Created
July 15, 2024 14:32
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BadFL Example Code (helper/throttle)
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| import 'dart:async'; | |
| class BadThrottler { | |
| /// default action to be called when the throttler is called without a action | |
| final FutureOr<void> Function()? defaultAction; | |
| bool _running = false; | |
| BadThrottler({this.defaultAction}); | |
| Future<void> call([FutureOr<void> Function()? action]) async { | |
| if (_running) return; | |
| assert( | |
| action != null || defaultAction != null, | |
| 'can only call throttler without action when defaultAction is provided', | |
| ); | |
| _running = true; | |
| await (action ?? defaultAction)!(); | |
| _running = false; | |
| } | |
| } | |
| void main() async { | |
| final throttler = BadThrottler(defaultAction: () async { | |
| await Future.delayed(const Duration(milliseconds: 500)); | |
| print('default action'); | |
| }); | |
| // call the default action | |
| throttler(); | |
| // this call will be ignored | |
| throttler(() async { | |
| print('hello'); | |
| }); | |
| // call with a custom action | |
| await Future.delayed(const Duration(seconds: 1)); | |
| throttler(() async { | |
| print('hello again'); | |
| }); | |
| } | |
| // Output: | |
| // default action | |
| // hello again |
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