38 lines
1.1 KiB
Dart
38 lines
1.1 KiB
Dart
import 'package:platform_core/core.dart';
|
|
import 'package:platform_core/http.dart';
|
|
import 'package:platform_container/mirrors.dart';
|
|
import 'package:platform_pipeline/pipeline.dart';
|
|
|
|
class AsyncGreetingPipe {
|
|
Future<dynamic> handle(String input, Function next) async {
|
|
await Future.delayed(Duration(seconds: 1));
|
|
return next('Hello, $input');
|
|
}
|
|
}
|
|
|
|
class AsyncExclamationPipe {
|
|
Future<dynamic> handle(String input, Function next) async {
|
|
await Future.delayed(Duration(seconds: 1));
|
|
return next('$input!');
|
|
}
|
|
}
|
|
|
|
void main() async {
|
|
var app = Application(reflector: MirrorsReflector());
|
|
var http = PlatformHttp(app);
|
|
|
|
app.container.registerSingleton((c) => Pipeline(c));
|
|
|
|
app.get('/', (req, res) async {
|
|
var pipeline = app.container.make<Pipeline>();
|
|
var result = await pipeline
|
|
.send('World')
|
|
.through(['AsyncGreetingPipe', 'AsyncExclamationPipe']).then(
|
|
(result) => result.toUpperCase());
|
|
|
|
res.write(result); // Outputs: "HELLO, WORLD!" (after 2 seconds)
|
|
});
|
|
|
|
await http.startServer('localhost', 3000);
|
|
print('Server started on http://localhost:3000');
|
|
}
|