@azapfy/utils_validations-br
Version:
A validator to BR informations - Fork from validations-br
37 lines (36 loc) • 1.07 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.validatePR = void 0;
function calcDigit(body) {
var weight = body.length - 5;
var sum = 0;
body.split('').forEach(function (digit) {
sum += +digit * weight;
weight--;
if (weight === 1) {
weight = 7;
}
});
var mod = 11;
var rest = sum % mod;
var dig = mod - rest;
if (dig >= 10) {
dig = 0;
}
return dig;
}
function validatePR(ie) {
var ieStr = String(ie).replace(/\D/g, '');
var length = ieStr.length;
if (length !== 10)
return false;
var body = ieStr.substr(0, length - 2);
var firstDig = calcDigit(body);
var secondDig = calcDigit(body + firstDig);
var posSecondDig = length - 1;
var posFirstDig = length - 2;
var ieAtFirstPos = +ieStr.charAt(posFirstDig);
var ieAtSecondPos = +ieStr.charAt(posSecondDig);
return ieAtFirstPos === firstDig && ieAtSecondPos === secondDig;
}
exports.validatePR = validatePR;