import React from 'react';
import PropTypes from 'prop-types';
import { Helmet } from 'react-helmet';
import { useLocation } from '@reach/router';
import { useStaticQuery, graphql } from 'gatsby';
// https://www.gatsbyjs.com/docs/add-seo-component/
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 (
);
};
export default Head;
Head.propTypes = {
title: PropTypes.string,
description: PropTypes.string,
image: PropTypes.string,
};
Head.defaultProps = {
title: null,
description: null,
image: null,
};