annotation Athena::Serializer::Annotations::PreSerialize

Defines a callback method that is executed directly before the object has been serialized.

Example

@[ASRA::ExclusionPolicy(:all)]
class Example
  include ASR::Serializable

  def initialize; end

  @[ASRA::Expose]
  @name : String?

  property first_name : String = "Jon"
  property last_name : String = "Snow"

  @[ASRA::PreSerialize]
  private def pre_serialize : Nil
    @name = "#{first_name} #{last_name}"
  end

  @[ASRA::PostSerialize]
  private def post_serialize : Nil
    @name = nil
  end
end

ASR.serializer.serialize Example.new, :json # => {"name":"Jon Snow"}