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_document.js
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_document.js
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// @flow weak
import React from 'react';
import Document, { Head, Main, NextScript } from 'next/document';
import { JssProvider } from 'react-jss';
import getContext from '../styles/getContext';
class MyDocument extends Document {
render() {
return (
<html lang="en" dir="ltr">
<Head>
<title>Contentful Graph</title>
<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={this.props.stylesContext.theme.palette.primary[500]} />
<link
rel="stylesheet"
href="https://fonts.googleapis.com/css?family=Roboto:300,400,500"
/>
<link rel="stylesheet" href="/dist/index.min.css" />
</Head>
<body>
<Main />
<NextScript />
</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
// Get the context to collected side effects.
const context = getContext();
const page = ctx.renderPage(Component => props => (
<JssProvider registry={context.sheetsRegistry} jss={context.jss}>
<Component {...props} />
</JssProvider>
));
return {
...page,
stylesContext: context,
styles: (
<style
id="jss-server-side"
// eslint-disable-next-line react/no-danger
dangerouslySetInnerHTML={{ __html: context.sheetsRegistry.toString() }}
/>
),
};
};
export default MyDocument;