fix: fix-closing connection

Author: Sebastian-Iwanczyszyn

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@nestjstools/messaging-rabbitmq-extension",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "Extension to handle messages and dispatch them over AMQP protocol",
   "author": "Sebastian Iwanczyszyn",
   "private": false,

src/consumer/rabbitmq-messaging.consumer.ts

@@ -80,10 +80,10 @@ export class RabbitmqMessagingConsumer
   }
 
   async onModuleDestroy(): Promise<void> {
-    if (this.channel) {
+    if (this.channel?.connection) {
       await this.channel.connection.close();
-      this.channel = undefined;
     }
+    this.channel = undefined;
   }
 }