Merge branch 'dev' of https://github.com/jerryc127/hexo-theme-butterfly into dev

layout/includes/head/structured_data.pug

@@ -1,6 +1,7 @@
-if theme.structured_data && page.layout === 'post'
+if theme.structured_data
+  if page.layout === 'post'
     -
-    // use json-ld to add structured data
+      // https://developers.google.com/search/docs/appearance/structured-data/article
 
       const title = page.title
       const url = page.permalink
@@ -9,7 +10,7 @@ if theme.structured_data && page.layout === 'post'
       const datePublished = page.date.toISOString()
       const dateModified = (page.updated || page.date).toISOString()
       const author = page.copyright_author || config.author
-    const authorHrefVal = page.copyright_author_href || theme.post_copyright.author_href || site.url
+      const authorHrefVal = page.copyright_author_href || theme.post_copyright.author_href || config.url
       const authorHref = full_url_for(authorHrefVal)
 
       const jsonLd = {
@@ -30,5 +31,25 @@ if theme.structured_data && page.layout === 'post'
       jsonLdScript = JSON.stringify(jsonLd, null, 2)
     -
 
+  else if is_home() && (!page.current || page.current === 1)
+    -
+      // https://developers.google.com/search/docs/appearance/site-names#website
+
+      const baseUrl = config.url;
+      const currentPath = url_for('/');
+      const isRootOrSubdomain = currentPath.split('/').filter(Boolean).length === 0;
+
+      if (isRootOrSubdomain) {
+        const jsonLd = {
+          "@context": "https://schema.org",
+          "@type": "WebSite",
+          "name": config.title,
+          "url": full_url_for('/'),
+        }
+
+        jsonLdScript = JSON.stringify(jsonLd, null, 2)
+      }
+    -
+
   script(type="application/ld+json").
     !{jsonLdScript}