import { IsCPF, IsDate } from 'brazilian-class-validator';
import { validate } from 'class-validator';

class BrazilianGuy {
    @IsCPF()
    cpf: string;

    @IsDate()
    birthday: string;
}

const bg = new BrazilianGuy();
bg.cpf = "123";
bg.birthday = "30/12/2004";

validate(bg).then(errors => console.log(errors));