lib/lita/default_configuration.rb in lita-4.3.2 vs lib/lita/default_configuration.rb in lita-4.4.0

@@ -136,9 +136,12 @@
             unless LOG_LEVELS.include?(value.to_s.downcase.strip)
               "must be one of: #{LOG_LEVELS.join(', ')}"
             end
           end
         end
+        config :log_formatter, type: Proc, default: (lambda do |severity, datetime, _progname, msg|
+          "[#{datetime.utc}] #{severity}: #{msg}\n"
+        end)
         config :admins
         config :error_handler, default: -> (_error) {} do
           validate do |value|
             "must respond to #call" unless value.respond_to?(:call)
           end