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# frozen_string_literal: true
module GraphQL
class Schema
class Member
module HasValidators
include GraphQL::EmptyObjects
# Build {GraphQL::Schema::Validator}s based on the given configuration
# and use them for this schema member
# @param validation_config [Hash{Symbol => Hash}]
# @return [void]
def validates(validation_config)
new_validators = GraphQL::Schema::Validator.from_config(self, validation_config)
@own_validators ||= []
@own_validators.concat(new_validators)
nil
end
# @return [Array<GraphQL::Schema::Validator>]
def validators
@own_validators || EMPTY_ARRAY
end
module ClassConfigured
def inherited(child_cls)
super
child_cls.extend(ClassValidators)
end
module ClassValidators
include GraphQL::EmptyObjects
def validators
inherited_validators = superclass.validators
if inherited_validators.any?
if @own_validators.nil?
inherited_validators
else
inherited_validators + @own_validators
end
elsif @own_validators.nil?
EMPTY_ARRAY
else
@own_validators
end
end
end
end
def self.extended(child_cls)
super
child_cls.extend(ClassConfigured)
end
end
end
end
end
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