debounce_throttle 2.0.0 
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Published 4 years ago • 
defylogic.dev
defylogic.devA debouncer and throttle that works with Futures, Streams, and callbacks.
debounce_throttle #
A debouncer and throttle that works with Future, Stream, and callbacks.
| Class | Purpose |
|---|---|
Debouncer |
Wait for changes to stop before notifying. |
Throttle |
Notifies once per Duration for a value that keeps changing. |
Usage #
final debouncer = Debouncer<String>(Duration(milliseconds: 200));
// Run a search whenever the user pauses while typing.
textEditingController.addListener(() => debouncer.value = textEditingController.text);
debouncer.values.listen((search) => submitSearch(search));
final throttle = Throttle<double>(Duration(milliseconds: 100));
// Limit being notified of continuous sensor data.
sensor.addListener(throttle.setValue);
throttle.values.listen((data) => print('$data'));
example/main.dart output #
Tick : ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Changed : ----------- - -- - - - -- - - - - - - - --- - - - - - - - - - - - -- - - - - - - -- - -- --- - - - - - - - - -
Debounced: D D D D D D D D D D D D D D D D D D D D D D D D D D D
Throttled: T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T
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Metadata
A debouncer and throttle that works with Futures, Streams, and callbacks.
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License
MIT (license)
