Guard Against Recursive Calls

graphql.rb

GraphQL::Define::AssignObjectField.instance_eval do
  alias original_call call
  def call(*args, &block)
    if !built_in_object(args[0]) && detect_proc_needed(args[2])
      raise "You must wrap class-based types inside of a proc before attaching them to legacy-style types. Check #{args[0].name}.#{args[1]}"
    end

    original_call(*args, &block)
  end

  def detect_proc_needed(type)
    return true if type == false
    return false if type.is_a?(Proc)
    return true if type.is_a?(Module)
    return false unless type.is_a?(GraphQL::BaseType) && type.unwrap.metadata&.include?(:type_class)

    klass = type.unwrap.metadata[:type_class]
    return false if klass.try(:default_scalar)
    true
  end

  def built_in_object(obj)
    return true if obj.name.end_with?('Edge', 'Connection')
    false
  end
end