Validação de JOI

const joi = require("joi");

const validation = joi.object({
     userName: joi.string().alphanum().min(3).max(25).trim(true).required(),
     email: joi.string().email().trim(true).required(),
     password: joi.string().min(8).trim(true).required(),
     mobileNumber: joi.string().length(10).pattern(/[6-9]{1}[0-9]{9}/).required(),
     birthYear: joi.number().integer().min(1920).max(2000),
     skillSet: joi.array().items(joi.string().alphanum().trim(true)).default([]),
     is_active: joi.boolean().default(true),
});
$uj@y