extract publishing code to private method

src/repositories/UnoptimizedInMemoryRepository.ts

@@ -152,7 +152,10 @@ export class UnoptimizedInMemoryRepository implements GetterSetterRepository {
     } else {
       this.etas.push(eta);
     }
+    this.publishEtaUpdateToSubscribers(eta);
+  }
 
+  private publishEtaUpdateToSubscribers(eta: IEta) {
     this.subscribers.forEach(subscriber => {
       subscriber(eta);
     });