2 files changed, 27 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index 98bfe72fef..cfb9cf5e6e 100644
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -190,6 +190,7 @@ module ActionController
       Redirecting,
       Rendering,
       Renderers::All,
+      Serialization,
       ConditionalGet,
       RackDelegation,
       SessionManagement,
diff --git a/actionpack/lib/action_controller/metal/serialization.rb b/actionpack/lib/action_controller/metal/serialization.rb
new file mode 100644
index 0000000000..9bb665a9ae
--- /dev/null
+++ b/actionpack/lib/action_controller/metal/serialization.rb
@@ -0,0 +1,26 @@
+module ActionController
+  module Serialization
+    extend ActiveSupport::Concern
+
+    include ActionController::Renderers
+
+    included do
+      class_attribute :_serialization_scope
+    end
+
+    def serialization_scope
+      send(_serialization_scope)
+    end
+
+    def _render_option_json(json, options)
+      json = json.active_model_serializer.new(json, serialization_scope) if json.respond_to?(:active_model_serializer)
+      super
+    end
+
+    module ClassMethods
+      def serialization_scope(scope)
+        self._serialization_scope = scope
+      end
+    end
+  end
+end