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angular__angular/packages/forms
Dylan Hunn dba6a60861 fix(forms): Value and RawValue should be part of the public API. (#45978)
Consider a typed group for storing contact information:

```
declare interface ContactControls {
	name: FormControl<string|null>;
}

contactForm: FormGroup<ContactControls> = ...;

saveForm(form: FormGroup<ContactControls>) {
	service.newContact(contactForm.value);
}
```

What should be the type of `newContact`? The answer, of course, is the value type:

```
declare interface Contact {
	name: string|null;
}

class ContactService {
	newContact(c: Contact) {}
}
```

This is quite redundant, and therefore, we should allow the value type to be generated automatically. We already have the helper types to do this -- we just need to document and export them. Then, this becomes possible:

```
class ContactService {
	newContact(c: RawValue<FormGroup<ContactControls>>) {}
}
```

PR Close #45978
2022-05-16 18:36:53 +00:00
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