Function Variables

packages/react-query/src/__tests__/useMutationState.test.tsx:194–203

()

    const mutationKey = ['mutation']

    function Variables() {
      variables.push(
        useMutationState({
          filters: { mutationKey, status: 'pending' },
          select: (mutation) => mutation.state.variables,
        }),
      )

      return null
    }

    function Mutate() {
      const { mutate, data } = useMutation({