AngularJS socket.io 具有延迟承诺的事件转发



我正在使用angular-socket-io,但在启动 socket.io 界面之前,需要一种先在应用程序中进行身份验证的方法。我遵循了这种方法。

但是我需要在工厂中使用事件转发,如下所示:

socket.forward("event");

如何在工厂中添加转发?

.factory('socket', function($rootScope, $timeout, socketFactory, $q, $log) {
  // create a promise instance
  var socket = $q.defer();
  // listen for the authenticated event emitted on the rootScope of
  // the Angular app. Once the event is fired, create the socket and resolve
  // the promise.
  $rootScope.$on('authenticated', function() {
    // resolve in another digest cycle
    $timeout(function() {
      var token = window.localStorage["socket_token"];
      var token_query = 'token=' + token;
      var newSocket = (function() {
        return socketFactory({
          ioSocket: io.connect('http://example.com:3000', {
            query: token_query
          })
        });
      })();
      socket.resolve(newSocket);
    });
  });
  return socket.promise
});

在用创建的套接字解析承诺之前,您只需将调用添加到forward()

newSocket = (function() { /* ... */ })()
newSocket.forward("event");
socket.resolve(newSocket);

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