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Side by Side Diff: pkg/polymer/lib/src/build/polyfill_injector.dart

Issue 513023002: Step one towards stable error messages with details: (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 3 months ago
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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 'package:code_transformers/messages/build_logger.dart';
14 import 'common.dart'; 15 import 'common.dart';
15 16
16 /// Ensures that any scripts and polyfills needed to run a polymer application 17 /// Ensures that any scripts and polyfills needed to run a polymer application
17 /// are included. 18 /// are included.
18 /// 19 ///
19 /// This step also replaces "packages/browser/dart.js" and the Dart script tag 20 /// 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. 21 /// with a script tag that loads the dart2js compiled code directly.
21 class PolyfillInjector extends Transformer with PolymerTransformer { 22 class PolyfillInjector extends Transformer with PolymerTransformer {
22 final TransformOptions options; 23 final TransformOptions options;
23 24
24 PolyfillInjector(this.options); 25 PolyfillInjector(this.options);
25 26
26 /// Only run on entry point .html files. 27 /// Only run on entry point .html files.
27 // TODO(nweiz): This should just take an AssetId when barback <0.13.0 support 28 // TODO(nweiz): This should just take an AssetId when barback <0.13.0 support
28 // is dropped. 29 // is dropped.
29 Future<bool> isPrimary(idOrAsset) { 30 Future<bool> isPrimary(idOrAsset) {
30 var id = idOrAsset is AssetId ? idOrAsset : idOrAsset.id; 31 var id = idOrAsset is AssetId ? idOrAsset : idOrAsset.id;
31 return new Future.value(options.isHtmlEntryPoint(id)); 32 return new Future.value(options.isHtmlEntryPoint(id));
32 } 33 }
33 34
34 Future apply(Transform transform) { 35 Future apply(Transform transform) {
35 return readPrimaryAsHtml(transform).then((document) { 36 var logger = new BuildLogger(transform,
37 convertErrorsToWarnings: !options.releaseMode);
38 return readPrimaryAsHtml(transform, logger).then((document) {
36 bool webComponentsFound = false; 39 bool webComponentsFound = false;
37 Element dartJs; 40 Element dartJs;
38 final dartScripts = <Element>[]; 41 final dartScripts = <Element>[];
39 42
40 for (var tag in document.querySelectorAll('script')) { 43 for (var tag in document.querySelectorAll('script')) {
41 var src = tag.attributes['src']; 44 var src = tag.attributes['src'];
42 if (src != null) { 45 if (src != null) {
43 var last = src.split('/').last; 46 var last = src.split('/').last;
44 if (_webComponentsJS.hasMatch(last)) { 47 if (_webComponentsJS.hasMatch(last)) {
45 webComponentsFound = true; 48 webComponentsFound = true;
(...skipping 53 matching lines...) Expand 10 before | Expand all | Expand 10 after
99 } 102 }
100 103
101 transform.addOutput( 104 transform.addOutput(
102 new Asset.fromString(transform.primaryInput.id, document.outerHtml)); 105 new Asset.fromString(transform.primaryInput.id, document.outerHtml));
103 }); 106 });
104 } 107 }
105 } 108 }
106 109
107 final _webComponentsJS = new RegExp(r'platform.*\.js', 110 final _webComponentsJS = new RegExp(r'platform.*\.js',
108 caseSensitive: false); 111 caseSensitive: false);
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