Static Access to Validation Error Strings

Which @angular/* package(s) are relevant/releated to the feature request?

forms

Description

We can retrieve the boolean value for a specific Validator like this:

this.email.hasError('email')

I would be nice if we could get programmatic access to the correct email string like this:

this.email.hasError(Validators.EMAIL_KEY)

Proposed solution

this.email.hasError('Validators.EMAIL_KEY')

Alternatives considered

Just type the string … email …

The thing is … if we make a mistake … for example typing minLength … instead of minlength …

[fireflysemantics]

@Totati IIUC control.hasValidator checks whether the control has a specific validator.

So for example:

this.email.hasValidator(Validators.email)

Will return true if the email control has the Validators.email validator assigned to it.

This is different from:

this.email.hasError(Validators.EMAIL_KEY)

Which checks whether the errors property on the control has a specific keyed error. In this case that error would be triggered if the value of the email control is not a valid email address …

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