feat(dateparser): add support for the h format

- Adds support for the `h` format

Closes #4220

Author: JonathanGawrych

Diff for: src/dateparser/dateparser.js

@@ -61,6 +61,10 @@ angular.module('ui.bootstrap.dateparser', [])
       regex: '1?[0-9]|2[0-3]',
       apply: function(value) { this.hours = +value; }
     },
+    'h': {
+      regex: '[0-9]|1[0-2]',
+      apply: function(value) { this.hours = +value; }
+    },
     'mm': {
       regex: '[0-5][0-9]',
       apply: function(value) { this.minutes = +value; }

Diff for: src/dateparser/test/dateparser.spec.js

@@ -86,6 +86,14 @@ describe('date parser', function() {
       expectParse('11-08-13 23', 'd-MM-yy H', new Date(2013, 7, 11, 23));
     });
 
+    it('should work correctly for `h`', function() {
+      expectParse('22.March.15.12', 'd.MMMM.yy.h', new Date(2015, 2, 22, 12));
+      expectParse('8-March-1991-11', 'd-MMMM-yyyy-h', new Date(1991, 2, 8, 11));
+      expectParse('February/5/1980/0', 'MMMM/d/yyyy/h', new Date(1980, 1, 5, 0));
+      expectParse('1955/February/5 3', 'yyyy/MMMM/d h', new Date(1955, 1, 5, 3));
+      expectParse('11-08-13 3', 'd-MM-yy h', new Date(2013, 7, 11, 3));
+    });
+
     it('should work correctly for `mm`', function() {
       expectParse('22.March.15.22', 'd.MMMM.yy.mm', new Date(2015, 2, 22, 0, 22));
       expectParse('8-March-1991-59', 'd-MMMM-yyyy-mm', new Date(1991, 2, 8, 0, 59));