Fix unhandled rejection issue with connectToPersistentSubscription #44

src/eventStoreNodeConnection.js

@@ -519,7 +519,7 @@ EventStoreNodeConnection.prototype.subscribeToAllFrom = function(
  * @param {UserCredentials} [userCredentials]
  * @param {number} [bufferSize]
  * @param {boolean} [autoAck]
- * @return {EventStorePersistentSubscription}
+ * @return {Promise<EventStorePersistentSubscription>}
  */
 EventStoreNodeConnection.prototype.connectToPersistentSubscription = function(
     stream, groupName, eventAppeared, subscriptionDropped, userCredentials, bufferSize, autoAck
@@ -536,9 +536,7 @@ EventStoreNodeConnection.prototype.connectToPersistentSubscription = function(
   var subscription = new EventStorePersistentSubscription(
       groupName, stream, eventAppeared, subscriptionDropped, userCredentials, this._settings.log,
       this._settings.verboseLogging, this._settings, this._handler, bufferSize, autoAck);
-  subscription.start();
-
-  return subscription;
+  return subscription.start();
 };
 
 /**
@@ -571,7 +569,7 @@ EventStoreNodeConnection.prototype.createPersistentSubscription = function(strea
  * @public
  * @param {string} stream
  * @param {string} groupName
- * @param {string} settings
+ * @param {PersistentSubscriptionSettings} settings
  * @param {UserCredentials} [userCredentials]
  * @returns {Promise.<PersistentSubscriptionUpdateResult>}
  */

src/eventStorePersistentSubscriptionBase.js

@@ -35,11 +35,12 @@ EventStorePersistentSubscriptionBase.prototype.start = function() {
   this._stopped = false;
 
   var self = this;
-  this._startSubscription(this._subscriptionId, this._streamId, this._bufferSize, this._userCredentials,
+  return this._startSubscription(this._subscriptionId, this._streamId, this._bufferSize, this._userCredentials,
                           this._onEventAppeared.bind(this), this._onSubscriptionDropped.bind(this), this._settings)
       .then(function(subscription) {
         console.log('Subscription started.');
         self._subscription = subscription;
+        return self;
       });
 };
 
@@ -78,6 +79,7 @@ EventStorePersistentSubscriptionBase.prototype.fail = function(events, action, r
   this._subscription.notifyEventsFailed(ids, action, reason);
 };
 
+//TODO: this should return a promise
 EventStorePersistentSubscriptionBase.prototype.stop = function() {
   if (this._verbose) this._log.debug("Persistent Subscription to %s: requesting stop...", this._streamId);
   this._enqueueSubscriptionDropNotification(SubscriptionDropReason.UserInitiated, null);