snusnu

ducktrap.rb

require 'pp'

require 'ducktrap'

class Person
  include Anima.new(:name)
end

SANITIZER = Ducktrap.build do
  primitive(Hash)
  hash_transform do
    dump_key(:name) do
      fetch_key('name')
      primitive(String)
    end
  end
  anima_load(Person)
end

result = SANITIZER.run('name' => 'John')
result.pretty_dump

output.txt

Ducktrap::Node::Block::Evaluator
  input: {"name"=>"John"}
  error
    Ducktrap::Error
        input: {"name"=>"John"}
        context
          Ducktrap::Node::Hash::Transform::Evaluator
            input: {"name"=>"John"}
            error
              Ducktrap::Error
                  input: {"name"=>"John"}
                  context
                    Ducktrap::Node::Anima::Load::Evaluator
                      input: {"name"=>"John"}
                      error
                        Ducktrap::Error::Exception
                            input: {"name"=>"John"}
                          Anima::Error::Missing
                            exception: "Missing attribute(s) :name for Person"
                            context
                              Ducktrap::Node::Anima::Load
                                model: Person
                      context:
                        Ducktrap::Node::Anima::Load
                          model: Person
            context:
              Ducktrap::Node::Hash::Transform
                body:
                  Ducktrap::Node::Key::Dump
                    key: :name
                    operand:
                      Ducktrap::Node::Block
                        body:
                          Ducktrap::Node::Key::Fetch
                            key: "name"
                            operand:
                              Ducktrap::Node::Noop
                          Ducktrap::Node::Primitive
                            primitive: String
                  Ducktrap::Node::Anima::Load
                    model: Person
  context:
    Ducktrap::Node::Block
      body:
        Ducktrap::Node::Primitive
          primitive: Hash
        Ducktrap::Node::Hash::Transform
          body:
            Ducktrap::Node::Key::Dump
              key: :name
              operand:
                Ducktrap::Node::Block
                  body:
                    Ducktrap::Node::Key::Fetch
                      key: "name"
                      operand:
                        Ducktrap::Node::Noop
                    Ducktrap::Node::Primitive
                      primitive: String
            Ducktrap::Node::Anima::Load
              model: Person