From fccf1d09138f750018719f596a70ec603912c7e1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Wed, 10 Feb 2016 18:21:18 +0100
Subject: [PATCH] js: don't change invalid date into browser epoch (like
 31/12/1899) (#9933)

---
 wcs/qommon/static/js/bootstrap-datetimepicker.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/wcs/qommon/static/js/bootstrap-datetimepicker.js b/wcs/qommon/static/js/bootstrap-datetimepicker.js
index a84db5e..d528581 100644
--- a/wcs/qommon/static/js/bootstrap-datetimepicker.js
+++ b/wcs/qommon/static/js/bootstrap-datetimepicker.js
@@ -301,6 +301,9 @@
         },
 
         setValue: function() {
+            if (this.date == null) {
+                return;
+            }
             var formatted = this.getFormattedDate();
             if (!this.isInput) {
                 if (this.component){
@@ -1203,6 +1206,9 @@
                     d: function(d,v){ return d.setUTCDate(v); }
                 },
                 val, filtered, part;
+            if (date.toString() === new Date(0, 0, 0, 0, 0, 0).toString()) {
+                return null;
+            }
             setters_map['M'] = setters_map['MM'] = setters_map['mm'] = setters_map['m'];
             setters_map['dd'] = setters_map['d'];
             date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds());
-- 
2.7.0