fix(dateParser): handle cases where baseDate is an Invalid Date

src/dateparser/dateparser.js

@@ -124,7 +124,8 @@ angular.module('ui.bootstrap.dateparser', [])
         results = input.match(regex);
 
     if ( results && results.length ) {
-      var fields, dt;
+      var defaultFields = { year: 1900, month: 0, date: 1, hours: 0, minutes: 0, seconds: 0, milliseconds: 0 },
+          fields = {}, dt;
       if (baseDate) {
         fields = {
           year: baseDate.getFullYear(),
@@ -135,9 +136,10 @@ angular.module('ui.bootstrap.dateparser', [])
           seconds: baseDate.getSeconds(),
           milliseconds: baseDate.getMilliseconds()
         };
-      } else {
-        fields = { year: 1900, month: 0, date: 1, hours: 0, minutes: 0, seconds: 0, milliseconds: 0 };
       }
+      angular.forEach(defaultFields, function (v, k) {
+        fields[k] = fields[k] || v;
+      });
 
       for( var i = 1, n = results.length; i < n; i++ ) {
         var mapper = map[i-1];

src/dateparser/test/dateparser.spec.js

@@ -125,6 +125,12 @@ describe('date parser', function () {
       expectParse('22.March.15.22:33:4', 'd.MMMM.yy.HH:mm:s', new Date(2015, 2, 22, 22, 33, 4));
       expectParse('22.March.15.22:3:4', 'd.MMMM.yy.HH:m:s', new Date(2015, 2, 22, 22, 3, 4));
     });
+
+    it('should work when baseDate is an Invalid Date object', function () {
+      var baseDate = new Date('28/11/198'); // value of the input field just before entering last digit
+      var parsed = dateParser.parse('28/11/1986', 'dd/MM/yyyy', baseDate);
+      expect(parsed).toEqual(new Date(1986, 10, 28));
+    });
   });
 
   describe('with predefined formats', function() {