test-form-asyn.ts

test-form-asyn.ts

    this.form = this.formBuilder.group({
      tenantId: [
        null,
        Validators.compose(
          [Validators.required,
            Validators.minLength(3),
            Validators.maxLength(15),
            Validators.pattern('^[a-zA-Z0-9]+$')],
        ),
        this.rest.tenantValidator()
      ],
      check: [''],
      name: ['', [Validators.required]],
      email: ['', [Validators.required, Validators.email]]
    });