dlueth/qoopido.nucleus

(function(setTimeout) {
    'use strict';

    function definition() {
        return function functionDebounce(fn, delay, immediate) {
            var timeout;

            function debounced() {
                var context   = this,
                        parameter = arguments,
                        call      = immediate && !timeout;

                function execute() {
                    debounced.cancel();

                    !immediate && fn.apply(context, parameter);
                }

                debounced.cancel();

                timeout = setTimeout(execute, parseInt(delay, 10) || 200);

                call && fn.apply(context, parameter);
            }

            debounced.cancel = function() {
                timeout = clearTimeout(timeout);
            };

            return debounced;
        };
    }

    provide(definition);
}(setTimeout));