@bigfishtv/cockpit/es/utils/timeUtils.js

/**
 * Time Utilities
 * @module Utilities/timeUtils
 */

import moment from 'moment';

var cleanDateFormat = 'MMM Do, YYYY h:mm a';

export function extractDateAndTime(dateTime) {
  var splitDate = dateTimeRegex.exec(dateTime);
  return [splitDate[1], splitDate[2]];
}

/**
 * Takes datetime string and returns humanized time e.g. 7 days ago, 3 minutes ago
 * @param  {String} dateTime
 * @return {string} - returns humanized time string
 */
export function fromNow(dateTime) {
  if (!moment(dateTime).isValid()) return '';
  return moment(dateTime).fromNow();
}

/**
 * Same as fromNow but limited to days
 * @param {String} dateTime
 * @return {String} - returns humanized time string
 */
export function daysFromNow(dateTime) {
  if (!moment(dateTime).isValid()) return '';
  return moment().diff(moment(dateTime), 'days');
}

/**
 * Checks if time is in range
 * @param {String|MomentType} startTime
 * @param {String|MomentType} endTime
 * @param {String|MomentType} currentTime
 * @return {Boolean}
 */
export function inTimeRange(startTime, endTime) {
  var currentTime = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;

  if (!currentTime) currentTime = moment();else if (typeof currentTime == 'string') currentTime = moment(currentTime);
  if (!startTime && !endTime) return true;
  if (startTime && !endTime) return moment(startTime).isBefore(currentTime);
  if (!startTime && endTime) return moment(endTime).isAfter(currentTime);
  if (startTime && endTime) return moment(startTime).isBefore(currentTime) && moment(endTime).isAfter(currentTime);
}

/**
 * Takes arbitrary dateTime string and returns it formatted a specific way
 * @param  {String} dateTime
 * @param  {String} momentFormat
 * @return {string}
 */
export function formatDate(dateTime) {
  var momentFormat = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : cleanDateFormat;

  if (!moment(dateTime).isValid()) return dateTime;
  return moment(dateTime).format(momentFormat);
}

/**
 * Takes a start and end datetime string (and optional format string) and returns a formatted date range string
 * @param  {String} start  datetime format start
 * @param  {String} end    datetime format end
 * @param  {String} format format string (default = 'MMMM Do, h:mm a')
 * @return {String}
 */
export function getTimeRange(start, end) {
  var momentFormat = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : cleanDateFormat;

  var startMoment = moment(start);
  var endMoment = moment(end);
  if (!startMoment.isValid() || !endMoment.isValid()) return null;

  var sameDate = startMoment.format('MMMM Do YYYY') === endMoment.format('MMMM Do YYYY');

  return startMoment.format(momentFormat) + ' - ' + (sameDate ? endMoment.format('h:mm a') : endMoment.format(momentFormat));
}