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* Update example with emotion Emotion is now split into separate packages using Lerna. * Update Next.js in emotion example
38 lines
854 B
JavaScript
38 lines
854 B
JavaScript
import Document, { Head, Main, NextScript } from 'next/document'
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import { extractCritical } from 'emotion-server'
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import { flush } from 'emotion'
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const dev = process.env.NODE_ENV !== 'production'
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export default class MyDocument extends Document {
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static getInitialProps ({ renderPage }) {
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if (dev) { flush() }
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const page = renderPage()
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const styles = extractCritical(page.html)
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return { ...page, ...styles }
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}
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constructor (props) {
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super(props)
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const { __NEXT_DATA__, ids } = props
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if (ids) {
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__NEXT_DATA__.ids = ids
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}
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}
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render () {
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return (
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<html>
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<Head>
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<title>With Emotion</title>
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<style dangerouslySetInnerHTML={{ __html: this.props.css }} />
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</Head>
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<body>
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<Main />
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<NextScript />
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</body>
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</html>
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)
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}
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}
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