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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 /// Includes any additional polyfills that may needed by the deployed app. | 5 /// Includes any additional polyfills that may needed by the deployed app. |
6 library polymer.src.build.polyfill_injector; | 6 library polymer.src.build.polyfill_injector; |
7 | 7 |
8 import 'dart:async'; | 8 import 'dart:async'; |
9 | 9 |
10 import 'package:barback/barback.dart'; | 10 import 'package:barback/barback.dart'; |
11 import 'package:html5lib/dom.dart' show | 11 import 'package:html5lib/dom.dart' show |
12 Document, DocumentFragment, Element, Node; | 12 Document, DocumentFragment, Element, Node; |
13 import 'package:html5lib/parser.dart' show parseFragment; | 13 import 'package:html5lib/parser.dart' show parseFragment; |
14 import 'common.dart'; | 14 import 'common.dart'; |
15 | 15 |
16 /// Ensures that any scripts and polyfills needed to run a polymer application | 16 /// Ensures that any scripts and polyfills needed to run a polymer application |
17 /// are included. | 17 /// are included. |
18 /// | 18 /// |
19 /// This step also replaces "packages/browser/dart.js" and the Dart script tag | 19 /// This step also replaces "packages/browser/dart.js" and the Dart script tag |
20 /// with a script tag that loads the dart2js compiled code directly. | 20 /// with a script tag that loads the dart2js compiled code directly. |
21 class PolyfillInjector extends Transformer with PolymerTransformer { | 21 class PolyfillInjector extends Transformer with PolymerTransformer { |
22 final TransformOptions options; | 22 final TransformOptions options; |
23 | 23 |
24 PolyfillInjector(this.options); | 24 PolyfillInjector(this.options); |
25 | 25 |
26 /// Only run on entry point .html files. | 26 /// Only run on entry point .html files. |
27 Future<bool> isPrimary(Asset input) => | 27 // TODO(nweiz): This should just take an AssetId when barback <0.13.0 support |
28 new Future.value(options.isHtmlEntryPoint(input.id)); | 28 // is dropped. |
| 29 Future<bool> isPrimary(idOrAsset) { |
| 30 var id = idOrAsset is AssetId ? idOrAsset : idOrAsset.id; |
| 31 return new Future.value(options.isHtmlEntryPoint(id)); |
| 32 } |
29 | 33 |
30 Future apply(Transform transform) { | 34 Future apply(Transform transform) { |
31 return readPrimaryAsHtml(transform).then((document) { | 35 return readPrimaryAsHtml(transform).then((document) { |
32 bool webComponentsFound = false; | 36 bool webComponentsFound = false; |
33 Element dartJs; | 37 Element dartJs; |
34 final dartScripts = <Element>[]; | 38 final dartScripts = <Element>[]; |
35 | 39 |
36 for (var tag in document.querySelectorAll('script')) { | 40 for (var tag in document.querySelectorAll('script')) { |
37 var src = tag.attributes['src']; | 41 var src = tag.attributes['src']; |
38 if (src != null) { | 42 if (src != null) { |
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93 } | 97 } |
94 | 98 |
95 transform.addOutput( | 99 transform.addOutput( |
96 new Asset.fromString(transform.primaryInput.id, document.outerHtml)); | 100 new Asset.fromString(transform.primaryInput.id, document.outerHtml)); |
97 }); | 101 }); |
98 } | 102 } |
99 } | 103 } |
100 | 104 |
101 final _webComponentsJS = new RegExp(r'platform.*\.js', | 105 final _webComponentsJS = new RegExp(r'platform.*\.js', |
102 caseSensitive: false); | 106 caseSensitive: false); |
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