iflrandevu/assets/js/utils/date.js

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/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) Alex Tselegidis
* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
* @link https://easyappointments.org
* @since v1.5.0
* ---------------------------------------------------------------------------- */
window.App.Utils.Date = (function () {
/**
* Format a YYYY-MM-DD HH:mm:ss date string.
*
* @param {String} dateValue The date string to be formatted.
* @param {String} [dateFormatType] The date format type value ("DMY", "MDY" or "YMD").
* @param {String} [timeFormatType] The time format type value ("regular", "military").
* @param {Boolean} [withHours] Whether to add hours to the returned string.
* @return {String} Returns the formatted string.
*/
function format(dateValue, dateFormatType = 'YMD', timeFormatType = 'regular', withHours = false) {
const dateMoment = moment(dateValue);
if (!dateMoment.isValid()) {
throw new Error(`Invalid date value provided: ${dateValue}`);
}
let dateFormat;
switch (dateFormatType) {
case 'DMY':
dateFormat = 'DD/MM/YYYY';
break;
case 'MDY':
dateFormat = 'MM/DD/YYYY';
break;
case 'YMD':
dateFormat = 'YYYY/MM/DD';
break;
default:
throw new Error(`Invalid date format type provided: ${dateFormatType}`);
}
let timeFormat;
switch (timeFormatType) {
case 'regular':
timeFormat = 'h:mm a';
break;
case 'military':
timeFormat = 'HH:mm';
break;
default:
throw new Error(`Invalid time format type provided: ${timeFormatType}`);
}
const format = withHours ? `${dateFormat} ${timeFormat}` : dateFormat;
return dateMoment.format(format);
}
/**
* Get the Id of a Weekday using the US week format and day names (Sunday=0) as used in the JS code of the
* application, case-insensitive, short and long names supported.
*
* @param {String} weekDayName The weekday name among Sunday, Monday, Tuesday, Wednesday, Thursday, Friday,
* Saturday.
* @return {Number} Returns the ID of the weekday.
*/
function getWeekdayId(weekDayName) {
let result;
switch (weekDayName.toLowerCase()) {
case 'sunday':
case 'sun':
result = 0;
break;
case 'monday':
case 'mon':
result = 1;
break;
case 'tuesday':
case 'tue':
result = 2;
break;
case 'wednesday':
case 'wed':
result = 3;
break;
case 'thursday':
case 'thu':
result = 4;
break;
case 'friday':
case 'fri':
result = 5;
break;
case 'saturday':
case 'sat':
result = 6;
break;
default:
throw new Error(`Invalid weekday name provided: ${weekDayName}`);
}
return result;
}
/**
* Sort a dictionary where keys are weekdays
*
* @param {Object} weekDictionary A dictionary with weekdays as keys.
* @param {Number} startDayId Id of the first day to start sorting (From 0 for sunday to 6 for saturday).
* @return {Object} Returns a sorted dictionary
*/
function sortWeekDictionary(weekDictionary, startDayId) {
const sortedWeekDictionary = {};
for (let i = startDayId; i < startDayId + 7; i++) {
const weekdayName = getWeekdayName(i % 7);
sortedWeekDictionary[weekdayName] = weekDictionary[weekdayName];
}
return sortedWeekDictionary;
}
/**
* Get the name in lowercase of a Weekday using its Id.
*
* @param {Number} weekDayId The Id (From 0 for sunday to 6 for saturday).
* @return {String} Returns the name of the weekday.
*/
function getWeekdayName(weekDayId) {
let result;
switch (weekDayId) {
case 0:
result = 'sunday';
break;
case 1:
result = 'monday';
break;
case 2:
result = 'tuesday';
break;
case 3:
result = 'wednesday';
break;
case 4:
result = 'thursday';
break;
case 5:
result = 'friday';
break;
case 6:
result = 'saturday';
break;
default:
throw new Error(`Invalid weekday Id provided: ${weekDayId}`);
}
return result;
}
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return {
format,
getWeekdayId,
sortWeekDictionary,
getWeekdayName
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};
})();