simple-validator

Example usage:

``javascript

const { checks, requestValidator } = require('simple-validator')

let schema = {
username: checks().isString()
.required({ msg: 'Username is required.' })
.regex({ pattern: /^[a-z0-9]*$/i, msg: 'Username must be alpha-numeric.' }),
email: checks().isString()
.required({ msg: 'Email is required.' })
.email({ msg: 'Email is invalid.' })
.func({
fnc: (ctx, value, field, next) =>
// check in db
new Promise((res, rej) => setTimeout(() => res(next(true)), 1000)),
msg: 'Email failed check in db.'
}),
password: checks().isString()
.required({ msg: 'Password is required.' })
.password({ req: ['upper', 'lower', 'number', 'special'], msg: '' }),
repeatPassword: checks().isString()
.required({ msg: 'Password is required.' })
.sameAs({ path: '$/password', msg: 'Repeat password not same as password.' }),
};

let reqValidator = requestValidator(schema,
(req, res, next, ctx) => console.log('Success'),
(req, res, next, errors, ctx) => console.log('Failed:\n', errors)
);

console.log('Checking with invalid body...');

reqValidator({ body: {
username: '',
email: 'invalid',
password: 'Aa#abcdavcd',
repeatPassword: 'Aa1#abcd'
} }, {});

console.log('Checking with valid body...');

reqValidator({ body: {
username: 'abcd',
email: 'abcd@mail.bg',
password: 'Aa1#abcd',
repeatPassword: 'Aa1#abcd'
} }, {});
``