Fixed timezone calculation for birthday input

diff --git a/wcfsetup/install/files/js/WoltLabSuite/Core/Date/Picker.js b/wcfsetup/install/files/js/WoltLabSuite/Core/Date/Picker.js
index b816eb7c815fac6a16935fbe0c488dac4e3a6bdc..f85a8521b01fc3eaffcb32d037e6db4532096f2f 100644 (file)
--- a/wcfsetup/install/files/js/WoltLabSuite/Core/Date/Picker.js
+++ b/wcfsetup/install/files/js/WoltLabSuite/Core/Date/Picker.js
@@ -51,6 +51,7 @@ define(['DateUtil', 'Language', 'ObjectMap', 'Dom/ChangeListener', 'Ui/Alignment
                                var isTimeOnly = (isDateTime && elDataBool(element, 'time-only'));
                                var disableClear = elDataBool(element, 'disable-clear');
                                var ignoreTimezone = isDateTime && elDataBool(element, 'ignore-timezone');
+                               var isBirthday = element.classList.contains('birthday');
                                
                                elData(element, 'is-date-time', isDateTime);
                                elData(element, 'is-time-only', isTimeOnly);
@@ -64,17 +65,22 @@ define(['DateUtil', 'Language', 'ObjectMap', 'Dom/ChangeListener', 'Ui/Alignment
                                                date.setHours(tmp[0], tmp[1]);
                                        }
                                        else {
-                                               if (ignoreTimezone) {
+                                               if (ignoreTimezone || isBirthday) {
                                                        var timezoneOffset = new Date(value).getTimezoneOffset();
                                                        var timezone = (timezoneOffset > 0) ? '-' : '+'; // -120 equals GMT+0200
                                                        timezoneOffset = Math.abs(timezoneOffset);
                                                        var hours = (Math.floor(timezoneOffset / 60)).toString();
                                                        var minutes = (timezoneOffset % 60).toString();
-                                                       timezone += (hours.length == 2) ? hours : '0' + hours;
+                                                       timezone += (hours.length === 2) ? hours : '0' + hours;
                                                        timezone += ':';
-                                                       timezone += (minutes.length == 2) ? minutes : '0' + minutes;
+                                                       timezone += (minutes.length === 2) ? minutes : '0' + minutes;
                                                        
-                                                       value = value.replace(/[+-][0-9]{2}:[0-9]{2}$/, timezone);
+                                                       if (isBirthday) {
+                                                               value += 'T00:00:00' + timezone;
+                                                       }
+                                                       else {
+                                                               value = value.replace(/[+-][0-9]{2}:[0-9]{2}$/, timezone);
+                                                       }
                                                }
                                                
                                                date = new Date(value);
@@ -88,7 +94,7 @@ define(['DateUtil', 'Language', 'ObjectMap', 'Dom/ChangeListener', 'Ui/Alignment
                                var isEmpty = (value.length === 0);
                                
                                // handle birthday input
-                               if (element.classList.contains('birthday')) {
+                               if (isBirthday) {
                                        elData(element, 'min-date', '120');
                                        
                                        // do not use 'now' here, all though it makes sense, it causes bad UX