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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'; |
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30 Future<bool> isPrimary(idOrAsset) { | 30 Future<bool> isPrimary(idOrAsset) { |
31 var id = idOrAsset is AssetId ? idOrAsset : idOrAsset.id; | 31 var id = idOrAsset is AssetId ? idOrAsset : idOrAsset.id; |
32 return new Future.value(options.isHtmlEntryPoint(id)); | 32 return new Future.value(options.isHtmlEntryPoint(id)); |
33 } | 33 } |
34 | 34 |
35 Future apply(Transform transform) { | 35 Future apply(Transform transform) { |
36 var logger = new BuildLogger(transform, | 36 var logger = new BuildLogger(transform, |
37 convertErrorsToWarnings: !options.releaseMode, | 37 convertErrorsToWarnings: !options.releaseMode, |
38 detailsUri: 'http://goo.gl/5HPeuP'); | 38 detailsUri: 'http://goo.gl/5HPeuP'); |
39 return readPrimaryAsHtml(transform, logger).then((document) { | 39 return readPrimaryAsHtml(transform, logger).then((document) { |
40 bool webComponentsFound = false; | 40 bool dartSupportFound = false; |
| 41 bool platformJsFound = false; |
41 Element dartJs; | 42 Element dartJs; |
42 final dartScripts = <Element>[]; | 43 final dartScripts = <Element>[]; |
43 | 44 |
44 for (var tag in document.querySelectorAll('script')) { | 45 for (var tag in document.querySelectorAll('script')) { |
45 var src = tag.attributes['src']; | 46 var src = tag.attributes['src']; |
46 if (src != null) { | 47 if (src != null) { |
47 var last = src.split('/').last; | 48 var last = src.split('/').last; |
48 if (_webComponentsJS.hasMatch(last)) { | 49 if (_platformJS.hasMatch(last)) { |
49 webComponentsFound = true; | 50 platformJsFound = true; |
| 51 } else if (_dartSupportJS.hasMatch(last)) { |
| 52 dartSupportFound = true; |
50 } else if (last == 'dart.js') { | 53 } else if (last == 'dart.js') { |
51 dartJs = tag; | 54 dartJs = tag; |
52 } | 55 } |
53 } | 56 } |
54 | 57 |
55 if (tag.attributes['type'] == 'application/dart') { | 58 if (tag.attributes['type'] == 'application/dart') { |
56 dartScripts.add(tag); | 59 dartScripts.add(tag); |
57 } | 60 } |
58 } | 61 } |
59 | 62 |
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88 document.body.nodes.add(parseFragment( | 91 document.body.nodes.add(parseFragment( |
89 '<script src="packages/browser/dart.js"></script>')); | 92 '<script src="packages/browser/dart.js"></script>')); |
90 } | 93 } |
91 | 94 |
92 _addScriptFirst(urlSegment) { | 95 _addScriptFirst(urlSegment) { |
93 document.head.nodes.insert(0, parseFragment( | 96 document.head.nodes.insert(0, parseFragment( |
94 '<script src="packages/$urlSegment"></script>\n')); | 97 '<script src="packages/$urlSegment"></script>\n')); |
95 } | 98 } |
96 | 99 |
97 var suffix = options.releaseMode ? '.js' : '.concat.js'; | 100 var suffix = options.releaseMode ? '.js' : '.concat.js'; |
98 if (!webComponentsFound) { | 101 if (!dartSupportFound) _addScriptFirst('web_components/dart_support.js'); |
99 _addScriptFirst('web_components/dart_support.js'); | 102 // platform.js should come before all other scripts. |
100 | 103 if (!platformJsFound) _addScriptFirst('web_components/platform$suffix'); |
101 // platform.js should come before all other scripts. | |
102 _addScriptFirst('web_components/platform$suffix'); | |
103 } | |
104 | 104 |
105 transform.addOutput( | 105 transform.addOutput( |
106 new Asset.fromString(transform.primaryInput.id, document.outerHtml)); | 106 new Asset.fromString(transform.primaryInput.id, document.outerHtml)); |
107 }); | 107 }); |
108 } | 108 } |
109 } | 109 } |
110 | 110 |
111 final _webComponentsJS = new RegExp(r'platform.*\.js', | 111 final _platformJS = new RegExp(r'platform.*\.js', caseSensitive: false); |
112 caseSensitive: false); | 112 final _dartSupportJS = new RegExp(r'dart_support.js', caseSensitive: false); |
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