/**
* 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() {
let links = this.props.config.headerLinks;
let hasBlog = false;
links.map(link => {
if (link.blog) hasBlog = true;
});
let sourceCodeButton = this.props.config.sourceCodeButton;
// defaults to github, but other values may be allowed in the future
let includeGithubButton =
sourceCodeButton === "github" || sourceCodeButton == null;
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={this.props.config.baseUrl + "css/main.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"}
/>
)}
{includeGithubButton && (
<script async defer src="https://buttons.github.io/buttons.js" />
)}
<script
type="text/javascript"
src={this.props.config.baseUrl + "js/webplayer.js"}
/>
<script type="text/javascript" src="https://snack.expo.io/embed.js" />
</head>
);
}
}
module.exports = Head;