module ActionView # NOTE: The template that this mixin is being included into is frozen # so you cannot set or modify any instance variables module RenderablePartial #:nodoc: extend ActiveSupport::Memoizable def variable_name name.sub(/\A_/, '').to_sym end memoize :variable_name def counter_name "#{variable_name}_counter".to_sym end memoize :counter_name def render(view, local_assigns = {}) if defined? ActionController ActionController::Base.benchmark("Rendered #{path_without_format_and_extension}", Logger::DEBUG, false) do super end else super end end def render_partial(view, object = nil, local_assigns = {}, as = nil) object ||= local_assigns[:object] || local_assigns[variable_name] if object.nil? && !local_assigns_key?(local_assigns) && view.respond_to?(:controller) ivar = :"@#{variable_name}" object = if view.controller.instance_variable_defined?(ivar) ActiveSupport::Deprecation::DeprecatedObjectProxy.new( view.controller.instance_variable_get(ivar), "#{ivar} will no longer be implicitly assigned to #{variable_name}") end end # Ensure correct object is reassigned to other accessors local_assigns[:object] = local_assigns[variable_name] = object local_assigns[as] = object if as render_template(view, local_assigns) end private def local_assigns_key?(local_assigns) local_assigns.key?(:object) || local_assigns.key?(variable_name) end end end