fix(build): tighten TypeScript compatibility and update project build configuration

ts/smartsocket.classes.socketconnection.ts

@@ -22,7 +22,7 @@ export type TSocketConnectionSide = 'server' | 'client';
  * interface for constructor of class SocketConnection
  */
 export interface ISocketConnectionConstructorOptions {
-  alias: string;
+  alias?: string;
   authenticated: boolean;
   side: TSocketConnectionSide;
   smartsocketHost: Smartsocket | SmartsocketClient;
@@ -43,7 +43,7 @@ export let allSocketConnections = new plugins.lik.ObjectMap<SocketConnection>();
  * class SocketConnection represents a websocket connection
  */
 export class SocketConnection {
-  public alias: string;
+  public alias?: string;
   public side: TSocketConnectionSide;
   public authenticated: boolean = false;
   public smartsocketRef: Smartsocket | SmartsocketClient;
@@ -97,6 +97,10 @@ export class SocketConnection {
   }
 
   private handleFunctionCall(messageData: interfaces.ISocketMessage<interfaces.IFunctionCallPayload>): void {
+    if (!messageData.id) {
+      logger.log('warn', 'received function call without request id');
+      return;
+    }
     const requestData: ISocketRequestDataObject<any> = {
       funcCallData: {
         funcName: messageData.payload.funcName,
@@ -124,6 +128,10 @@ export class SocketConnection {
   }
 
   private handleFunctionResponse(messageData: interfaces.ISocketMessage<interfaces.IFunctionCallPayload>): void {
+    if (!messageData.id) {
+      logger.log('warn', 'received function response without request id');
+      return;
+    }
     const responseData: ISocketRequestDataObject<any> = {
       funcCallData: {
         funcName: messageData.payload.funcName,