@azapfy/utils_validations-br
Version:
A validator to BR informations - Fork from validations-br
34 lines (33 loc) • 1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.validatePE = void 0;
function calcDigit(body) {
var weight = body.length + 1;
var sum = 0;
body.split('').forEach(function (digit) {
sum += +digit * weight;
weight--;
});
var mod = 11;
var rest = sum % mod;
var dig = mod - rest;
if (dig >= 10) {
dig = 0;
}
return dig;
}
function validatePE(ie) {
var ieStr = String(ie).replace(/\D/g, '');
var length = ieStr.length;
if (length !== 9)
return false;
var body = ie.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.validatePE = validatePE;