Add timeutils helper.

src/utils/TimeUtils.js

@@ -0,0 +1,20 @@
+export default {
+    timeFormat: function (duration) {
+        var pad = function (num, size) {
+            return ("000" + num).slice(size * -1);
+        };
+
+        var time = parseFloat(duration).toFixed(3),
+            hours = Math.floor(time / 60 / 60),
+            minutes = Math.floor(time / 60) % 60,
+            seconds = Math.floor(time - minutes * 60);
+
+        var str = "";
+
+        if (hours > 0) str += pad(hours, 2) + ":";
+
+        str += pad(minutes, 2) + ":" + pad(seconds, 2);
+
+        return str;
+    }
+}