@ozylog/validator

Validator and sanitizer

This validator is inspired by express-validator and using validator functions to validate.

Installation

npm install @ozylog/validator --save

Usage Examples

validator

Please check validator page to see list all available functions + isRequired()

import {validator} from '@ozylog/validator';

validator.isEmpty(''); // returns true
validator.isRequired('') // returns false

addValidator

import {addValidator} from '@ozylog/validator';

addValidator({
    isEmailAvailable: async () => true
});

sanitizer

import {sanitizer} from '@ozylog/validator'

sanitizer.trim(' test '); // returns 'test'

Rules

import {Rules, Rule} from '@ozylog/validator';

const name = '';
const nameRule = new Rule('name', name);

nameRule.isRequired().setMessage('Name is required');
nameRule.isLength({min: 8}).setMessage('Min name length is 8');

const email = 'hello@world.com';
const emailRule = new Rule('email', email);

emailRule.isEmail().setMesssage('Invalid email');

const rules = new Rules(nameRule, emailRule);

rules.validate(); // returns {name: 'Name is required'}
rules.validate({checkAll: true}); // returns {name: ['Name is required', 'Min name length is 8']}

import {addValidator, Rules} from '@ozylog/validator';

addValidator({
    isEmailAvailable: async () => false
});

const email = 'hello@world.com';
const rules = new Rules();

rules.addRule('email', email).isEmailAvailable().setMessage('Email is not available');

await rules.validatePromise(); // returns {email: 'Email is not available'}
await rules.validatePromise({checkAll: true}); // returns {email: ['Email is not available']}

import {Rules, Rule} from '@ozylog/validator';

const email = 'hello@world.com';
const rules = new Rules();
const emailRule = new Rule('email', email).isRequired().isEmail();

rules.addRules(emailRule);

const errors = rules.validate(); // returns null

License

MIT