anchor.diff:      Directory.current = 'polymer-build';
       dart2JSBuild(context);
       context.log('result has been written to build/polymer-build/web/');
  +    Directory.current = '../..';
     })]);
   }
   
  
positive.code: // All rights reserved. Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  import 'dart:io';
  
  import 'package:grinder/grinder.dart';
  import 'package:polymer/builder.dart' as cb;
  import 'dart:async';
  
  void main() {
    defineTask('init', taskFunction: init);
  
negative.code: // without HTML imports.
  Future<bool> asyncPolymerBuild(String entryPoint, String outputDir) {
    var args = ['--out', outputDir, '--deploy'];
    var options = polymer.parseOptions(args);
    return polymer.build(entryPoints: [entryPoint], options: options)
        .then((_) => true);
    print("polymer build done");
  }
  