amazon-cognito-identity-js/src/DateHelper.js

/*!
 * Copyright 2016 Amazon.com,
 * Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Amazon Software License (the "License").
 * You may not use this file except in compliance with the
 * License. A copy of the License is located at
 *
 *     http://aws.amazon.com/asl/
 *
 * or in the "license" file accompanying this file. This file is
 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, express or implied. See the License
 * for the specific language governing permissions and
 * limitations under the License.
 */

const monthNames = [
	'Jan',
	'Feb',
	'Mar',
	'Apr',
	'May',
	'Jun',
	'Jul',
	'Aug',
	'Sep',
	'Oct',
	'Nov',
	'Dec',
];
const weekNames = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];

/** @class */
export default class DateHelper {
	/**
	 * @returns {string} The current time in "ddd MMM D HH:mm:ss UTC YYYY" format.
	 */
	getNowString() {
		const now = new Date();

		const weekDay = weekNames[now.getUTCDay()];
		const month = monthNames[now.getUTCMonth()];
		const day = now.getUTCDate();

		let hours = now.getUTCHours();
		if (hours < 10) {
			hours = `0${hours}`;
		}

		let minutes = now.getUTCMinutes();
		if (minutes < 10) {
			minutes = `0${minutes}`;
		}

		let seconds = now.getUTCSeconds();
		if (seconds < 10) {
			seconds = `0${seconds}`;
		}

		const year = now.getUTCFullYear();

		// ddd MMM D HH:mm:ss UTC YYYY
		const dateNow = `${weekDay} ${month} ${day} ${hours}:${minutes}:${seconds} UTC ${year}`;

		return dateNow;
	}
}