Themed prefetching

app/controllers/application_controller.rb

@@ -13,6 +13,7 @@ class ApplicationController < ActionController::Base
   helper_method :current_account
   helper_method :current_session
   helper_method :current_theme
+  helper_method :theme_data
   helper_method :single_user_mode?
 
   rescue_from ActionController::RoutingError, with: :not_found
@@ -88,6 +89,10 @@ class ApplicationController < ActionController::Base
     current_user.setting_theme
   end
 
+  def theme_data
+    Themes.instance.get(current_theme)
+  end
+
   def cache_collection(raw, klass)
     return raw unless klass.respond_to?(:with_includes)