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\r\n(html)\r\n<head>\r\n.....\r\n <script defer src=\"main.dart\" type=\"application\/dart\"><\/script>\r\n <script defer src=\"packages\/browser\/dart.js\"><\/script>\r\n<\/head>\r\n<body>\r\n <my-app>Loading...<\/my-app>\r\n<\/body>\r\n\r\n(pubspec.yaml)\r\n.....\r\nenvironment:\r\n sdk: '>=1.24.0 <2.0.0'\r\ndependencies:\r\n angular: ^4.0.0\r\n angular_forms: ^1.0.0\r\n angular_router: ^1.0.2\r\n http: ^0.11.0\r\n stream_transform: ^0.0.6\r\n\r\ndev_dependencies:\r\n angular_test: ^1.0.0\r\n browser: ^0.10.0\r\n dart_to_js_script_rewriter: ^1.0.1\r\n mockito: ^2.0.2\r\n test: ^0.12.21\r\n\r\ntransformers:\r\n- angular:\r\n entry_points:\r\n - web\/main.dart\r\n - test\/**_test.dart\r\n- test\/pub_serve:\r\n $include: test\/**_test.dart\r\n- dart_to_js_script_rewriter\r\n<\/pre>\r\n <\/div>\r\n\r\n \r\n
\r\n(main.dart)\r\nimport 'dart:async';\r\nimport 'package:angular\/angular.dart';\r\nimport 'pow_pipe.dart';\r\n\r\n@Component(\r\n selector: 'my-app',\r\n template: '''\r\n <strong>Async Pipe<\/strong><br \/>\r\n <button (click)=\"click1()\">async pipe<\/button>\r\n <p>{{ result1 | async }}<\/p>\r\n <button (click)=\"click2()\">not async pipe<\/button>\r\n <p>{{ result2 }}<\/p>\r\n <strong>impure Custom Pipe<\/strong><br \/>\r\n <p>value:11 exponential:2 {{11 | pow: 2 }}<\/p>\r\n <p>value:12 exponential:2 {{12 | pow: 2 }}<\/p>\r\n <p>value:13 exponential:2 {{13 | pow: 2 }}<\/p>\r\n ''',\r\n directives: const [CORE_DIRECTIVES],\r\n pipes: const [COMMON_PIPES,PowPipe]\r\n)\r\nclass AppComponent {\r\n Future<String> result1;\r\n Future<String> result2;\r\n\r\n Future click1() {\r\n result1 = new Future.delayed(const Duration(seconds: 2), () => \"completed!\");\r\n }\r\n\r\n Future click2() {\r\n result2 = new Future.delayed(const Duration(seconds: 2), () => \"completed!\");\r\n }\r\n\r\n}\r\n\r\nvoid main() {\r\n bootstrap(AppComponent);\r\n}\r\n\r\n\r\n(pow_pipe.dart)\r\nimport 'dart:async';\r\nimport 'dart:math' as math;\r\nimport 'package:angular\/angular.dart';\r\n\r\n@Pipe('pow', pure: false)\r\nclass PowPipe extends PipeTransform{\r\n int _fetchedValue;\r\n int transform(int value, int exponent) {\r\n const TIMEOUT = const Duration(seconds: 2);\r\n new Timer(TIMEOUT, () => _fetchedValue = math.pow(value ?? 0, exponent ?? 1));\r\n return _fetchedValue;\r\n }\r\n}\r\n<\/pre>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n