Contents

# frozen_string_literal: true

# Looks at the `:type` option and counts how many nested arrays
# it contains around either nil or a callable value.
#
# The counted number is preserved in the `:wrap` virtual option
# used by the [WrapType] dispatcher.
#
module Dry
  module Initializer
    module Dispatchers
      module UnwrapType
        extend self

        def call(type: nil, wrap: 0, **options)
          type, count = unwrap(type, wrap)

          {type: type, wrap: count, **options}
        end

        private

        def unwrap(type, count)
          if type.is_a?(::Array)
            unwrap(type.first, count + 1)
          else
            [type, count]
          end
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
dry-initializer-3.1.1	lib/dry/initializer/dispatchers/unwrap_type.rb
dry-initializer-3.1.0	lib/dry/initializer/dispatchers/unwrap_type.rb