lib/generators/serializer/templates/serializer.rb



<% module_namespacing do -%>
class <%= class_name %>Serializer < <%= parent_class_name %>
  attributes <%= attributes_names.map(&:inspect).join(", ") %>
<% association_names.each do |attribute| -%>
  has_one :<%= attribute %>
<% end -%>
<% if generate_id_method %>

  # due to the difference between 1.8 and 1.9 with respect to #id and
  # #object_id, we recommend that if you wish to serialize id columns, you
  # do this. Feel free to remove this if you don't feel that it's appropriate.
  #
  # For more: https://github.com/rails-api/active_model_serializers/issues/127
  def id
    object.read_attribute_for_serialization(:id)
  end
<% end -%>
end
<% end -%>