Add a helper to format an article's timestamp.

src/main/blog/helpers.cljs

@@ -13,6 +13,20 @@
    (fn [timestamp]
      (format timestamp "HH:mm MMM. do, yyyy"))))
 
+(defn article-timestamp-factory
+  []
+  (clj->js
+   (fn [timestamp]
+     (str "<time pubdate=\""
+          (format timestamp "yyyy-MM-dd")
+          "\" datetime=\""
+          (format timestamp "yyyy-MM-dd")
+          "\" title=\""
+          (format timestamp "MMMM do, yyyy")
+          "\">"
+          (format timestamp "MMMM do, yyyy")
+          "</time>"))))
+
 (defn is-brief-factory
   []
   (clj->js

src/main/blog/server.cljs

@@ -20,6 +20,10 @@
                      "full-timestamp"
                      (helpers/full-timestamp-factory))
 
+    (.registerHelper (.-handlebars hbs)
+                     "article-timestamp"
+                     (helpers/article-timestamp-factory))
+
     (.registerHelper (.-handlebars hbs)
                      "truncatestring"
                      (helpers/truncatestring-factory))