swaibat / eagle-validator

a modern javascript object validation NPM package available on npmjs.com

eagle-validator

A modern javascript object validation node package available on npmjs.com

Basic usage

a simple middleware for you

import Check from 'eagle-validator';

export default function validator(req, res, next) {
  const valid = [
    new Check({ firstName: req }).str().req().min(2).max(20).alpha(),
    new Check({ phoneNumber: req }).str().req().min(2).num(),
    new Check({ email: req }).str().req().email(),
  ];
  const invalid = valid.find((e) => e.error);
  if (invalid) return res.status(400).send(status:400, message:invalid.error);
  return next();
}

this will return simplified messages like:

for required field

firstName field is required

firstName should be a string

firstName should be greaterthan 2

firstName should be lessthan 19

firstName should be alphabetic

Basic abbrevations used

abbrevations	meaning	example
str()	string	'hello'
req()	required	'world'
min()	minimum characters	any
max(3)	miximum characters	any
number()	should be a number	1-9
num()	only numbers in a string	0-9
alpha()	should ba alphabets only	A-Z,a-z
alphaNum()	mixture of alpha & nums	A-Z,a-z,0-9
bool()	should be a boolean	true
email()	stictly email address	[email protected]