Add the ability to render the date of the post

lib/build_data.rb

@@ -1,8 +1,14 @@
 class BuildData
   attr_reader :targets
+  attr_reader :current_page
 
-  def initialize(targets)
+  def initialize(targets, current_page = nil)
     @targets = targets
+    @current_page = current_page
+  end
+
+  def for_current_page(next_current_page)
+    self.class.new(targets, next_current_page)
   end
 
   def all

lib/html_target.rb

@@ -15,7 +15,7 @@ def hydrate
       MagicCommentHydrator.new(
         content: content,
         includables: Build.includables,
-        data: Build.data
+        data: Build.data.for_current_page(data)
       )
     self.class.new(content: hydrator.hydrate.content, path: path, data: data)
   end

lib/includable/post_footer.rb

@@ -1,11 +1,20 @@
 module Includable
   class PostFooter
+    attr_reader :data
+
     def initialize(string:, data:)
+      @data = data
     end
 
     def render
+      ERB.new(template).result_with_hash(date: data.current_page.fetch("date"))
+    end
+
+    def template
       <<~HTML
-        <a href="/">← Home</a>
+        <hr />
+        <p>Published: <%= date %></p>
+        <p><a href="/">← Home</a></p>
       HTML
     end
   end