update compiled source

Author: Bart van den Ende

lib/focus.directive.js

@@ -100,8 +100,8 @@ var FocusElement = /** @class */ (function () {
                 catch (e) { }
             }
         }
-        // set 'native' browser focus on input elements
-        if (this.$el && (this.$el.nodeName === "INPUT" || this.$el.nodeName === "TEXTAREA"))
+        // set 'native' browser focus on input elements and focusable elements.
+        if (this.$el && (this.$el.tabIndex !== -1 || this.$el.nodeName === "INPUT" || this.$el.nodeName === "TEXTAREA"))
             this.$el.focus();
     };
     // remove focus from element
@@ -258,7 +258,7 @@ exports.default = {
                 "enter": 13
             };
         }
-        exports.navigationService = new navigation_service_1.NavigationService(options.keyCodes);
+        exports.navigationService = (options.navigationService) ? new options.navigationService(options.keyCodes) : new navigation_service_1.NavigationService(options.keyCodes);
         Vue.directive("focus", {
             // directive lifecycle
             bind: function (el, binding, vnode) {