mirror of
https://github.com/facebook/docusaurus.git
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c8bc00a3a7
* Enable user to use prism.js as syntax highlighter * add package-lock * if 'usePrism' is true, use prismjs on all languages * don't get lang by hljs if use prism * Update api-site-config.md * Update api-doc-markdown.md * only load prism css when usePrism is true
194 lines
6.1 KiB
JavaScript
194 lines
6.1 KiB
JavaScript
/**
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* Copyright (c) 2017-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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const React = require('react');
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// html head for each page
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class Head extends React.Component {
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render() {
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const links = this.props.config.headerLinks;
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let hasBlog = false;
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links.map(link => {
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if (link.blog) hasBlog = true;
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});
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let highlight = {
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version: '9.12.0',
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theme: 'default',
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...this.props.config.highlight,
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};
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// Use user-provided themeUrl if it exists, else construct one from version and theme.
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let highlightThemeURL = highlight.themeUrl
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? highlight.themeUrl
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: `//cdnjs.cloudflare.com/ajax/libs/highlight.js/${
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highlight.version
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}/styles/${highlight.theme}.min.css`;
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return (
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<head>
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<meta charSet="utf-8" />
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<meta httpEquiv="X-UA-Compatible" content="IE=edge" />
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<title>{this.props.title}</title>
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<meta name="viewport" content="width=device-width" />
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<meta name="generator" content="Docusaurus" />
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<meta property="og:title" content={this.props.title} />
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<meta property="og:type" content="website" />
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<meta property="og:url" content={this.props.url} />
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<meta property="og:description" content={this.props.description} />
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{this.props.config.ogImage && (
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<meta
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property="og:image"
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content={
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this.props.config.url +
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this.props.config.baseUrl +
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this.props.config.ogImage
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}
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/>
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)}
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<meta name="twitter:card" content="summary" />
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{this.props.config.twitterImage && (
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<meta
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name="twitter:image"
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content={
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this.props.config.url +
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this.props.config.baseUrl +
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this.props.config.twitterImage
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}
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/>
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)}
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{this.props.config.noIndex && <meta name="robots" content="noindex" />}
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{this.props.redirect && (
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<meta httpEquiv="refresh" content={'0; URL=' + this.props.redirect} />
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)}
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<link
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rel="shortcut icon"
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href={this.props.config.baseUrl + this.props.config.favicon}
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/>
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{this.props.config.algolia && (
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<link
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rel="stylesheet"
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href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"
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/>
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)}
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<link rel="stylesheet" href={highlightThemeURL} />
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{hasBlog && (
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<link
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rel="alternate"
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type="application/atom+xml"
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href={this.props.config.url + '/blog/atom.xml'}
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title={this.props.config.title + ' Blog ATOM Feed'}
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/>
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)}
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{hasBlog && (
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<link
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rel="alternate"
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type="application/rss+xml"
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href={this.props.config.url + '/blog/feed.xml'}
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title={this.props.config.title + ' Blog RSS Feed'}
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/>
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)}
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{this.props.config.gaTrackingId &&
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this.props.config.gaGtag && (
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<script
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async
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src={`https://www.googletagmanager.com/gtag/js?id=${
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this.props.config.gaTrackingId
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}`}
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/>
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)}
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{this.props.config.gaTrackingId &&
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this.props.config.gaGtag && (
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<script
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dangerouslySetInnerHTML={{
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__html: `
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window.dataLayer = window.dataLayer || [];
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function gtag(){dataLayer.push(arguments); }
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gtag('js', new Date());
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gtag('config', '${this.props.config.gaTrackingId}');
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`,
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}}
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/>
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)}
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{this.props.config.gaTrackingId &&
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!this.props.config.gaGtag && (
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<script
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dangerouslySetInnerHTML={{
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__html: `
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(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
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})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
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ga('create', '${this.props.config.gaTrackingId}', 'auto');
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ga('send', 'pageview');
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`,
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}}
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/>
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)}
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{/* External resources */}
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{this.props.config.stylesheets &&
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this.props.config.stylesheets.map(function(source, idx) {
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return (
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<link rel="stylesheet" key={'stylesheet' + idx} href={source} />
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);
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})}
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{this.props.config.scripts &&
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this.props.config.scripts.map(function(source, idx) {
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return (
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<script
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type="text/javascript"
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key={'script' + idx}
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src={source}
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/>
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);
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})}
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{this.props.config.scrollToTop && (
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<script
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src={
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'https://unpkg.com/vanilla-back-to-top@7.1.14/dist/vanilla-back-to-top.min.js'
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}
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/>
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)}
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{this.props.config.scrollToTop && (
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<script
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dangerouslySetInnerHTML={{
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__html: `
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document.addEventListener("DOMContentLoaded", function(){
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addBackToTop(
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${JSON.stringify(
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Object.assign(
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{},
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{zIndex: 100},
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this.props.config.scrollToTopOptions
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)
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)}
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)
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});
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`,
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}}
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/>
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)}
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{this.props.config.usePrism && (
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<link
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rel="stylesheet"
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href={this.props.config.baseUrl + 'css/prism.css'}
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/>
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)}
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{/* Site defined code. Keep these at the end to avoid overriding. */}
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<link
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rel="stylesheet"
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href={this.props.config.baseUrl + 'css/main.css'}
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/>
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</head>
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);
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}
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}
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module.exports = Head;
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