debounce

debounce.js

function doAThing(a) {
	console.log('aaaa', a);
}

function doBThing(a, b) {
	console.log('bbb', a, b);
}

// var timeoutdebounce

/**
 * the debounce callback takes in account the event parameter from the listener
 * 
 * @param {callable} callback method executed once timeout finishes
 * @param {int} delay amount of milliseconds before timoeut finishes
 * @returns callable
 */
function debounce(callback, delay) {
	if (typeof delay === 'undefined') {
		delay = 300
	}

	return (function (...e) {
		var exec = function () {
			callback.timeoutdebounce = null
			callback(...e)
		}

		clearTimeout(callback.timeoutdebounce)
		callback.timeoutdebounce = setTimeout(exec, delay)
	})
}

debounce(doAThing, 300)(1)
debounce(doBThing, 300)(2, 3)
debounce(doAThing, 300)(3)
debounce(doBThing, 300)(4, 5)
debounce(doAThing, 300)(5)