/**
* SEO component that queries for data with
* Gatsby's useStaticQuery React hook
*
* See: https://www.gatsbyjs.org/docs/use-static-query/
*/
import React from 'react'
import PropTypes from 'prop-types'
import Helmet from 'react-helmet'
import { useStaticQuery, graphql } from 'gatsby'
function SEO ({ description, lang, meta, title }) {
const { site } = useStaticQuery(
graphql`
query {
site {
siteMetadata {
title
description
author
}
}
}
`
)
const metaDescription = description || site.siteMetadata.description
return (
)
}
SEO.defaultProps = {
lang: 'en',
meta: [],
description: ''
}
SEO.propTypes = {
description: PropTypes.string,
lang: PropTypes.string,
meta: PropTypes.arrayOf(PropTypes.object),
title: PropTypes.string.isRequired
}
export default SEO