Sha256: b89b7bec5133bfa8b2cb759105d38d7f842d7b21308ad69c5364252e4c339e04
Contents?: true
Size: 1.8 KB
Versions: 10
Compression:
Stored size: 1.8 KB
Contents
require 'dry-initializer'
module ROM
# @api private
module Initializer
# @api private
module DefineWithHook
# @api private
def param(*)
super.tap { __define_with__ }
end
# @api private
def option(*)
super.tap do
__define_with__ unless method_defined?(:with)
end
end
# @api private
def __define_with__
seq_names = dry_initializer.
definitions.
reject { |_, d| d.option }.
keys.
join(', ')
seq_names << ', ' unless seq_names.empty?
undef_method(:with) if method_defined?(:with)
class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
def with(new_options = EMPTY_HASH)
if new_options.empty?
self
else
self.class.new(#{ seq_names }options.merge(new_options))
end
end
RUBY
end
end
# @api private
def self.extended(base)
base.extend(Dry::Initializer[undefined: false])
base.extend(DefineWithHook)
base.include(InstanceMethods)
end
# @api private
module InstanceMethods
# Instance options
#
# @return [Hash]
#
# @api public
def options
@__options__ ||= self.class.dry_initializer.definitions.values.each_with_object({}) do |item, obj|
obj[item.target] = instance_variable_get(item.ivar)
end
end
define_method(:class, Kernel.instance_method(:class))
define_method(:instance_variable_get, Kernel.instance_method(:instance_variable_get))
# This makes sure we memoize options before an object becomes frozen
#
# @api public
def freeze
options
super
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems