import EventEmitter from 'event-emitter' 

var eventEmitter = EventEmitter({});

var generateId = (function () {

		var cpt = 0;

		var defautPrefix = "item_"; 

		return function (prefix) {

			prefix = (typeof prefix === "string") ? prefix : defautPrefix;

			cpt = cpt + 1;

			return prefix + cpt; 

		}

	}());

export { generateId , eventEmitter }