From d2cb6a304513bd0640e018c6b84830e58b6dfc3c Mon Sep 17 00:00:00 2001
From: Phil Kunz <gitlab@philkunz.com>
Date: Wed, 24 Apr 2019 15:47:28 +0200
Subject: [PATCH] fix(core): update

---
 ts/smartsocket.classes.smartsocket.ts  | 2 +-
 ts/smartsocket.classes.socketserver.ts | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ts/smartsocket.classes.smartsocket.ts b/ts/smartsocket.classes.smartsocket.ts
index 2ccd2ca..c390f1f 100644
--- a/ts/smartsocket.classes.smartsocket.ts
+++ b/ts/smartsocket.classes.smartsocket.ts
@@ -13,7 +13,7 @@ import { SocketServer } from './smartsocket.classes.socketserver';
 import * as SocketIO from 'socket.io';
 
 export interface ISmartsocketConstructorOptions {
-  port: number;
+  port?: number;
 }
 
 export class Smartsocket {
diff --git a/ts/smartsocket.classes.socketserver.ts b/ts/smartsocket.classes.socketserver.ts
index 9feffcc..bd6789d 100644
--- a/ts/smartsocket.classes.socketserver.ts
+++ b/ts/smartsocket.classes.socketserver.ts
@@ -55,7 +55,12 @@ export class SocketServer {
     const done = plugins.smartpromise.defer();
 
     // handle http servers
+    // in case an external server has been set "this.standaloneServer" should be false
     if (this.httpServer && this.standaloneServer) {
+      if (!this.smartsocket.options.port) {
+        console.log('there should be a port specifed for smartsocket!')
+        throw new Error('there should be a port specified for smartsocket')
+      }
       this.httpServer.listen(this.smartsocket.options.port, () => {
         console.log(`Server started in standalone mode on ${this.smartsocket.options.port}`);
         done.resolve();