24 lines
505 B
Dart
24 lines
505 B
Dart
// #docregion
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import 'package:angular2/core.dart';
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import 'logger_service.dart';
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int _nextId = 1;
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// #docregion spy-directive
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// Spy on any element to which it is applied.
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// Usage: <div mySpy>...</div>
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@Directive(selector: '[mySpy]')
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class Spy implements OnInit, OnDestroy {
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final LoggerService _logger;
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Spy(this._logger);
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ngOnInit() => _logIt('onInit');
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ngOnDestroy() => _logIt('onDestroy');
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_logIt(String msg) => _logger.log('Spy #${_nextId++} $msg');
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}
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// #enddocregion spy-directive
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