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import { Meta } from '@storybook/addon-docs/blocks';

<Meta title="Concepts/Developer/Server-Side Rendering/Next.js pages setup" />

Next.js pages router

For basic instructions on getting Next.js set up, see Getting Started.

  1. Get a basic next.js setup running, rendering a page from the pages folder, as guided by the tutorial.
  2. Add the Fluent UI dependencies: @fluentui/react-components.
shell
# Using Yarn
yarn add @fluentui/react-components

# Using NPM
npm install @fluentui/react-components

Setting up Fluent UI

  1. Create a _document.tsx file under your pages folder with the following content:
tsx
import { createDOMRenderer, renderToStyleElements } from '@fluentui/react-components';
import Document, { Html, Head, Main, NextScript, DocumentContext } from 'next/document';

class MyDocument extends Document {
  static async getInitialProps(ctx: DocumentContext) {
    // 👇 creates a renderer that will be used for SSR
    const renderer = createDOMRenderer();
    const originalRenderPage = ctx.renderPage;

    ctx.renderPage = () =>
      originalRenderPage({
        enhanceApp: App =>
          function EnhancedApp(props) {
            const enhancedProps = {
              ...props,
              // 👇 this is required to provide a proper renderer instance
              renderer,
            };

            return <App {...enhancedProps} />;
          },
      });

    const initialProps = await Document.getInitialProps(ctx);
    const styles = renderToStyleElements(renderer);

    return {
      ...initialProps,
      styles: (
        <>
          {initialProps.styles}
          {styles}
        </>
      ),
    };
  }

  render() {
    return (
      <Html>
        <Head />
        <body>
          <Main />
          <NextScript />
        </body>
      </Html>
    );
  }
}

export default MyDocument;
  1. Create or modify a _app.tsx file under your pages folder with the following content:
tsx
import {
  createDOMRenderer,
  FluentProvider,
  GriffelRenderer,
  SSRProvider,
  RendererProvider,
  webLightTheme,
} from '@fluentui/react-components';
import type { AppProps } from 'next/app';

type EnhancedAppProps = AppProps & { renderer?: GriffelRenderer };

function MyApp({ Component, pageProps, renderer }: EnhancedAppProps) {
  return (
    // 👇 Accepts a renderer from <Document /> or creates a default one
    //    Also triggers rehydration a client
    <RendererProvider renderer={renderer || createDOMRenderer()}>
      <SSRProvider>
        <FluentProvider theme={webLightTheme}>
          <Component {...pageProps} />
        </FluentProvider>
      </SSRProvider>
    </RendererProvider>
  );
}

export default MyApp;
  1. You should now be able to server render Fluent UI React components in any of your pages:
tsx
import { Button, makeStyles, shorthands, Title1, tokens } from '@fluentui/react-components';
import type { NextPage } from 'next';
import Head from 'next/head';

const useStyles = makeStyles({
  container: {
    display: 'flex',
    flexDirection: 'column',
    width: '200px',

    ...shorthands.border('2px', 'dashed', tokens.colorPaletteBerryBorder2),
    ...shorthands.borderRadius(tokens.borderRadiusMedium),
    ...shorthands.gap('5px'),
    ...shorthands.padding('10px'),
  },
});

const Home: NextPage = () => {
  const styles = useStyles();

  return (
    <>
      <Head>
        <title>My app</title>
      </Head>

      <div className={styles.container}>
        <Title1>Hello world!</Title1>
        <Button>A button</Button>
      </div>
    </>
  );
};

export default Home;