maanyakaran/strategies/FormStrategy.js

Maanyakaran(मान्यकरण) [meaning: validation], Micro framework for validation of JS Objects or react and redux etc states

const FormStrategy = {
    name:"Form",
    nonEmptyString: function (subject) {
        return subject.length === 0 ? 'Empty String' : null;
    }
,
    validEmail: function (subject) {
        validateEmail = function validateEmail(email) {
            let re = /^(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])$/;
            return re.test(email);
        }
        return !validateEmail(subject) ? 'Invalid email' : null;
    }
};

module.exports = FormStrategy;