Add bin and edit workflow

bin/gems/json-2.10.2/lib/json/add/date.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+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 <tt>Date#as_json</tt> and +Date.json_create+ may be used
+  # to serialize and deserialize a \Date object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Date#as_json</tt> 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)
+  #   # => #<Date: 2023-11-21 ((2460270j,0s,0n),+0s,2299161j)>
+  #
+  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