openproject/app/assets/javascripts/angular/directives/components/execute-on-enter-directive.js

angular.module('openproject.uiComponents')

.constant('ENTER_KEY', 13)
.directive('executeOnEnter', ['ENTER_KEY', function(ENTER_KEY) {
  return {
    restrict: 'A',
    scope: { executeOnEnter: '&' },
    link: function(scope, element) {
      element.on('keydown', function(event) {
        if(event.which === ENTER_KEY) {
          event.preventDefault();
          scope.executeOnEnter();
        }
      });
    }
  };
}]);