cometd postpone handshake

authenticatorExt.js

'use strict';

import $ from 'jquery';

class AuthenticatorExt {

  constructor(options) {
    this.tokenUrl = options.tokenUrl;
    this.memberId = options.memberId;
    this.isPendingHanshake = false;
  }

  registered(name, cometd) {
    this.cometd = cometd;
  }

  incoming(message) {
    if (message.channel === '/meta/handshake' && this.isPendingHanshake) {
      this.isPendingHanshake = false;
    }
  }

  outgoing(message) {
    if (message.channel === '/meta/handshake' && !this.isPendingHanshake) {
      this.isPendingHanshake = true;
      this._getToken().then(token => {
        this.cometd.handshake({
          ext: {
            authentication: {
              memberId: this.memberId,
              token: token,
            }
          }
        })
      }).catch(res => {
        //TODO something meaningful
      })
      return false;
    }
  }

  _getToken() {
    return new Promise((resolve, reject) => {
      $.ajax({
        url: this.tokenUrl,
        xhrFields: {
          withCredentials: true
        }
      }).then(token => {
        resolve(token);
      }).fail(e => {

        reject(e);

      });
    });
  }


}

export default AuthenticatorExt;

Line 18: perhaps you should check also for message.successful ?

Line 38: you must return null.