make angular.String.toDate consider all time fractions as optional

3 files changed, 22 insertions, 3 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index af06e98d..5b4f21d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ### Api
 - date filter now accepts strings that angular.String.toDate can convert to Date objects
+- angular.String.toDate supports ISO8061 formated strings with all time fractions being optional
 
 ### Breaking changes
 - we now support ISO 8601 extended format datetime strings (YYYY-MM-DDTHH:mm:ss.SSSZ) as defined
diff --git a/src/apis.js b/src/apis.js
index f8deb6ae..a9a9379d 100644
--- a/src/apis.js
+++ b/src/apis.js
@@ -177,6 +177,8 @@ var angularArray = {
   }
 };
 
+var R_ISO8061_STR = /^(\d{4})-(\d\d)-(\d\d)(?:T(\d\d)(?:\:(\d\d)(?:\:(\d\d)(?:\.(\d{3}))?)?)?Z)?$/
+
 var angularString = {
   'quote':function(string) {
     return '"' + string.replace(/\\/g, '\\\\').
@@ -210,11 +212,10 @@ var angularString = {
    */
   'toDate':function(string){
     var match;
-    if (typeof string == 'string' &&
-        (match = string.match(/^(\d{4})-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)\.(\d{3})Z$/))){
+    if (isString(string) && (match = string.match(R_ISO8061_STR))){
       var date = new Date(0);
       date.setUTCFullYear(match[1], match[2] - 1, match[3]);
-      date.setUTCHours(match[4], match[5], match[6], match[7]);
+      date.setUTCHours(match[4]||0, match[5]||0, match[6]||0, match[7]||0);
       return date;
     }
     return string;
diff --git a/test/ApiSpecs.js b/test/ApiSpecs.js
index 344cf5da..81fd9155 100644
--- a/test/ApiSpecs.js
+++ b/test/ApiSpecs.js
@@ -190,8 +190,25 @@ describe('api', function(){
   });
 
   it('UTCtoDate', function(){
+    //full ISO8061
     expect(angular.String.toDate("2003-09-10T13:02:03.000Z")).
       toEqual(new Date("Sep 10 2003 13:02:03 GMT"));
+
+    //no millis
+    expect(angular.String.toDate("2003-09-10T13:02:03Z")).
+      toEqual(new Date("Sep 10 2003 13:02:03 GMT"));
+
+    //no seconds
+    expect(angular.String.toDate("2003-09-10T13:02Z")).
+      toEqual(new Date("Sep 10 2003 13:02:00 GMT"));
+
+    //no minutes
+    expect(angular.String.toDate("2003-09-10T13Z")).
+      toEqual(new Date("Sep 10 2003 13:00:00 GMT"));
+
+    //no time
+    expect(angular.String.toDate("2003-09-10")).
+      toEqual(new Date("Sep 10 2003 00:00:00 GMT"));
   });
 
   it('StringFromUTC', function(){