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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 /** Transfomer that combines multiple dart script tags into a single one. */ | 5 /** Transfomer that combines multiple dart script tags into a single one. */ |
6 library polymer.src.build.script_compactor; | 6 library polymer.src.build.script_compactor; |
7 | 7 |
8 import 'dart:async'; | 8 import 'dart:async'; |
9 import 'dart:convert'; | 9 import 'dart:convert'; |
10 | 10 |
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74 if (mainScriptTag == null) { | 74 if (mainScriptTag == null) { |
75 // We didn't find any main library, nothing to do. | 75 // We didn't find any main library, nothing to do. |
76 transform.addOutput(transform.primaryInput); | 76 transform.addOutput(transform.primaryInput); |
77 return null; | 77 return null; |
78 } | 78 } |
79 | 79 |
80 var bootstrapId = id.addExtension('_bootstrap.dart'); | 80 var bootstrapId = id.addExtension('_bootstrap.dart'); |
81 mainScriptTag.attributes['src'] = | 81 mainScriptTag.attributes['src'] = |
82 path.url.basename(bootstrapId.path); | 82 path.url.basename(bootstrapId.path); |
83 | 83 |
84 // TODO(sigmund): stop renaming the file (see dartbug.com/14554) | 84 libraries.add(mainLibraryId); |
85 var modifiedMainId = mainLibraryId.addExtension('_modified.dart'); | |
86 | |
87 libraries.add(modifiedMainId); | |
88 var urls = libraries.map((id) => assetUrlFor(id, bootstrapId, logger)) | 85 var urls = libraries.map((id) => assetUrlFor(id, bootstrapId, logger)) |
89 .where((url) => url != null).toList(); | 86 .where((url) => url != null).toList(); |
90 var buffer = new StringBuffer()..writeln(MAIN_HEADER); | 87 var buffer = new StringBuffer()..writeln(MAIN_HEADER); |
91 int i = 0; | 88 int i = 0; |
92 for (; i < urls.length; i++) { | 89 for (; i < urls.length; i++) { |
93 buffer.writeln("import '${urls[i]}' as i$i;"); | 90 buffer.writeln("import '${urls[i]}' as i$i;"); |
94 } | 91 } |
95 | 92 |
96 buffer..write('\n') | 93 buffer..write('\n') |
97 ..writeln('void main() {') | 94 ..writeln('void main() {') |
98 ..writeln(' configureForDeployment([') | 95 ..writeln(' configureForDeployment([') |
99 ..writeAll(urls.map((url) => " '$url',\n")) | 96 ..writeAll(urls.map((url) => " '$url',\n")) |
100 ..writeln(' ]);') | 97 ..writeln(' ]);') |
101 ..writeln(' i${i - 1}.polymerMainWrapper();') | 98 ..writeln(' i${i - 1}.main();') |
102 ..writeln('}'); | 99 ..writeln('}'); |
103 | 100 |
104 transform.addOutput(new Asset.fromString( | 101 transform.addOutput(new Asset.fromString( |
105 bootstrapId, buffer.toString())); | 102 bootstrapId, buffer.toString())); |
106 transform.addOutput(new Asset.fromString(id, document.outerHtml)); | 103 transform.addOutput(new Asset.fromString(id, document.outerHtml)); |
107 | |
108 return transform.readInputAsString(mainLibraryId).then((contents) { | |
109 transform.addOutput(new Asset.fromString(modifiedMainId, | |
110 '$contents\n\npolymerMainWrapper() => main();\n')); | |
111 }); | |
112 }); | 104 }); |
113 }); | 105 }); |
114 } | 106 } |
115 } | 107 } |
116 | 108 |
117 const MAIN_HEADER = """ | 109 const MAIN_HEADER = """ |
118 library app_bootstrap; | 110 library app_bootstrap; |
119 | 111 |
120 import 'package:polymer/polymer.dart'; | 112 import 'package:polymer/polymer.dart'; |
121 """; | 113 """; |
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