add support for template repeat

lib/src/html_cleaner.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * Part of the template compilation that concerns with simplifying HTML trees to
  * emit trimmed simple HTML code.
  */
 library html_cleaner;
 
@@ skipping 19 matching lines @@
     _component = oldComponent;
   }
 
   void visitElementInfo(ElementInfo info) {
     var node = info.node;
     info.removeAttributes.forEach(node.attributes.remove);
     info.removeAttributes.clear();
 
     // Hide all template elements. At the very least, we must do this for
     // template attributes, such as `<td template if="cond">`.
-    if (info.hasIfCondition && !info.isTemplateElement) {
+    if (info is TemplateInfo && !info.isTemplateElement &&
+        (info.hasCondition || info.isRepeat)) {

[Siggi Cherem (dart-lang), 2013/04/05 20:09:24]

why not info.hasLoop?

[Jennifer Messerly, 2013/04/05 20:34:36]

wow, the comment is way out of date. I've fixed it. You can tell me if it
answers the question--I hope so :)

       node.attributes['style'] = 'display:none';
     }
 
     if (info.childrenCreatedInCode) {
       node.nodes.clear();
     }
 
     if (node.tagName == 'style' && node.attributes.containsKey("scoped") &&
         _component != null) {
       // Remove the style tag we've parsed the CSS.
       node.remove();
     }
 
     super.visitElementInfo(info);
   }
 }