/**
* 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;
});
let highlight = {
version: '9.12.0',
theme: 'default',
...this.props.config.highlight,
};
// Use user-provided themeUrl if it exists, else construct one from version and theme.
let highlightThemeURL = highlight.themeUrl
? highlight.themeUrl
: `//cdnjs.cloudflare.com/ajax/libs/highlight.js/${
highlight.version
}/styles/${highlight.theme}.min.css`;
return (
{this.props.title}
{this.props.config.ogImage && (
)}
{this.props.config.twitterImage && (
)}
{this.props.config.noIndex && }
{this.props.redirect && (
)}
{hasBlog && (
)}
{this.props.config.gaTrackingId &&
this.props.config.gaGtag && (
)}
{this.props.config.gaTrackingId &&
this.props.config.gaGtag && (
)}
{this.props.config.gaTrackingId &&
!this.props.config.gaGtag && (
)}
{/* External resources */}
{this.props.config.stylesheets &&
this.props.config.stylesheets.map(function(source, idx) {
return (
);
})}
{this.props.config.scripts &&
this.props.config.scripts.map(function(source, idx) {
return (
);
})}
{/* Site defined code. Keep these at the end to avoid overriding. */}
);
}
}
module.exports = Head;