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100644
124 lines (114 sloc)
4.05 KB
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import React from 'react';
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import Document, { Head, Main, NextScript } from 'next/document';
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// You can find a benchmark of the available CSS minifiers under
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// https://github.com/GoalSmashers/css-minification-benchmark
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// We have found that clean-css is faster than cssnano but the output is larger.
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// Waiting for https://github.com/cssinjs/jss/issues/279
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// 4% slower but 12% smaller output than doing it in a single step.
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let prefixer;
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let cleanCSS;
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if (process.env.NODE_ENV === 'production') {
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const postcss = require('postcss');
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const autoprefixer = require('autoprefixer');
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const CleanCSS = require('clean-css');
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prefixer = postcss([autoprefixer]);
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cleanCSS = new CleanCSS();
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}
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const GOOGLE_ID = process.env.NODE_ENV === 'production' ? 'UA-106598593-2' : 'UA-106598593-3';
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class MyDocument extends Document {
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render() {
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return (
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<html lang="en" dir="ltr">
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<Head>
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{/* Use minimum-scale=1 to enable GPU rasterization */}
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<meta
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name="viewport"
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/>
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{/*
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manifest.json provides metadata used when your web app is added to the
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homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
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*/}
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<link rel="manifest" href="/static/manifest.json" />
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{/* PWA primary color */}
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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"
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/>
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{/*
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Preconnect allows the browser to setup early connections before an HTTP request
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is actually sent to the server.
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This includes DNS lookups, TLS negotiations, TCP handshakes.
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*/}
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</Head>
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<body>
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<Main />
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<script
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// eslint-disable-next-line react/no-danger
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dangerouslySetInnerHTML={{
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__html: `
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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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// Resolution order
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//
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// On the server:
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// 1. page.getInitialProps
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// 2. document.getInitialProps
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// 3. page.render
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// 4. document.render
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//
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// On the server with error:
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// 2. document.getInitialProps
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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. page.getInitialProps
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// 3. page.render
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// Get the context of the page to collected side effects.
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const pageContext = getPageContext();
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return {
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...page,
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styles: (
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<style
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id="jss-server-side"
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// eslint-disable-next-line react/no-danger
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/>
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),
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};
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};
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export default MyDocument;