Reactive Forms - mark fields as touched

Question

I am having trouble finding out how to mark all form\'s fields as touched. The main problem is that if I do not touch fields and try to submit form - validation error in not

Answer 1

Regarding to @masterwork's answer. I tried that solution, but I got an error when the function tried to dig, recursively, inside a FormGroup, because there is passing a FormControl argument, instead of a FormGroup, at this line:

control.controls.forEach(c => this.markFormGroupTouched(c));

Here is my solution

markFormGroupTouched(formGroup: FormGroup) {
 (Object).values(formGroup.controls).forEach(control => {
   if (control.controls) { // control is a FormGroup
     markFormGroupTouched(control);
   } else { // control is a FormControl
     control.markAsTouched();
   }
 });
}