Execute function when pressing enter

ng-enter.js

angular.module('moduleName')
    .directive('ngEnter', function () {
      return {
        scope: {
          ngEnter: '&'
        },
        link: function ($scope, $element) {
          $element.bind("keydown keypress", function (event) {
            if (event.which === 13) {
              $scope.ngEnter();
              event.preventDefault();
            }
          });
        }
      }
    });