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| import * as React from "react"; | |
| import Document, { | |
| DocumentContext, | |
| DocumentProps, | |
| Head, | |
| Html, | |
| Main, | |
| NextScript, | |
| } from "next/document"; | |
| import createEmotionServer from "@emotion/server/create-instance"; | |
| import { AppType } from "next/app"; | |
| import { poppins } from "@/lib/theme"; | |
| import createEmotionCache from "@/lib/createEmotionCache"; | |
| import { MyAppProps } from "./_app"; | |
| import { getInitColorSchemeScript } from "@mui/material/styles"; | |
| interface MyDocumentProps extends DocumentProps { | |
| emotionStyleTags: JSX.Element[]; | |
| } | |
| export default function MyDocument({ emotionStyleTags }: MyDocumentProps) { | |
| return ( | |
| <Html lang="en" className={poppins.className}> | |
| <Head> | |
| <link rel="shortcut icon" href="/favicon.ico" /> | |
| <meta name="emotion-insertion-point" content="" /> | |
| {emotionStyleTags} | |
| </Head> | |
| <body> | |
| {getInitColorSchemeScript()} | |
| <Main /> | |
| <NextScript /> | |
| </body> | |
| </Html> | |
| ); | |
| } | |
| // `getInitialProps` belongs to `_document` (instead of `_app`), | |
| // it's compatible with static-site generation (SSG). | |
| MyDocument.getInitialProps = async (ctx: DocumentContext) => { | |
| // Resolution order | |
| // | |
| // On the server: | |
| // 1. app.getInitialProps | |
| // 2. page.getInitialProps | |
| // 3. document.getInitialProps | |
| // 4. app.render | |
| // 5. page.render | |
| // 6. document.render | |
| // | |
| // On the server with error: | |
| // 1. document.getInitialProps | |
| // 2. app.render | |
| // 3. page.render | |
| // 4. document.render | |
| // | |
| // On the client | |
| // 1. app.getInitialProps | |
| // 2. page.getInitialProps | |
| // 3. app.render | |
| // 4. page.render | |
| const originalRenderPage = ctx.renderPage; | |
| // You can consider sharing the same Emotion cache between all the SSR requests to speed up performance. | |
| // However, be aware that it can have global side effects. | |
| const cache = createEmotionCache(); | |
| const { extractCriticalToChunks } = createEmotionServer(cache); | |
| ctx.renderPage = () => | |
| originalRenderPage({ | |
| enhanceApp: (App: React.ComponentType<React.ComponentProps<AppType> & MyAppProps>) => | |
| function EnhanceApp(props) { | |
| return <App emotionCache={cache} {...props} />; | |
| }, | |
| }); | |
| const initialProps = await Document.getInitialProps(ctx); | |
| // This is important. It prevents Emotion to render invalid HTML. | |
| // See https://github.com/mui/material-ui/issues/26561#issuecomment-855286153 | |
| const emotionStyles = extractCriticalToChunks(initialProps.html); | |
| const emotionStyleTags = emotionStyles.styles.map(style => ( | |
| <style | |
| data-emotion={`${style.key} ${style.ids.join(" ")}`} | |
| key={style.key} | |
| // eslint-disable-next-line react/no-danger | |
| dangerouslySetInnerHTML={{ __html: style.css }} | |
| /> | |
| )); | |
| return { | |
| ...initialProps, | |
| emotionStyleTags, | |
| }; | |
| }; | |