module Trestle
  # [Internal]
  module FlashHelper
    def normalize_flash_alert(flash)
      flash.is_a?(Hash) ? flash.with_indifferent_access : { message: flash }
    end

    def debug_form_errors?
      Trestle.config.debug_form_errors && instance_has_errors?
    end

    def instance_has_errors?
      instance.errors.any? rescue false
    end
  end
end