| // Copyright (c) 2016, 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 'dart:async' show Future; |
| import 'dart:isolate' show Isolate; |
| |
| /// Helper function for resolving to a non-relative, non-package URI. |
| Future<Uri> resolveUri(Uri uri) { |
| if (uri.scheme == 'package') { |
| return Isolate.resolvePackageUri(uri).then((resolvedUri) { |
| if (resolvedUri == null) { |
| throw ArgumentError.value(uri, 'uri', 'Unknown package'); |
| } |
| return resolvedUri; |
| }); |
| } |
| return Future<Uri>.value(Uri.base.resolveUri(uri)); |
| } |