feat: 添加结构化数据支持

_config.yml

@@ -1023,6 +1023,13 @@ Open_Graph_meta:
     # fb_admins:
     # fb_app_id:
 
+# Structured Data
+# https://developers.google.com/search/docs/guides/intro-structured-data
+structured_data:
+  enable: true
+  # Choose: json-ld / microdata
+  format: 'json-ld'
+
 # Add the vendor prefixes to ensure compatibility
 css_prefix: true
 

layout/includes/head.pug

@@ -25,6 +25,9 @@ meta(name="theme-color" content=themeColor)
 //- Open_Graph
 include ./head/Open_Graph.pug
 
+//- Structured Data
+include ./head/structured_data.pug
+
 !=favicon_tag(theme.favicon || config.favicon)
 link(rel="canonical" href=urlNoIndex(null,config.pretty_urls.trailing_index,config.pretty_urls.trailing_html))
 

layout/includes/head/structured_data.pug

@@ -0,0 +1,58 @@
+if theme.structured_data.enable && page.layout === 'post'
+  -
+    const format = theme.structured_data.format || 'json-ld'
+
+    const title = page.title
+    const url = page.permalink
+    const imageVal = page.cover_type === 'img' ? page.cover : theme.avatar.img
+    const image = imageVal ? full_url_for(imageVal) : ''
+    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 authorHref = full_url_for(authorHrefVal);
+
+    if (format === 'json-ld') {
+      const jsonLd = {
+        "@context": "https://schema.org",
+        "@type": "BlogPosting",
+        "headline": title,
+        "url": url,
+        "image": image,
+        "datePublished": datePublished,
+        "dateModified": dateModified,
+        "author": [{
+          "@type": "Person",
+          "name": author,
+          "url": authorHref
+        }]
+      };
+
+      jsonLdScript = JSON.stringify(jsonLd, null, 2);
+    } else if (format === 'microdata') {
+      microdata = {
+        headline: title,
+        url: url,
+        image: image,
+        datePublished: datePublished,
+        dateModified: dateModified,
+        authorName: author,
+        authorUrl: authorHref
+      };
+    }
+  -
+
+  if (format === 'json-ld')
+    script(type="application/ld+json").
+      !{jsonLdScript}
+  else if (format === 'microdata')
+    div(itemscope itemtype="https://schema.org/BlogPosting")
+      meta(itemprop="headline" content=microdata.headline)
+      link(itemprop="url" href=microdata.url)
+      if microdata.image
+        img(itemprop="image" src=microdata.image alt=microdata.headline)
+      meta(itemprop="datePublished" content=microdata.datePublished)
+      meta(itemprop="dateModified" content=microdata.dateModified)
+      div(itemprop="author" itemscope itemtype="https://schema.org/Person")
+        meta(itemprop="name" content=microdata.authorName)
+        link(itemprop="url" href=microdata.authorUrl)

scripts/events/merge_config.js

@@ -567,6 +567,10 @@ hexo.extend.filter.register('before_generate', () => {
       enable: true,
       option: null
     },
+    structured_data: {
+      enable: true,
+      format: 'json-ld',
+    },
     css_prefix: true,
     inject: {
       head: null,