/**
 * 格式化手机号脱敏，如 '188****8888'
 *
 * @param phone 手机号
 * @returns 脱敏后的手机号字符串
 */
export function phoneNumberDesensitization(phone: number | string): string {
  return phone.toString().replace(/(\d{3})\d{4}(\d{4})/, '$1****$2');
}