Methods

Instance Public methods

register_preview_interceptor(interceptor)

Register an Interceptor which will be called before mail is previewed. Either a class or a string can be passed in as the Interceptor. If a string is passed in it will be constantized.

📝 Source code 
# File actionmailer/lib/action_mailer/preview.rb, line 37
      def register_preview_interceptor(interceptor)
        preview_interceptor = \
          case interceptor
          when String, Symbol
            interceptor.to_s.camelize.constantize
          else
            interceptor
          end

        unless preview_interceptors.include?(preview_interceptor)
          preview_interceptors << preview_interceptor
        end
      end
🔎 See on GitHub

register_preview_interceptors(*interceptors)

Register one or more Interceptors which will be called before mail is previewed.

📝 Source code 
# File actionmailer/lib/action_mailer/preview.rb, line 30
      def register_preview_interceptors(*interceptors)
        interceptors.flatten.compact.each { |interceptor| register_preview_interceptor(interceptor) }
      end
🔎 See on GitHub