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Contents
# frozen_string_literal: true
require 'eac_ruby_utils/immutable/base_accessor'
require 'eac_ruby_utils/patches/class/common_constructor'
module EacRubyUtils
module Immutable
class HashAccessor < ::EacRubyUtils::Immutable::BaseAccessor
def apply(klass)
apply_plural(klass)
apply_singular(klass)
end
def immutable_value_get(object)
super || {}
end
def immutable_value_get_single(object, key)
immutable_value_get(object)[key]
end
def immutable_value_set(object, new_hash)
duplicate_object(object) { |_old_value| new_hash }
end
def immutable_value_set_single(object, key, value)
immutable_value_set(object, immutable_value_get(object).merge(key => value))
end
private
def apply_plural(klass)
accessor = self
klass.send(:define_method, ::ActiveSupport::Inflector.pluralize(name)) do |*args|
case args.count
when 0 then next accessor.immutable_value_get(self)
when 1 then next accessor.immutable_value_set(self, args[0])
else
raise ::ArgumentError, "wrong number of arguments (given #{args.count}, expected 0..1)"
end
end
end
def apply_singular(klass)
accessor = self
klass.send(:define_method, name) do |*args|
case args.count
when 1 then next accessor.immutable_value_get_single(self, args[0])
when 2 then next accessor.immutable_value_set_single(self, *args[0..1])
else
raise ::ArgumentError, "wrong number of arguments (given #{args.count}, expected 1..2)"
end
end
end
end
end
end
Version data entries
29 entries across 29 versions & 2 rubygems