text: import React from "react";
  import Helmet from "react-helmet";
  import SiteConfig from "../../SiteConfig";
  
  class Seo extends React.Component {
    render() {
      const schemaOrgJSONLD = [
          {
              "@context": "http://schema.org",
              "@type": "WebSite",
              url: SiteConfig.siteUrl,
              name: SiteConfig.siteTitle,
              alternateName: ""
          },
          {
              "@context": "http://schema.org",
              "@type": "Person",
              "name": "Callum Evans",
              "url": "https://callums.blog",
              "sameAs": [
                  "https://www.facebook.com/callumevans.1992",
                  "https://www.linkedin.com/in/callum-evans/",
                  "https://github.com/callumevans",
                  "https://twitter.com/callum_evans"
              ]
          }
      ];
  
      return (
        <Helmet>
          { /* Schema.org */ }
          <script type="application/ld+json">
            {JSON.stringify(schemaOrgJSONLD)}
          </script>
  
          <meta name="description" content={SiteConfig.siteDescription} />
          <meta name="keywords" content={SiteConfig.siteKeywords} />
          <meta name="author" content="Callum Evans" />
  
          { /* OpenGraph */ }
          <meta name="og:url" content={SiteConfig.siteUrl} />
          <meta name="og:site_name" content={SiteConfig.siteTitle} />
          <meta name="og:type" content="article" />
          <meta name="og:title" content={SiteConfig.siteTitle} />
          <meta name="og:description" content={SiteConfig.siteDescription} />
  
          { /* Twitter Cards */ }
          <meta name="twitter:card" content="summary_large_image" />
          <meta name="twitter:title" content={SiteConfig.siteTitle} />
          <meta name="twitter:description" content={SiteConfig.siteDescription} />
          <meta name="twitter:account_id" content={SiteConfig.twitterAccountId} />
          <meta name="twitter:creator" content={SiteConfig.twitterCreator} />
          <meta name="twitter:site" content={SiteConfig.twitterCreator} />
        </Helmet>
      )
    }
  }
  
  export default Seo;
  