# frozen_string_literal: true

module BusinessFlow
  # Provides compatibility for ActiveSupport/Model 4.x through 7.x
  module Compat
    unless Module.instance_methods.include?(:module_parents)
      # ActiveSupport 5 removed #parents in favor of #module_parents.
      class ::Module
        def module_parents
          parents
        end
      end
    end

    unless ActiveModel::Errors.instance_methods.include?(:merge!)
      # ActiveModel 5 added details (which we do not use here) and #merge!
      # :reek:MissingSafeMethod Look it's the API.
      module ::ActiveModel
        # Amend the errors class with a convenience method.
        class Errors
          def merge!(other)
            other.each do |attribute, message|
              self[attribute] << message
            end
          end
        end
      end
    end
  end
end