rsnext/examples/with-emotion-vanilla/pages/_document.js

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import Document, { Html, Head, Main, NextScript } from 'next/document'
import * as React from 'react'
import { renderStatic } from '../shared/renderer'
export default class AppDocument extends Document {
static async getInitialProps(ctx) {
const page = await ctx.renderPage()
const { css, ids } = await renderStatic(page.html)
const initialProps = await Document.getInitialProps(ctx)
return {
...initialProps,
styles: (
<React.Fragment>
{initialProps.styles}
<style
data-emotion={`css ${ids.join(' ')}`}
dangerouslySetInnerHTML={{ __html: css }}
/>
</React.Fragment>
),
}
}
render() {
return (
<Html>
<Head />
<body>
<Main />
<NextScript />
</body>
</Html>
)
}
}