eui-or-filter not watching about elasticui HOT 3 OPEN

module elasticui.controllers {
    export class OrFilterController {
        public filters = new util.FilterCollection();
        private name: any;
        private scope: any;

        static $inject = ['$scope', '$rootScope'];
        constructor($scope: any, $rootScope: any){
            $scope.$watch('aggregation.agg', () => {
                this.name = Object.keys($scope.aggregation.agg.toJSON())[0];

                if ($rootScope[this.name]) {
                    $scope.filters = $rootScope[this.name];
                } else {
                    $scope.filters = this.filters;
                    $rootScope[this.name] = this.filters;
                }
            });

            $scope.$watchCollection('filters.ejsObjects', () => this.updateCombinedFilter());

            this.scope = $scope;
        }

        private updateCombinedFilter() {
            if (this.scope.combinedFilter) {
                this.scope.$parent.filters.remove(this.scope.combinedFilter);
            }

            this.scope.combinedFilter = this.filters.getAsORFilter();
            if (this.scope.combinedFilter) {
                this.scope.$parent.filters.add(this.scope.combinedFilter);
            }
        }
    }
}