Function createEventDirective

test/angular/1.7/angular.js:28942–28972

($parse, $rootScope, $exceptionHandler, directiveName, eventName, forceAsync)

);

function createEventDirective($parse, $rootScope, $exceptionHandler, directiveName, eventName, forceAsync) {
  return {
    restrict: 'A',
    compile: function($element, attr) {
      // NOTE:
      // We expose the powerful `$event` object on the scope that provides access to the Window,
      // etc. This is OK, because expressions are not sandboxed any more (and the expression
      // sandbox was never meant to be a security feature anyway).
      var fn = $parse(attr[directiveName]);
      return function ngEventHandler(scope, element) {
        element.on(eventName, function(event) {
          var callback = function() {
            fn(scope, {$event: event});
          };

          if (!$rootScope.$$phase) {
            scope.$apply(callback);
          } else if (forceAsync) {
            scope.$evalAsync(callback);
          } else {
            try {
              callback();
            } catch (error) {
              $exceptionHandler(error);
            }
          }
        });
      };
    }
  };
}

/**
 * @ngdoc directive