title: async function or async => when exporting default?
body: <pre><code>export default async function () {
  
  };
  </code></pre>
  
  <p>or</p>
  
  <pre><code>export default async () =&gt; {
  
  };
  </code></pre>
  
  <p>Which one is preferred when exporting a default function and why?</p>