Angular directive for bootstrap-switch | http://www.bootstrap-switch.org/

bootstrapSwitch.js

    .directive('bootstrapSwitch', [
        function() {
            return {
                restrict: 'A',
                require: '?ngModel',
                link: function(scope, element, attrs, ngModel) {
                    element.bootstrapSwitch();

                    element.on('switchChange.bootstrapSwitch', function(event, state) {
                        if (ngModel) {
                            scope.$apply(function() {
                                ngModel.$setViewValue(state);
                            });
                        }
                    });

                    scope.$watch(attrs.ngModel, function(newValue, oldValue) {
                        if (newValue) {
                            element.bootstrapSwitch('state', true, true);
                        } else {
                            element.bootstrapSwitch('state', false, true);
                        }
                    });
                }
            };
        }
    ]);