cpf-email-verification/index.js

Projeto de validação de e-mail e CPF.

class Client {
    constructor(email, cpf) {
        this.email = email;
        this.cpf = cpf;
    }
}

function validateEmail(client) {
    if(client.email.indexOf("@") === -1) {
        return false; //"O e-mail do cliente é inválido."
    } else {
        return true; //"E-mail válido!"
    }
}

function validateCpf(client) {
    var counter = 10;
    var cpfClient = client.cpf;
    var cpfCalc = cpfClient.substring(0, 9);
    var rs = 0;
    var rest = 0;

    //First digit:
    for(var i = 0; i <= 8; i++) {
        rs += cpfCalc[i] * counter;
        counter--;
    }

    rest = rs % 11;

    (rest < 2) ? cpfCalc += "0": cpfCalc += (11 - rest).toString();

    //Second digit:
    rs = 0;
    counter = 11;

    for(var i = 0; i <= 9; i++) {
        rs += cpfCalc[i] * counter;
        counter--;
    }
    rest = rs % 11;

    (rest < 2) ? cpfCalc += "0": cpfCalc += (11 - rest).toString();

    if(cpfCalc === cpfClient) {
        return true; //"CPF Correto";
    } else {
        return false; //"CPF Incorreto";
    }

}

module.exports = {
    Client,
    validateCpf,
    validateEmail
}