require 'json-schema' module Rswag module Specs class ExtendedSchema < JSON::Schema::Draft4 def initialize super @attributes['type'] = ExtendedTypeAttribute @uri = URI.parse('http://tempuri.org/rswag/specs/extended_schema') @names = ['http://tempuri.org/rswag/specs/extended_schema'] end end class ExtendedTypeAttribute < JSON::Schema::TypeV4Attribute def self.validate(current_schema, data, fragments, processor, validator, options={}) return if data.nil? && current_schema.schema['x-nullable'] == true super end end JSON::Validator.register_validator(ExtendedSchema.new) end end