@studiovisual/brazilian-validator-js/dist/cpf.js

A lightweight and efficient JavaScript library for validating Brazilian documents and phone numbers

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isValidCPFLength = isValidCPFLength;
exports.isValidCPF = isValidCPF;
const utils_1 = require("./utils");
/**
 * Checks if the provided CPF (Brazilian identification number) has a valid length.
 * @param value The CPF value to validate.
 * @returns A boolean indicating whether the length is valid.
 */
function isValidCPFLength(value) {
    value = (0, utils_1.extractDigits)(value);
    // Checks if the CPF number has 11 digits
    return value.length === 11;
}
/**
 * Checks if the provided CPF (Brazilian identification number) is valid.
 * @param value The CPF value to validate.
 * @returns A boolean indicating whether the CPF is valid.
 */
function isValidCPF(value) {
    value = (0, utils_1.extractDigits)(value);
    if (!isValidCPFLength(value))
        return false;
    const values = value.split("").map((el) => +el);
    const rest = (count) => ((values
        .slice(0, count - 12)
        .reduce((sum, el, index) => sum + el * (count - index), 0) *
        10) %
        11) %
        10;
    return rest(10) === values[9] && rest(11) === values[10];
}