import React from 'react'; import Document, { Head, Main, NextScript } from 'next/document'; import { ServerStyleSheet } from 'styled-components'; class MyDocument extends Document { static getInitialProps({ renderPage }) { const sheet = new ServerStyleSheet(); const page = renderPage(App => props => sheet.collectStyles() ); const styleTags = sheet.getStyleElement(); return { ...page, styleTags }; } render() { return ( {this.props.styleTags}
); } } export default MyDocument;