Upgrade json to 2.7.2

Author: andrykonchin

lib/json/lib/json/add/ostruct.rb

@@ -2,7 +2,10 @@
 unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
   require 'json'
 end
-require 'ostruct'
+begin
+  require 'ostruct'
+rescue LoadError
+end
 
 class OpenStruct
 
@@ -48,4 +51,4 @@ def as_json(*)
   def to_json(*args)
     as_json.to_json(*args)
   end
-end
+end if defined?(::OpenStruct)

lib/json/lib/json/common.rb

@@ -1,8 +1,9 @@
 #frozen_string_literal: false
 require 'json/version'
-require 'json/generic_object'
 
 module JSON
+  autoload :GenericObject, 'json/generic_object'
+
   NOT_SET = Object.new.freeze
   private_constant :NOT_SET
 

lib/json/lib/json/generic_object.rb

@@ -1,5 +1,9 @@
 #frozen_string_literal: false
-require 'ostruct'
+begin
+  require 'ostruct'
+rescue LoadError
+  warn "JSON::GenericObject requires 'ostruct'. Please install it with `gem install ostruct`."
+end
 
 module JSON
   class GenericObject < OpenStruct
@@ -67,5 +71,5 @@ def as_json(*)
     def to_json(*a)
       as_json.to_json(*a)
     end
-  end
+  end if defined?(::OpenStruct)
 end

lib/json/lib/json/version.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: false
 module JSON
   # JSON version
-  VERSION         = '2.7.1'
+  VERSION         = '2.7.2'
   VERSION_ARRAY   = VERSION.split(/\./).map { |x| x.to_i } # :nodoc:
   VERSION_MAJOR   = VERSION_ARRAY[0] # :nodoc:
   VERSION_MINOR   = VERSION_ARRAY[1] # :nodoc: