nest-microservices-messaging

• A NestJS module for generator-nest-microservices yeoman template for distributed messaging. This package uses https://www.npmjs.com/package/@golevelup/nestjs-rabbitmq

How to use

• install package with npm i -S nest-microservices-messaging
• Register the MessagingModule to your feature modules:

@Module({})
export class AppModule {
  static register(config: ConfigOptions): DynamicModule {
    return {
      module: AppModule,
      imports: [
        MessagingModule.register(config.messagingOptions),
        ...
      ],
    };
  }
}

• Once MessagingModule is registered, then you can use PublisherService to publish to RabbitMQ

export class ExampleController {
  constructor (private service: PublisherService) {
    super (service, logger);
  }

  await publish () {
    this.publisherService.publish('my-queue', { hello: 'world' });
  }
}

Messaging options

Property	Type	Required	Description
exchanges	MessageQueueOptions	true	Contains { name: string, type: string } which defined the exchange name and type of exchange
uri	String	true	Uri or your RabbitMQ server
connectionInitOptions	MessageConnectionOptions	true	Contains { wait: boolean } for connection resiliency. See https://www.npmjs.com/package/@golevelup/nestjs-rabbitmq for more details