2185 minify error at startup web UI all

extensions/admin_ui/api/handler.rb

@@ -28,7 +28,8 @@ def self.evaluate_and_minify(content, params, name)
           },
           :compress => {
             :dead_code => true,
-          }
+          },
+          :harmony => true
         }
         minified = Uglifier.compile(evaluated, opts)
         print_debug "[AdminUI] Minified #{name} (#{minified.size} bytes)"