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// @flow
import React from 'react';
import Document, { Head, Main, NextScript } from 'next/document';
import { getContext, setContext } from 'docs/src/modules/styles/context';
import CleanCSS from 'clean-css';
const cleanCSS = new CleanCSS();
class MyDocument extends Document {
render() {
const context = getContext();
return (
<html lang="en" dir="ltr">
<Head>
<title>Material-UI</title>
<meta
name="description"
content="React Components that Implement Google's Material Design."
/>
<meta charSet="utf-8" />
{/* Use minimum-scale=1 to enable GPU rasterization */}
<meta
name="viewport"
content={
'user-scalable=0, initial-scale=1, ' +
'minimum-scale=1, width=device-width, height=device-height'
}
/>
{/*
manifest.json provides metadata used when your web app is added to the
homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
*/}
<link rel="manifest" href="/static/manifest.json" />
{/* PWA primary color */}
<meta name="theme-color" content={context.theme.palette.primary[500]} />
<link
rel="stylesheet"
href="https://fonts.googleapis.com/css?family=Roboto:300,400,500"
/>
<style id="insertion-point-jss" />
{/* Twitter */}
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:site" content="@MaterialUI" />
<meta name="twitter:title" content="Material-UI" />
<meta
name="twitter:description"
content="React Components that Implement Google's Material Design."
/>
<meta name="twitter:image" content="/static/icons/512x512.png" />
<link rel="shortcut icon" href="/static/favicon.ico" />
</Head>
<body>
<Main />
<NextScript />
<script src="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.js" async defer />
</body>
</html>
);
}
}
MyDocument.getInitialProps = ctx => {
// Resolution order
//
// On the server:
// 1. page.getInitialProps
// 2. document.getInitialProps
// 3. page.render
// 4. document.render
//
// On the server with error:
// 2. document.getInitialProps
// 3. page.render
// 4. document.render
//
// On the client
// 1. page.getInitialProps
// 3. page.render
// Reset the context for handling a new request.
setContext();
const page = ctx.renderPage();
// Get the context with the collected side effects.
const context = getContext();
let css = context.sheetsRegistry.toString();
if (process.env.NODE_ENV === 'production') {
css = cleanCSS.minify(css).styles;
}
return {
...page,
styles: (
<style
id="jss-server-side"
// eslint-disable-next-line react/no-danger
dangerouslySetInnerHTML={{ __html: css }}
/>
),
};
};
export default MyDocument;