@schukai/monster/source/util/processing/callback.mjs

Monster is a simple library for creating fast, robust and lightweight websites.

/**
 * Copyright © Volker Schukai and all contributing authors, {{copyRightYear}}. All rights reserved.
 * Node module: @schukai/monster
 *
 * This source code is licensed under the GNU Affero General Public License version 3 (AGPLv3).
 * The full text of the license can be found at: https://www.gnu.org/licenses/agpl-3.0.en.html
 *
 * For those who do not wish to adhere to the AGPLv3, a commercial license is available.
 * Acquiring a commercial license allows you to use this software without complying with the AGPLv3 terms.
 * For more information about purchasing a commercial license, please contact Volker Schukai.
 *
 * SPDX-License-Identifier: AGPL-3.0
 */

import { internalSymbol } from "../../constants.mjs";
import { getGlobalFunction } from "../../types/global.mjs";
import { validateFunction, validateInteger } from "../../types/validate.mjs";

export { Callback };

/**
 * @private
 */
class Callback {
	/**
	 *
	 * @param {function} callback
	 * @param {int|undefined} time
	 * @throws {TypeError} value is not a function
	 * @throws {TypeError} value is not an integer
	 * @private
	 */
	constructor(callback, time) {
		this[internalSymbol] = {
			callback: validateFunction(callback),
			time: validateInteger(time ?? 0),
		};
	}

	/**
	 * @private
	 * @param  {*} data
	 * @return {Promise}
	 */
	run(data) {
		return new Promise((resolve, reject) => {
			getGlobalFunction("setTimeout")(() => {
				try {
					resolve(this[internalSymbol].callback(data));
				} catch (e) {
					reject(e);
				}
			}, this[internalSymbol].time);
		});
	}
}