Index: pkg/barback/example/aggregate_transformer/lib/transformer.dart |
diff --git a/pkg/barback/example/aggregate_transformer/lib/transformer.dart b/pkg/barback/example/aggregate_transformer/lib/transformer.dart |
deleted file mode 100644 |
index bf6b2c300b4e2998568e9b19b878610a294dd824..0000000000000000000000000000000000000000 |
--- a/pkg/barback/example/aggregate_transformer/lib/transformer.dart |
+++ /dev/null |
@@ -1,53 +0,0 @@ |
-// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
-// for details. All rights reserved. Use of this source code is governed by a |
-// BSD-style license that can be found in the LICENSE file. |
- |
-import 'package:barback/barback.dart'; |
-import 'package:path/path.dart' as p; |
- |
-import 'dart:async'; |
- |
-class MakeBook extends AggregateTransformer { |
- // All transformers need to implement "asPlugin" to let Pub know that they |
- // are transformers. |
- MakeBook.asPlugin(); |
- |
- // Implement the classifyPrimary method to claim any assets that you want |
- // to handle. Return a value for the assets you want to handle, |
- // or null for those that you do not want to handle. |
- classifyPrimary(AssetId id) { |
- // Only process assets where the filename ends with "recipe.html". |
- if (!id.path.endsWith('recipe.html')) return null; |
- |
- // Return the path string, minus the recipe itself. |
- // This is where the output asset will be written. |
- return p.url.dirname(id.path); |
- } |
- |
- // Implement the apply method to process the assets and create the |
- // output asset. |
- Future apply(AggregateTransform transform) { |
- var buffer = new StringBuffer()..write('<html><body>'); |
- |
- return transform.primaryInputs.toList().then((assets) { |
- // The order of [transform.primaryInputs] is not guaranteed |
- // to be stable across multiple runs of the transformer. |
- // Therefore, we alphabetically sort the assets by ID string. |
- assets.sort((x, y) => x.id.compareTo(y.id)); |
- return Future.wait(assets.map((asset) { |
- return asset.readAsString().then((content) { |
- buffer.write(content); |
- buffer.write('<hr>'); |
- }); |
- })); |
- }).then((_) { |
- buffer.write('</body></html>'); |
- // Write the output back to the same directory, |
- // in a file named recipes.html. |
- var id = new AssetId(transform.package, |
- p.url.join(transform.key, ".recipes.html")); |
- transform.addOutput(new Asset.fromString(id, buffer.toString())); |
- }); |
- } |
-} |
- |