Index: pkg/smoke/lib/src/default_transformer.dart |
diff --git a/pkg/smoke/lib/src/default_transformer.dart b/pkg/smoke/lib/src/default_transformer.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b98036ea2b7d83490a96cbf9b1eb49a7e7e3d0db |
--- /dev/null |
+++ b/pkg/smoke/lib/src/default_transformer.dart |
@@ -0,0 +1,36 @@ |
+// 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. |
+ |
+/// Transformer that replaces the default mirror-based implementation of smoke, |
+/// so that during deploy smoke doesn't include any dependency on dart:mirrors. |
+library smoke.src.default_transformer; |
+ |
+import 'dart:async'; |
+import 'package:barback/barback.dart'; |
+ |
+/// Replaces the default mirror-based implementation of smoke in |
+/// `pacakge:smoke/implementation.dart`, so that during deploy smoke doesn't |
+/// include any dependency on dart:mirrors. |
+// TODO(sigmund): include tests that run this transformation automatically. |
+class DefaultTransformer extends Transformer { |
+ DefaultTransformer.asPlugin(); |
+ |
+ /// Only apply to `lib/src/implementation.dart`. |
+ Future<bool> isPrimary(Asset input) => new Future.value( |
+ input.id.package == 'smoke' && |
+ input.id.path == 'lib/src/implementation.dart'); |
+ |
+ Future apply(Transform transform) { |
+ var id = transform.primaryInput.id; |
+ return transform.primaryInput.readAsString().then((code) { |
+ // Note: this rewrite is highly-coupled with how implementation.dart is |
+ // written. Make sure both are updated in sync. |
+ transform.addOutput(new Asset.fromString(id, code |
+ .replaceAll(new RegExp('new Reflective[^;]*;'), |
+ 'throwNotConfiguredError();') |
+ .replaceAll("import 'package:smoke/mirrors.dart';", ''))); |
+ }); |
+ } |
+} |
+ |