NestJS : How to emit an event

Before to trigger an event, we suggest you to read this article : NestJs Event - Event Emitter package.

Emit

EventEmitter2 is used to emit and listening an event. It's possible to see code production samples inside the products.service.ts.

For example, after the creation of a product, line bellow is used:

    this.eventEmitter.emit('product.created', product);

This emit product.created, it means than a product has been created.

Event type

https://github.com/MathieuBurnat/api-client-bc/blob/master/src/events/listeners/product.listener.ts