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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.declaring_aggregate_many_to_many; | |
| 6 | |
| 7 import 'dart:async'; | |
| 8 | |
| 9 import 'package:barback/barback.dart'; | |
| 10 | |
| 11 import 'aggregate_many_to_many.dart'; | |
| 12 | |
| 13 /// Like [AggregateManyToManyTransformer], but declares its assets ahead of | |
| 14 /// time. | |
| 15 class DeclaringAggregateManyToManyTransformer | |
| 16 extends AggregateManyToManyTransformer | |
| 17 implements DeclaringAggregateTransformer { | |
| 18 DeclaringAggregateManyToManyTransformer(String extension) | |
| 19 : super(extension); | |
| 20 | |
| 21 Future declareOutputs(DeclaringAggregateTransform transform) => | |
| 22 transform.primaryIds.asyncMap(transform.declareOutput).toList(); | |
| 23 } | |
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