module GraphQL::Subscriptions::Serialize

def dump_recursive(obj)
  case
  when obj.is_a?(Array)
    obj.map { |i| dump_recursive(i) }.join(':')
  when obj.is_a?(Hash)
    obj.map { |k, v| "#{dump_recursive(k)}:#{dump_recursive(v)}" }.join(":")
  when obj.is_a?(GraphQL::Schema::InputObject)
    dump_recursive(obj.to_h)
  when obj.respond_to?(:to_gid_param)
    obj.to_gid_param
  when obj.respond_to?(:to_param)
    obj.to_param
  else
    obj.to_s
  end
end