From ac50ffca5e079db0b3e30a1feed20915d4476959 Mon Sep 17 00:00:00 2001
From: Bob Nystrom <rnystrom@google.com>
Date: Wed, 8 Jul 2015 14:53:21 -0700
Subject: [PATCH] fix(transform): handle multiple interfaces in directive
 processor

Comma separate the list of interfaces in the directive transformer.

Closes #2941
---
 .../src/transform/directive_processor/rewriter.dart         | 6 +++---
 .../interfaces_files/expected/soup.ng_deps.dart             | 2 +-
 .../directive_processor/interfaces_files/soup.dart          | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/modules/angular2/src/transform/directive_processor/rewriter.dart b/modules/angular2/src/transform/directive_processor/rewriter.dart
index 8541ee1859..59336ee42b 100644
--- a/modules/angular2/src/transform/directive_processor/rewriter.dart
+++ b/modules/angular2/src/transform/directive_processor/rewriter.dart
@@ -193,9 +193,9 @@ class CreateNgDepsVisitor extends Object with SimpleAstVisitor<Object> {
         node.implementsClause.interfaces != null &&
         node.implementsClause.interfaces.isNotEmpty) {
       writer.print(''', 'interfaces': const [''');
-      node.implementsClause.interfaces.forEach((interface) {
-        writer.print('${interface.name}');
-      });
+      writer.print(node.implementsClause.interfaces
+          .map((interface) => interface.name)
+          .join(', '));
       writer.print(']');
     }
     writer.print('})');
diff --git a/modules/angular2/test/transform/directive_processor/interfaces_files/expected/soup.ng_deps.dart b/modules/angular2/test/transform/directive_processor/interfaces_files/expected/soup.ng_deps.dart
index 3e8cd95092..7e654c36ed 100644
--- a/modules/angular2/test/transform/directive_processor/interfaces_files/expected/soup.ng_deps.dart
+++ b/modules/angular2/test/transform/directive_processor/interfaces_files/expected/soup.ng_deps.dart
@@ -12,6 +12,6 @@ void initReflector(reflector) {
       'factory': () => new ChangingSoupComponent(),
       'parameters': const [],
       'annotations': const [const Component(selector: '[soup]')],
-      'interfaces': const [OnChange]
+      'interfaces': const [OnChange, AnotherInterface]
     });
 }
diff --git a/modules/angular2/test/transform/directive_processor/interfaces_files/soup.dart b/modules/angular2/test/transform/directive_processor/interfaces_files/soup.dart
index 0365174837..cf7fc4d16c 100644
--- a/modules/angular2/test/transform/directive_processor/interfaces_files/soup.dart
+++ b/modules/angular2/test/transform/directive_processor/interfaces_files/soup.dart
@@ -3,4 +3,4 @@ library dinner.soup;
 import 'package:angular2/src/core/annotations_impl/annotations.dart';
 
 @Component(selector: '[soup]')
-class ChangingSoupComponent implements OnChange {}
+class ChangingSoupComponent implements OnChange, AnotherInterface {}