Method isLazy

lib/serialization/SerializerMiddleware.js:94–98

* Checks whether this serializer middleware is lazy. * @template {LazyTarget} TLazyTarget * @param {EXPECTED_ANY} fn lazy function * @param {TLazyTarget=} target target middleware * @returns {fn is LazyFunction<EXPECTED_ANY, EXPECTED_ANY, TLazyTarget, EXPECTED_ANY>} true, when fn is a lazy f

(fn, target)

	 * @returns {fn is LazyFunction<EXPECTED_ANY, EXPECTED_ANY, TLazyTarget, EXPECTED_ANY>} true, when fn is a lazy function (optionally of that target)
	 */
	static isLazy(fn, target) {
		if (typeof fn !== "function") return false;
		const t = fn[LAZY_TARGET];
		return target ? t === target : Boolean(t);
	}

	/**
	 * Returns options.