Validate Documents

main-js

function putDots(num) {
    if (num == 0) {
        return "0"
    } else {
        return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ".");
    }
}

function putDotsToMoney(num) {
    num = parseFloat(num);

    if ( isNaN(num) ) {
        num = 0;
    }

    num = num.toFixed(2);

    var number = num.toString();
    number = number.split('.');

    if ( number[1] == null || number[1].length < 1 ) {
        number[1] = '00';
    } else if ( number[1].length == 1 ) {
        number[1] = number[1].toString() + "0";
    }

    return putDots(number[0]) + ',' + number[1];
}

function validateCPF(number) {
    var cpf = number.toString().replace(/[^0-9]/g, '');

    if (cpf.length != 11) {
        return false;
    }

    var digitoTestado = cpf.slice(9, 11);
    var digitoValidado = '';
    var sum1 = sum2 = dig1 = dig2 = 0;

    for (var i = 0; i < 10; i++) {
        if (i < 9) {
            sum1 = sum1 + ( cpf.charAt(i) * (10 - i) );
        }
        sum2 = sum2 + ( cpf.charAt(i) * (11 - i) );
    };

    if ( (sum1 % 11) >= 2 ) {
        dig1 = 11 - (sum1 % 11);
    }

    if ( (sum2 % 11) >= 2 ) {
        dig2 = 11 - (sum2 % 11);
    }

    digitoValidado = dig1.toString() + dig2.toString();

    if ( digitoTestado === digitoValidado ) {
        return true;
    }

    return false;
}

function validateCNPJ(number) {
    var cnpj = number.toString().replace(/[^0-9]/g, '');

    if (cnpj.length != 14) {
        return false;
    }

    var digitoTestado = cnpj.slice(12, 14);
    var digitoValidado = '';
    var sum1 = sum2 = dig1 = dig2 = 0;
    var second_row = [6, 5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2];

    for (var i = 0; i < 13; i++) {
        if (i < 12) {
            sum1 = sum1 + ( cnpj.charAt(i) * second_row[i + 1] );
        }
        sum2 = sum2 + ( cnpj.charAt(i) * second_row[i] );
    };

    if ( (sum1 % 11) >= 2 ) {
        dig1 = 11 - (sum1 % 11);
    }

    if ( (sum2 % 11) >= 2 ) {
        dig2 = 11 - (sum2 % 11);
    }

    digitoValidado = dig1.toString() + dig2.toString();

    if ( digitoTestado === digitoValidado ) {
        return true;
    }

    return false;
}

function validateDocument(number) {
    if (validateCPF(number)) {
        return true;
    }

    if (validateCNPJ(number)) {
        return true;
    }

    return false;
}