# frozen_string_literal: true require 'grape/validations/validators/multiple_params_base' module Grape module Validations class MutualExclusionValidator < MultipleParamsBase def validate_params!(params) keys = keys_in_common(params) return if keys.length <= 1 raise Grape::Exceptions::Validation.new(params: keys, message: message(:mutual_exclusion)) end end end end