|
|
import React from 'react'; |
|
|
import PropTypes from 'prop-types'; |
|
|
import { Helmet } from 'react-helmet'; |
|
|
import { useLocation } from '@reach/router'; |
|
|
import { useStaticQuery, graphql } from 'gatsby'; |
|
|
|
|
|
|
|
|
|
|
|
const Head = ({ title, description, image }) => { |
|
|
const { pathname } = useLocation(); |
|
|
|
|
|
const { site } = useStaticQuery( |
|
|
graphql` |
|
|
query { |
|
|
site { |
|
|
siteMetadata { |
|
|
defaultTitle: title |
|
|
defaultDescription: description |
|
|
siteUrl |
|
|
defaultImage: image |
|
|
twitterUsername |
|
|
} |
|
|
} |
|
|
} |
|
|
`, |
|
|
); |
|
|
|
|
|
const { |
|
|
defaultTitle, |
|
|
defaultDescription, |
|
|
siteUrl, |
|
|
defaultImage, |
|
|
twitterUsername, |
|
|
} = site.siteMetadata; |
|
|
|
|
|
const seo = { |
|
|
title: title || defaultTitle, |
|
|
description: description || defaultDescription, |
|
|
image: `${siteUrl}${image || defaultImage}`, |
|
|
url: `${siteUrl}${pathname}`, |
|
|
}; |
|
|
|
|
|
return ( |
|
|
<Helmet title={title} defaultTitle={seo.title} titleTemplate={`%s | ${defaultTitle}`}> |
|
|
<html lang="en" /> |
|
|
|
|
|
<meta name="description" content={seo.description} /> |
|
|
<meta name="image" content={seo.image} /> |
|
|
|
|
|
<meta property="og:title" content={seo.title} /> |
|
|
<meta property="og:description" content={seo.description} /> |
|
|
<meta property="og:image" content={seo.image} /> |
|
|
<meta property="og:url" content={seo.url} /> |
|
|
<meta property="og:type" content="website" /> |
|
|
|
|
|
<meta name="twitter:card" content="summary_large_image" /> |
|
|
<meta name="twitter:creator" content={twitterUsername} /> |
|
|
<meta name="twitter:title" content={seo.title} /> |
|
|
<meta name="twitter:description" content={seo.description} /> |
|
|
<meta name="twitter:image" content={seo.image} /> |
|
|
|
|
|
<meta name="google-site-verification" content="DCl7VAf9tcz6eD9gb67NfkNnJ1PKRNcg8qQiwpbx9Lk" /> |
|
|
</Helmet> |
|
|
); |
|
|
}; |
|
|
|
|
|
export default Head; |
|
|
|
|
|
Head.propTypes = { |
|
|
title: PropTypes.string, |
|
|
description: PropTypes.string, |
|
|
image: PropTypes.string, |
|
|
}; |
|
|
|
|
|
Head.defaultProps = { |
|
|
title: null, |
|
|
description: null, |
|
|
image: null, |
|
|
}; |
|
|
|
