simplify webpack example

Author: IvanGoncharov

example/webpack-example/index.jsx

@@ -3,33 +3,26 @@ import * as ReactDOMClient from 'react-dom/client';
 
 import { Voyager } from 'graphql-voyager';
 
-class Test extends React.Component {
-  constructor() {
-    super();
-  }
-
-  render() {
-    return (
-      <Voyager
-        introspection={this.introspectionProvider}
-        displayOptions={{ skipRelay: false, showLeafFields: true }}
-      />
-    );
-  }
-
-  async introspectionProvider(query) {
-    const response = await fetch('https://swapi-graphql.netlify.app/.netlify/functions/index', {
+async function introspectionProvider(query) {
+  const response = await fetch(
+    'https://swapi-graphql.netlify.app/.netlify/functions/index',
+    {
       method: 'post',
       headers: {
         Accept: 'application/json',
         'Content-Type': 'application/json',
       },
       body: JSON.stringify({ query }),
       credentials: 'omit',
-    });
-    return response.json();
-  }
+    },
+  );
+  return response.json();
 }
 
 const reactRoot = ReactDOMClient.createRoot(document.getElementById('voyager'));
-reactRoot.render(<Test />);
+reactRoot.render(
+  <Voyager
+    introspection={introspectionProvider}
+    displayOptions={{ skipRelay: false, showLeafFields: true }}
+  />,
+);