module Gitlab module Graphql module Present class Instrumentation def instrument(type, field) presented_in = field.metadata[:type_class].owner return field unless presented_in.respond_to?(:presenter_class) return field unless presented_in.presenter_class old_resolver = field.resolve_proc resolve_with_presenter = -> (presented_type, args, context) do object = presented_type.object presenter = presented_in.presenter_class.new(object, **context.to_h) old_resolver.call(presenter, args, context) end field.redefine do resolve(resolve_with_presenter) end end end end end end