Angular 1.x directive to focus on an input

focusDirective.js

(function (angular) {

    "use strict";

    focusElemDirective.$inject = ['$timeout', '$parse'];

    function focusElemDirective($timeout, $parse) {
        return {
            link: function (scope, element, attrs) {
                var input = $parse(attrs.focusElem);
                scope.$watch(input, function (value) {
                    if (value) {
                        $timeout(function () {
                            element[0].focus();
                        });
                    }
                });
                // on blur:
                element.bind('blur', function () {
                    scope.$apply(input.assign(scope, false));
                });
            }
        };
    }

    angular.module("Shared.Directives")
        .directive("focusElem", focusElemDirective);

})(angular);