Method isEmpty

lib/LazyBarrel.js:124–126

* Returns whether nothing is deferred. * @returns {boolean} true, when no dependency is deferred

()

	 * @returns {boolean} true, when no dependency is deferred
	 */
	isEmpty() {
		return this._requestToDepGroup.size === 0;
	}

	/**
	 * Drops the export-name lookups once no group stays deferred; they only serve