/**
- * @file
- * Timezone detection.
- */
+* DO NOT EDIT THIS FILE.
+* See the following change record for more information,
+* https://www.drupal.org/node/2815083
+* @preserve
+**/
(function ($, Drupal) {
-
- 'use strict';
-
- /**
- * Set the client's system time zone as default values of form fields.
- *
- * @type {Drupal~behavior}
- */
Drupal.behaviors.setTimezone = {
- attach: function (context, settings) {
+ attach: function attach(context, settings) {
var $timezone = $(context).find('.timezone-detect').once('timezone');
if ($timezone.length) {
var dateString = Date();
- // In some client environments, date strings include a time zone
- // abbreviation, between 3 and 5 letters enclosed in parentheses,
- // which can be interpreted by PHP.
+
var matches = dateString.match(/\(([A-Z]{3,5})\)/);
var abbreviation = matches ? matches[1] : 0;
- // For all other client environments, the abbreviation is set to "0"
- // and the current offset from UTC and daylight saving time status are
- // used to guess the time zone.
var dateNow = new Date();
var offsetNow = dateNow.getTimezoneOffset() * -60;
- // Use January 1 and July 1 as test dates for determining daylight
- // saving time status by comparing their offsets.
var dateJan = new Date(dateNow.getFullYear(), 0, 1, 12, 0, 0, 0);
var dateJul = new Date(dateNow.getFullYear(), 6, 1, 12, 0, 0, 0);
var offsetJan = dateJan.getTimezoneOffset() * -60;
var offsetJul = dateJul.getTimezoneOffset() * -60;
- var isDaylightSavingTime;
- // If the offset from UTC is identical on January 1 and July 1,
- // assume daylight saving time is not used in this time zone.
+ var isDaylightSavingTime = void 0;
+
if (offsetJan === offsetJul) {
isDaylightSavingTime = '';
- }
- // If the maximum annual offset is equivalent to the current offset,
- // assume daylight saving time is in effect.
- else if (Math.max(offsetJan, offsetJul) === offsetNow) {
- isDaylightSavingTime = 1;
- }
- // Otherwise, assume daylight saving time is not in effect.
- else {
- isDaylightSavingTime = 0;
- }
+ } else if (Math.max(offsetJan, offsetJul) === offsetNow) {
+ isDaylightSavingTime = 1;
+ } else {
+ isDaylightSavingTime = 0;
+ }
- // Submit request to the system/timezone callback and set the form
- // field to the response time zone. The client date is passed to the
- // callback for debugging purposes. Submit a synchronous request to
- // avoid database errors associated with concurrent requests
- // during install.
var path = 'system/timezone/' + abbreviation + '/' + offsetNow + '/' + isDaylightSavingTime;
$.ajax({
async: false,
url: Drupal.url(path),
- data: {date: dateString},
+ data: { date: dateString },
dataType: 'json',
- success: function (data) {
+ success: function success(data) {
if (data) {
$timezone.val(data);
}
}
}
};
-
-})(jQuery, Drupal);
+})(jQuery, Drupal);
\ No newline at end of file