Tie page fetch directly to useAsync

hooks_with_async_page.js

import React, { useState } from 'react';
import { withAsync } from '@sullivan/use-async';

const PageFetch = ({ loading, data, error, dispatch }) => (
  <div>
    <button enabled={!loading} onClick={dispatch}>Request Page</button>
    <pre>{JSON.stringify({ loading, data, error })}</pre>
  </div>
);

export default withAsync(fetch, '')(PageFetch);