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72 lines
1.9 KiB
JavaScript
72 lines
1.9 KiB
JavaScript
/* eslint-disable react/jsx-filename-extension */
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import React from 'react';
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import Document, {
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Html, Head, Main, NextScript,
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} from 'next/document';
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import { ServerStyleSheets } from '@material-ui/styles';
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import theme from '../src/theme';
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export default class MyDocument extends Document {
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render() {
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return (
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<Html lang="en">
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<Head>
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{/* PWA primary color */}
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<meta name="theme-color" content={theme.palette.primary.main} />
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<link
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rel="stylesheet"
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href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap"
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/>
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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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// `getInitialProps` belongs to `_document` (instead of `_app`),
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// it's compatible with server-side generation (SSG).
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MyDocument.getInitialProps = async (ctx) => {
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// Resolution order
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//
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// On the server:
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// 1. app.getInitialProps
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// 2. page.getInitialProps
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// 3. document.getInitialProps
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// 4. app.render
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// 5. page.render
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// 6. document.render
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//
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// On the server with error:
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// 1. document.getInitialProps
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// 2. app.render
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// 3. page.render
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// 4. document.render
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//
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// On the client
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// 1. app.getInitialProps
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// 2. page.getInitialProps
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// 3. app.render
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// 4. page.render
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// Render app and page and get the context of the page with collected side effects.
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const sheets = new ServerStyleSheets();
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const originalRenderPage = ctx.renderPage;
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ctx.renderPage = () =>
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originalRenderPage({
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enhanceApp: (App) => (props) => sheets.collect(<App {...props} />),
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});
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const initialProps = await Document.getInitialProps(ctx);
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return {
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...initialProps,
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// Styles fragment is rendered after the app and page rendering finish.
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styles: [...React.Children.toArray(initialProps.styles), sheets.getStyleElement()],
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};
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};
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