Circular Dependencies in NestJs

Circular dependency is a situation where two modules depend on one another.

One way to resolve this is to make just one of them depend on the other. So A ---> B, and B !----> A 😁

Another way is to use the forwardRef function provided in NestJs.

ForwarRef(B) inside A-Module

ForwardRef(A) inside B-Module

This will resolve most circular dependency issues; however, some are stubborn.

So, you need the silver bullet (🤦‍♂️):

Specifically Inject() the exceptional service(s)