throttle function

dynamic throttle(Function callback, int interval)

throttle high order function.

This function accept a callback function and a interval in miliseconds unit.

It is a dart implementation of throttle, see more details on:

• https://programmingwithmosh.com/javascript/javascript-throttle-and-debounce-patterns/
• https://www.telerik.com/blogs/debouncing-and-throttling-in-javascript

Implementation

dynamic throttle(Function callback, int interval) {
  var enableCall = true;
  return VarArgsFunction((List<dynamic> positionalArguments,
      [Map<Symbol, dynamic>? namedArguments]) {
    if (!enableCall) return;
    enableCall = false;
    Function.apply(callback, positionalArguments, namedArguments);
    Future.delayed(Duration(milliseconds: interval), () => enableCall = true);
  });
}