Various methods for validating objects
$ npm i @nib/validation-methods
var methods = require('validation-methods');
methods.required('foo'); // true
methods.equals(1,1); // true;
methods.email('foo@mail.com'); // true
methods.string(1); // false;
methods.number('string'); // false
var validateSubsetOf = methods.isSubsetOf([1,2,3]);
validateSubsetOf([1]); // true
validateSubsetOf([1,3]); // true
validateSubsetOf([1,5]); // false
MIT