import Document, { Html, Head, Main, NextScript } from 'next/document'; import { ServerStyleSheet } from 'styled-components'; class MyDocument extends Document { static async getInitialProps(ctx) { const sheet = new ServerStyleSheet(); const originalRenderPage = ctx.renderPage; const initialProps = await Document.getInitialProps(ctx); try { ctx.renderPage = () => originalRenderPage({ enhanceApp: App => props => sheet.collectStyles(), }) const initialProps = await Document.getInitialProps(ctx) return { ...initialProps, styles: ( <> {initialProps.styles} {sheet.getStyleElement()} ), } } finally { sheet.seal() } return { ...initialProps }; } render() { return (
) } } export default MyDocument;