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Direct injection between components about nest HOT 3 CLOSED

nestjs avatar nestjs commented on April 26, 2024
Direct injection between components

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Comments (3)

thomrick avatar thomrick commented on April 26, 2024

Hi @cdiaz,

The thing is your BComponent does not expose its bMethod() has static and that's why you've got an error.
So you have 2 choices in the implementation:
- expose bMethod() as static
- create an instance of your BComponent in aMethod() or in AComponent field (and in this case @component() decorator is not necessary)

Nethertheless BComponent is a Helper so you can manage it with:

  • the dependency injection offered by the framework (@component() decorator) and inject it in AComponent constructor
  • import it like you want but it will never be covered by the framework in term of injection

In my opinion this is not an issue but probably a misunderstood of the framework philosophy or typescript usage...

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cdiaz avatar cdiaz commented on April 26, 2024

@thomrick Thanks.. For now I decided to inject it into the constructor, and obviously the use of the @component decorator is not necessary.

According to the framework philosophy "Almost everything is a component – Service, Repository, Provider etc. and they might be injected to controllers or to another component by constructor"

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lock avatar lock commented on April 26, 2024

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

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