lib/sprockets/rails/quiet_assets.rb in sprockets-rails-3.4.2 vs lib/sprockets/rails/quiet_assets.rb in sprockets-rails-3.5.0

@@ -1,18 +1,32 @@
 module Sprockets
   module Rails
+    class LoggerSilenceError < StandardError; end
+
     class QuietAssets
       def initialize(app)
         @app = app
         @assets_regex = %r(\A/{0,2}#{::Rails.application.config.assets.prefix})
       end
 
       def call(env)
         if env['PATH_INFO'] =~ @assets_regex
+          raise_logger_silence_error unless ::Rails.logger.respond_to?(:silence)
+
           ::Rails.logger.silence { @app.call(env) }
         else
           @app.call(env)
         end
       end
+
+      private
+        def raise_logger_silence_error
+          error = "You have enabled `config.assets.quiet`, but your `Rails.logger`\n"
+          error << "does not use the `LoggerSilence` module.\n\n"
+          error << "Please use a compatible logger such as `ActiveSupport::Logger`\n"
+          error << "to take advantage of quiet asset logging.\n\n"
+
+          raise LoggerSilenceError, error
+        end
     end
   end
 end