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# frozen_string_literal: true
module GraphQL
class Schema
class Validator
# Use this to specifically reject values that respond to `.blank?` and respond truthy for that method.
#
# @example Require a non-empty string for an argument
# argument :name, String, required: true, validate: { allow_blank: false }
class AllowBlankValidator < Validator
def initialize(allow_blank_positional, allow_blank: nil, message: "%{validated} can't be blank", **default_options)
@message = message
super(**default_options)
@allow_blank = allow_blank.nil? ? allow_blank_positional : allow_blank
end
def validate(_object, _context, value)
if value.respond_to?(:blank?) && value.blank?
if (value.nil? && @allow_null) || @allow_blank
# pass
else
@message
end
end
end
end
end
end
end
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