Function close

test/WatchClose.test.js:52–60

* @param {import("../").Watching} watcher watcher * @param {(err?: null | Error) => void} callback callback * @returns {Promise<void>}

(watcher, callback)

		 * @returns {Promise<void>}
		 */
		function close(watcher, callback) {
			return new Promise((res) => {
				const onClose = () => {
					callback();
					res();
				};
				watcher.close(onClose);
			});
		}

		it("each callback should be called", async () => {
			let num = 0;