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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
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. | |
4 | |
5 /// Transformer that replaces the default mirror-based implementation of smoke, | |
6 /// so that during deploy smoke doesn't include any dependency on dart:mirrors. | |
7 library smoke.src.default_transformer; | |
8 | |
9 import 'dart:async'; | |
10 import 'package:barback/barback.dart'; | |
11 | |
12 /// Replaces the default mirror-based implementation of smoke in | |
13 /// `pacakge:smoke/implementation.dart`, so that during deploy smoke doesn't | |
14 /// include any dependency on dart:mirrors. | |
15 // TODO(sigmund): include tests that run this transformation automatically. | |
16 class DefaultTransformer extends Transformer { | |
17 DefaultTransformer.asPlugin(); | |
18 | |
19 /// Only apply to `lib/src/implementation.dart`. | |
20 Future<bool> isPrimary(Asset input) => new Future.value( | |
21 input.id.package == 'smoke' && | |
22 input.id.path == 'lib/src/implementation.dart'); | |
23 | |
24 Future apply(Transform transform) { | |
25 var id = transform.primaryInput.id; | |
26 return transform.primaryInput.readAsString().then((code) { | |
27 // Note: this rewrite is highly-coupled with how implementation.dart is | |
28 // written. Make sure both are updated in sync. | |
29 transform.addOutput(new Asset.fromString(id, code | |
30 .replaceAll(new RegExp('new Reflective[^;]*;'), | |
31 'throwNotConfiguredError();') | |
32 .replaceAll("import 'package:smoke/mirrors.dart'';", ''))); | |
Jennifer Messerly
2014/02/20 21:24:47
is there an extra ' here? mirrors.dart''
Siggi Cherem (dart-lang)
2014/02/20 22:19:48
good catch! I had renamed the library and when I f
| |
33 }); | |
34 } | |
35 } | |
36 | |
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