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

This is my solution

      static markFormGroupTouched (FormControls: { [key: string]: AbstractControl } | AbstractControl[]): void {
        const markFormGroupTouchedRecursive = (controls: { [key: string]: AbstractControl } | AbstractControl[]): void => {
          _.forOwn(controls, (c, controlKey) => {
            if (c instanceof FormGroup || c instanceof FormArray) {
              markFormGroupTouchedRecursive(c.controls);
            } else {
              c.markAsTouched();
            }
          });
        };
        markFormGroupTouchedRecursive(FormControls);
      }