The default export is not a React Component in page: "/filing" code example
Example 1: export default react
import React from 'react'; // get the React object from the react module
class HelloWorld extends React.Component {
render() {
return <p>Hello, world!</p>;
}
}
export default HelloWorld; // expose the HelloWorld component to other modules
Example 2: export default function react
export default () => (
<pre>Header</pre>
)