Common utilities for node and express JS

• validators
  • empty validator
  • Is email check
  • is phone number for Indian numbers
  • ip checker

Empty validator

It can validate array and objects and empty string and also added null and undefined.

const { validator } =  require('cmn-util');

let  check;
console.log(validator.isEmpty(check)); // true
check  =  undefined;
console.log(validator.isEmpty(check)); // true
check  =  null;
console.log(validator.isEmpty(check)); // true
check  =  '';
console.log(validator.isEmpty(check)); // true
check  =  ' ';
console.log(validator.isEmpty(check)); // true
check  = {};
console.log(validator.isEmpty(check)); // true
check  = [];
console.log(validator.isEmpty(check)); // true

Email validator

It can check is email is valid or not.

const { validator } =  require('cmn-util');

let  check  =  '[email protected]';
console.log(validator.isEmail(check)); // true
check  =  'sample.com';
console.log(validator.isEmail(check)); // false

Indian phone number validate

It can check the phone number is valid or not.

const { validator } =  require('cmn-util');

let  check  =  9876543210;
console.log(validator.isPhone(check)); // true
check  =  137342998374;
console.log(validator.isPhone(check)); // false

IP Address validator

It validate is valid IP address or not for only ipv4.

const { validator } =  require('cmn-util');

let  check  =  '127.0.0.1';
console.log(validator.isIP(check)); // true
check  =  '127.0.512.299';
console.log(validator.isIP(check)); // false