lib/routes.js.coffee in js-routes-1.1.1 vs lib/routes.js.coffee in js-routes-1.1.2

@@ -24,13 +24,17 @@
     switch @get_object_type(object)
       when "array"
         for element, i in object
           s.push @default_serializer(element, prefix + "[]")
       when "object"
-        for own key, prop of object when prop?
-          key = "#{prefix}[#{key}]" if prefix?
-          s.push @default_serializer(prop, key)
+        for own key, prop of object
+          if !prop? and prefix?
+            prop = ""
+
+          if prop?
+            key = "#{prefix}[#{key}]" if prefix?
+            s.push @default_serializer(prop, key)
       else
         if object?
           s.push "#{encodeURIComponent(prefix.toString())}=#{encodeURIComponent(object.toString())}"
 
     return "" unless s.length
@@ -153,10 +157,11 @@
       when NodeTypes.LITERAL, NodeTypes.SLASH, NodeTypes.DOT
         left
       when NodeTypes.CAT
         left_part = @visit(left, parameters, optional)
         right_part = @visit(right, parameters, optional)
-        return "" if optional and not (left_part and right_part)
+        return "" if optional and (((left[0]  == NodeTypes.SYMBOL or left[0]  == NodeTypes.CAT) and not left_part) or
+                                   ((right[0] == NodeTypes.SYMBOL or right[0] == NodeTypes.CAT) and not right_part))
         "#{left_part}#{right_part}"
       when NodeTypes.SYMBOL
         value = parameters[left]
         if value?
           delete parameters[left]