does this means, we have httpclient included by default, even if we dont add provideHttpClient()?

if yes, should we guard against adding provider function ?

does this means, we have httpclient included by default, even if we dont add provideHttpClient()?

if yes, should we guard against adding provider function ?

I may be missing something obvious here but if we do guard and I think we should one way or another then we'd need another way of configuring certain HttpClient features like interceptor functions. We could expose their tokens as public API (HTTP_INTERCEPTOR_FNS) or define their own dedicated provider functions. I prefer interfacing with the token directly because it gives us the ability to use different types of providers depending on our need. For example: if for whatever reason a service is supplying the interceptors I could just do;

// No need for `multi: true` in this example since all interceptor functions are supplied as an array
{ provide: HTTP_INTERCEPTOR_FNS, useFactory: () => inject(InterceptorService).interceptors }

This may be a contrived example but providers are made to be flexible and I strongly believe they should remain that way.

This a technical demo, of what 0-config setup for the Http stack. The subject hasn't been accepted nor discussed with the team yet. The idea here to is say, hey we could have use the default setting without any providers but if you need some customization, you can still use provideHttpClient() as before.

Also, the topic of exposing the interceptors token, has already been discussed in #51303. The token being is by design, as interceptors should be set in a single place so the executed in a predictable order.

Presubmit (TGP).

G3 has been cleaned up & Passing TGP

This PR was merged into the repository by commit 4bed062.

The changes were merged into the following branches: main

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