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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 library barback.test.transformer.emit_nothing; | |
6 | |
7 import 'package:barback/barback.dart'; | |
8 | |
9 import 'mock.dart'; | |
10 | |
11 /// A transformer that emits no assets. | |
12 class EmitNothingTransformer extends MockTransformer { | |
13 final String extension; | |
14 | |
15 EmitNothingTransformer(this.extension); | |
16 | |
17 bool doIsPrimary(AssetId id) => id.extension == ".$extension"; | |
18 | |
19 void doApply(Transform transform) { | |
20 // Emit nothing. | |
21 } | |
22 | |
23 String toString() => "$extension->nothing"; | |
24 } | |
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