support lastmod

layouts/_default/single.html

@@ -3,7 +3,25 @@
 <article>
   <header>
     <h1>{{ .Title }}</h1>
-    {{ if .Date }}<time datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format "January 02, 2006" }}</time>{{ end }}
+    <!-- Created Date -->
+    {{- $pubdate := .PublishDate.Format "January 02, 2006" }}
+    Created: 
+    <time datetime="{{ .PublishDate }}" title="{{ .PublishDate }}">
+      {{ $pubdate }}
+    </time>
+
+    <!-- Last Updated Date -->
+    {{- if .Lastmod }}
+    {{- $lastmod := .Lastmod.Format "January 02, 2006" }}
+    {{- if ne $lastmod $pubdate }}
+    <div class="post-info-last-mod">
+      (Updated: 
+      <time datetime="{{ .Lastmod }}" title="{{ .Lastmod }}">
+        {{ $lastmod }}
+      </time>)
+    </div>
+    {{- end }}
+    {{- end }}
   </header>
   {{ .Content }}
 </article>