#frozen_string_literal: false unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED require 'json' end require 'date' class Date # See #as_json. def self.json_create(object) civil(*object.values_at('y', 'm', 'd', 'sg')) end alias start sg unless method_defined?(:start) # Methods Date#as_json and +Date.json_create+ may be used # to serialize and deserialize a \Date object; # see Marshal[rdoc-ref:Marshal]. # # \Method Date#as_json serializes +self+, # returning a 2-element hash representing +self+: # # require 'json/add/date' # x = Date.today.as_json # # => {"json_class"=>"Date", "y"=>2023, "m"=>11, "d"=>21, "sg"=>2299161.0} # # \Method +JSON.create+ deserializes such a hash, returning a \Date object: # # Date.json_create(x) # # => # # def as_json(*) { JSON.create_id => self.class.name, 'y' => year, 'm' => month, 'd' => day, 'sg' => start, } end # Returns a JSON string representing +self+: # # require 'json/add/date' # puts Date.today.to_json # # Output: # # {"json_class":"Date","y":2023,"m":11,"d":21,"sg":2299161.0} # def to_json(*args) as_json.to_json(*args) end end