Build fixes: adds arguments to the pub-build plugin to configure whether 'js'

pkg/polymer/lib/transformer.dart

 // Copyright (c) 2013, 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.
 
 /** Transfomer used for pub-serve and pub-deploy. */
 library polymer.transformer;
 
 import 'package:barback/barback.dart';
 import 'package:observe/transform.dart';
 import 'src/build/code_extractor.dart';
@@ skipping 17 matching lines @@
   final Iterable<Iterable> phases;
 
   PolymerTransformerGroup(TransformOptions options)
       : phases = _createDeployPhases(options);
 
   PolymerTransformerGroup.asPlugin(Map args) : this(_parseArgs(args));
 }
 
 
 TransformOptions _parseArgs(Map args) {
-  var entryPoints;
-  if (args.containsKey('entry_points')) {
-    entryPoints = [];
-    var value = args['entry_points'];
-    bool error;
-    if (value is List) {
-      entryPoints = value;
-      error = value.any((e) => e is! String);
-    } else if (value is String) {
-      entryPoints = [value];
-      error = false;
-    } else {
-      error = true;
-    }
+  return new TransformOptions(
+      entryPoints: _readEntrypoints(args['entry_points']),
+      directlyIncludeJS: args['js'] != false, // default to true

[Jennifer Messerly, 2013/10/29 02:15:35]

shouldn't args populate this so it's always be true or false? i.e. it's never
null right?

+      contentSecurityPolicy: args['csp'] == true); // default to false
+}
 
-    if (error) {
-      print('Invalid value for "entry_points" in the polymer transformer.');
-    }
+_readEntrypoints(value) {
+  if (value == null) return null;
+  var entryPoints = [];
+  bool error;
+  if (value is List) {
+    entryPoints = value;
+    error = value.any((e) => e is! String);
+  } else if (value is String) {
+    entryPoints = [value];
+    error = false;
+  } else {
+    error = true;
   }
-  return new TransformOptions(entryPoints: entryPoints);
+  if (error) {
+    print('Invalid value for "entry_points" in the polymer transformer.');
+  }
+  return entryPoints;
 }
 
 List<List<Transformer>> _createDeployPhases(TransformOptions options) {
   return [
     [new InlineCodeExtractor(options)],
     [new ObservableTransformer()],
     [new ImportInliner(options)],
     [new ScriptCompactor(options)],
     [new PolyfillInjector(options)]
   ];
 }