import Document, { Head, Main, NextScript } from 'next/document' import { renderToSheetList } from 'fela-dom' import FelaProvider from '../FelaProvider' import getFelaRenderer from '../getFelaRenderer' export default class MyDocument extends Document { static getInitialProps ({ renderPage }) { const serverRenderer = getFelaRenderer() const page = renderPage(App => props => ( )) const sheetList = renderToSheetList(serverRenderer) return { ...page, sheetList } } render () { const styleNodes = this.props.sheetList.map( ({ type, rehydration, support, media, css }) => (