JSFiddle - React, Tailwind, and code Playground

by superj80820

HTML

<script src="https://cdn.jsdelivr.net/npm/@hapi/[email protected]/dist/joi-browser.min.js"></script>

JavaScript

const schema = joi.object({
    username: joi.object({last: joi.string()})
})

const nice = schema.validate({ username: {last: 'abc'}});
// -> { username: {last: 'abc'}}
alert(JSON.stringify(nice))
const oops = schema.validate({user: 123});
// -> error messenge
alert(JSON.stringify(oops))