NestJS · Middle · Question 37 of 75

What does `@nestjs/event-emitter` provide?

✓Correct answer: In-process events: emit with EventEmitter2 and handle with @OnEvent('order.created')
2Events delivered between servers
3WebSocket events to browsers

Explanation

It decouples modules inside one process. Events are lost on crash, so use a queue or broker for work that must happen.

Further reading

NestJS: Events ↗

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