Module: Foobara::TypeDeclarations::Attributes

Defined in:
foobara-0.1.7/projects/type_declarations/src/attributes.rb

Class Method Summary collapse

Class Method Details

.merge(*type_declarations) ⇒ Object 



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# File 'foobara-0.1.7/projects/type_declarations/src/attributes.rb', line 5

def merge(*type_declarations)
  element_type_declarations = {}
  required = []
  defaults = {}

  type_declarations.each do |declaration_data|
    element_type_declarations.merge!(declaration_data[:element_type_declarations])
    type_defaults = declaration_data[:defaults]
    type_required = declaration_data[:required]

    if type_defaults && !type_defaults.empty?
      defaults.merge!(type_defaults)
    end

    if type_required && !type_required.empty?
      required += type_required
    end
  end

  handler = Domain.global.foobara_type_builder.handler_for_class(
    TypeDeclarations::Handlers::ExtendAttributesTypeDeclaration
  )

  declaration = TypeDeclaration.new(
    type: :attributes,
    element_type_declarations:,
    required:,
    defaults:
  )
  declaration.is_absolutified = true
  declaration.is_duped = true

  handler.desugarize(declaration).declaration_data
end

.only(declaration, *keys) ⇒ Object 



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# File 'foobara-0.1.7/projects/type_declarations/src/attributes.rb', line 40

def only(declaration, *keys)
  valid_keys = declaration[:element_type_declarations].keys
  keys_to_keep = keys.map(&:to_sym)
  invalid_keys = keys_to_keep - valid_keys

  if invalid_keys.any?
    # :nocov:
    raise ArgumentError, "Invalid keys: #{invalid_keys} expected only #{valid_keys}"
    # :nocov:
  end

  keys_to_reject = valid_keys - keys_to_keep

  reject(declaration, keys_to_reject)
end

.reject(declaration_data, *keys) ⇒ Object 



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# File 'foobara-0.1.7/projects/type_declarations/src/attributes.rb', line 56

def reject(declaration_data, *keys)
  declaration = TypeDeclaration.new(declaration_data)

  element_type_declarations = declaration[:element_type_declarations]
  required = declaration[:required]
  defaults = declaration[:defaults]

  changed = false

  keys.flatten.each do |key|
    key = key.to_sym

    if element_type_declarations.key?(key)
      changed = true
      declaration[:element_type_declarations] = declaration[:element_type_declarations].except(key)
    end

    if required&.include?(key)
      changed = true
      required = required.dup
      required.delete(key)
      declaration[:required] = required
    end

    if defaults&.key?(key)
      changed = true
      defaults = defaults.except(key)
      declaration[:defaults] = defaults
    end
  end

  if changed
    handler = Domain.global.foobara_type_builder.handler_for_class(
      TypeDeclarations::Handlers::ExtendAttributesTypeDeclaration
    )

    handler.desugarize(declaration).declaration_data
  else
    declaration_data
  end
end