Nestjs Circular dependency forwardRef() drawbacks

Official Circular dependency says:

A circular dependency occurs when two classes depend on each other. For example, class A needs class B, and class B also needs class A. Circular dependencies can arise in Nest between modules and between providers.

While circular dependencies should be avoided where possible, you can't always do so.

What are the reasons for not using forwardRef()?

Solution

Circular dependencies usually mean you have tightly bound logic and possibly unstable architecture that will not allow you to scale. If you really don't want to care about that, you can just sprinkle in forwardRef wherever you want, constructors and services, but that could lead to some strange, hard to resolve errors, and is generally seen as a bad practice amongst the Nest community.

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