docusaurus/lib/core/Head.js
2017-12-12 12:47:52 -08:00

108 lines
3.4 KiB
JavaScript

/**
* Copyright (c) 2017-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const React = require('react');
// html head for each page
class Head extends React.Component {
render() {
const links = this.props.config.headerLinks;
let hasBlog = false;
links.map(link => {
if (link.blog) hasBlog = true;
});
const highlightDefaultVersion = '9.12.0';
const highlightConfig = this.props.config.highlight || {
version: highlightDefaultVersion,
theme: 'default',
};
const highlightVersion = highlightConfig.version || highlightDefaultVersion;
const highlightTheme = highlightConfig.theme || 'default';
return (
<head>
<meta charSet="utf-8" />
<meta httpEquiv="X-UA-Compatible" content="IE=edge, chrome=1" />
<title>{this.props.title}</title>
<meta name="viewport" content="width=device-width" />
<meta name="generator" content="Docusaurus" />
<meta property="og:title" content={this.props.title} />
<meta property="og:type" content="website" />
<meta property="og:url" content={this.props.url} />
<meta property="og:description" content={this.props.description} />
{this.props.config.noIndex && <meta name="robots" content="noindex" />}
{this.props.config.ogImage && (
<meta
property="og:image"
content={this.props.config.baseUrl + this.props.config.ogImage}
/>
)}
{this.props.redirect && (
<meta
http-equiv="refresh"
content={'0; URL=' + this.props.redirect}
/>
)}
<link
rel="shortcut icon"
href={this.props.config.baseUrl + this.props.config.favicon}
/>
{this.props.config.algolia && (
<link
rel="stylesheet"
href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"
/>
)}
<link
rel="stylesheet"
href={`//cdnjs.cloudflare.com/ajax/libs/highlight.js/${highlightVersion}/styles/${highlightTheme}.min.css`}
/>
{hasBlog && (
<link
rel="alternate"
type="application/atom+xml"
href={this.props.config.url + '/blog/atom.xml'}
title={this.props.config.title + ' Blog ATOM Feed'}
/>
)}
{hasBlog && (
<link
rel="alternate"
type="application/rss+xml"
href={this.props.config.url + '/blog/feed.xml'}
title={this.props.config.title + ' Blog RSS Feed'}
/>
)}
{/* External resources */}
{this.props.config.stylesheets &&
this.props.config.stylesheets.map(function(source) {
return <link rel="stylesheet" href={source} />;
})}
{this.props.config.scripts &&
this.props.config.scripts.map(function(source, idx) {
return (
<script
type="text/javascript"
key={'script' + idx}
src={source}
/>
);
})}
{/* Site defined code. Keep these at the end to avoid overriding. */}
<link
rel="stylesheet"
href={this.props.config.baseUrl + 'css/main.css'}
/>
</head>
);
}
}
module.exports = Head;