Contents

# frozen_string_literal: true

module Micro
  module Attributes
    module Macros
      def __attributes
        @__attributes ||= Set.new
      end

      def attribute?(name)
        __attributes.member?(name.to_s)
      end

      def __attribute(name)
        __attributes.add(name)
        attr_reader(name)
      end

      def __attributes_data
        @__attributes_data ||= {}
      end

      def __attribute_data(name, value, allow_to_override)
        has_attribute = attribute?(name)
        __attribute(name) unless has_attribute
        __attributes_data[name] = value if allow_to_override || !has_attribute
      end

      def __attribute_data!(arg, allow_to_override:)
        return __attribute_data(arg.to_s, nil, allow_to_override) unless arg.is_a?(Hash)

        arg.each { |key, value| __attribute_data(key.to_s, value, allow_to_override) }
      end

      def attribute(arg)
        __attribute_data!(arg, allow_to_override: false)
      end

      def attributes(*args)
        return __attributes.to_a if args.empty?

        args.flatten.each { |arg| attribute(arg) }
      end

      def attributes_data(arg)
        __attributes_data.merge(
          Utils.hash_argument!(arg)
               .each_with_object({}) { |(key, val), memo| memo[key.to_s] = val }
        )
      end

      module ForSubclasses
        def attribute!(arg)
          __attribute_data!(arg, allow_to_override: true)
        end

        def attributes!(*args)
          return args.flatten.each { |arg| attribute!(arg) } unless args.empty?
          raise ArgumentError, 'wrong number of arguments (given 0, expected 1 or more)'
        end
      end

      private_constant :ForSubclasses
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
u-attributes-0.7.0	lib/micro/attributes/macros.rb