Altheia NPM | npm.io

Altheia

A very simple async data validator, very fast and customizable, inspired by Joi .

await Alt.string().email().custom('not_in_db', (val) => searchDB(val))

Introduction

After searching for a long time a simple data validator that allow async validation, I decided to implement one. Heavily inspired from Joi, it aim at being very lightweight, simple to use and obvioulsy allow us to check anything from standard schema to very custom ones.

It aim to be used in models Validation (i.e: for API)

Install

$ npm install altheia

Example

const Alt = require('altheia');
// or: import Alt from 'altheia'

Alt.lang('string.min', (name, args) => `This ${name} is too short I think`});

const hasError = await Alt({
    login: Alt.string().min(3).not('admin').required(),
    email: Alt.string().email().custom('not_in_db', (val) => searchDB(val)),
    eyes: Alt.number().integer().positive().max(2),
    date: Alt.date().iso()
}).options({
    required: true,
    unknown: false
}).body({
    login: 'leela',
    email: 'captain@planetexpress.earth',
    eyes: 1,
    date: '2015-01-04T17:35:22Z'
}).validate();

console.log(hasError); // false