new schema builder and data validation library

import { Volder, Email } from 'volder';const userSchema = new Volder({    username: {        type: [String, 'username must be in string'],        alphanumeric: [true, 'username should only contain letters and numbers'],        minLength: [4, 'username at least 4 characters'],        maxLength: [16, 'username at most 16 characters'],        required: [true, 'username is required'],        trim: true    },    email: {        type: [String ,'email must be in string'],        pattern: [Email, 'not valid email'],        maxLength: [150, 'email be at most 150 characters'],        required: [ true,'email is required'],        trim: true    },    password: {        type: [String , 'password must be in string'],        minLength:[8, 'password should be at least 8 characters'],        maxLength: [30, 'password should be at most 30 characters'],        required: [ true, 'password is required'],        matches: ["^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]$", 'password must contain numbers and letters']    }})const { valid, errors, value } = userSchema.validate(input);