generateCpf function exported ✓ 100.0%

export function generateCpf(formatted = true): string {
  const digits = randomDigits(9);

  // All same digits are invalid
  if (digits.every((d) => d === digits[0])) {
    return generateCpf(formatted);
  }

  const firstCheckDigit = calculateCpfCheckDigit(
    digits,
    [10, 9, 8, 7, 6, 5, 4, 3, 2],
  );
  digits.push(firstCheckDigit);

  const secondCheckDigit = calculateCpfCheckDigit(
    digits,
    [11, 10, 9, 8, 7, 6, 5, 4, 3, 2],
  );
  digits.push(secondCheckDigit);

  const cpf = digits.join("");

  if (!formatted) return cpf;

  return `${cpf.slice(0, 3)}.${cpf.slice(3, 6)}.${cpf.slice(6, 9)}-${cpf.slice(9)}`;
}