Ladda bootstrap integration with Angular

gistfile1.js

angular.module('uiElements', []).directive('ikiLadda', [function () {


    if (typeof Ladda === 'undefined') {
        throw new Error('Ladda Library Missing');
        // Ladda also depends on Spinner and it will throw error if that library is not present.
    }

    return {

        restrict: 'A',
        scope: {
            showLoader: '=laddaWatch'
        },
        link: function (scope, elem) {

            var l = Ladda.create(elem[0]);

            scope.$watch('showLoader', function (newValue, oldValue) {

                if (newValue !== oldValue) {
                    if (newValue) {
                        l.start();
                    }
                    else {
                        l.stop();
                    }
                }
            })
        }
    }

}]);