Viewing github.com/facebook/react/fixtures/ssr2/src/App.js

```
/**
```

 * Copyright (c) Meta Platforms, Inc. and affiliates.

```
 *
```

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

```
 *
```
```
 */
```
```
import {Suspense, lazy} from 'react';
```

import {ErrorBoundary} from 'react-error-boundary';

```
import Html from './Html';
```
```
import Spinner from './Spinner';
```
```
import Layout from './Layout';
```
```
import NavBar from './NavBar';
```

const Comments = lazy(() => import('./Comments' /* webpackPrefetch: true */));

const Sidebar = lazy(() => import('./Sidebar' /* webpackPrefetch: true */));

const Post = lazy(() => import('./Post' /* webpackPrefetch: true */));

export default function App({assets}) {

```
  return (
```

    <Html assets={assets} title="Hello">

      <Suspense fallback={<Spinner />}>

        <ErrorBoundary FallbackComponent={Error}>

```
          <Content />
```
```
        </ErrorBoundary>
```
```
      </Suspense>
```
```
    </Html>
```
```
  );
```
```
}
```
```
function Content() {
```
```
  return (
```
```
    <Layout>
```
```
      <NavBar />
```
```
      <aside className="sidebar">
```

        <Suspense fallback={<Spinner />}>

```
          <Sidebar />
```
```
        </Suspense>
```
```
      </aside>
```
```
      <article className="post">
```

        <Suspense fallback={<Spinner />}>

```
          <Post />
```
```
        </Suspense>
```
```
        <section className="comments">
```
```
          <h2>Comments</h2>
```

          <Suspense fallback={<Spinner />}>

```
            <Comments />
```
```
          </Suspense>
```
```
        </section>
```
```
        <h2>Thanks for reading!</h2>
```
```
      </article>
```
```
    </Layout>
```
```
  );
```
```
}
```
```
function Error({error}) {
```
```
  return (
```
```
    <div>
```
```
      <h1>Application Error</h1>
```

      <pre style={{whiteSpace: 'pre-wrap'}}>{error.stack}</pre>

```
    </div>
```
```
  );
```
```
}
```

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