64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
import React from 'react';
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import Document, {
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Html,
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Main,
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NextScript,
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DocumentContext,
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Head,
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} from 'next/document';
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import { ServerStyleSheets } from '@material-ui/styles';
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export default class MyDocument extends Document {
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static async getInitialProps(ctx: DocumentContext) {
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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: [
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...React.Children.toArray(initialProps.styles),
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sheets.getStyleElement(),
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],
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};
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}
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render() {
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return (
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// TODO: remove lang prop when next.js fixes this issue - https://github.com/vercel/next.js/issues/22329
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<Html lang="pl">
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<Head>
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<script
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async
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src={`https://www.googletagmanager.com/gtag/js?id=${process.env.GA_TRACKING_ID}`}
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/>
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<script
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dangerouslySetInnerHTML={{
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__html: `
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window.dataLayer = window.dataLayer || [];
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function gtag(){dataLayer.push(arguments);}
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gtag('js', new Date());
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gtag('config', '${process.env.GA_TRACKING_ID}', {
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page_path: window.location.pathname,
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});
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`,
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}}
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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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