Source: debounce/debounce.es.js

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

/**
 * Debounces function execution.
 * @param {!function()} fn
 * @param {number} delay
 * @return {!function()}
 */
function debounce(fn, delay) {
	return function debounced() {
		const args = arguments;
		cancelDebounce(debounced);
		debounced.id = setTimeout(() => {
			fn(...args);
		}, delay);
	};
}

/**
 * Cancels the scheduled debounced function.
 * @param {function()} debounced
 */
function cancelDebounce(debounced) {
	clearTimeout(debounced.id);
}

export default debounce;
export {cancelDebounce, debounce};