h7-validate-cpf/dist/index.js

A TypeScript library to validate Brazilian CPF, responsible by validate CPF | validate equals numbers | quantity of numbers and if is true or false

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.VerifyCPF = void 0;
/**
 * @author
 * @see https://github.com/herlandio
 *
 * Class responsible for validating CPF
 */
class VerifyCPF {
    /**
     * Verify digits of CPF
     *
     * @param {string | number} cpf
     * @param {number} digit
     * @returns {string}
     */
    verifyDigits(cpf, digit) {
        let digits = 0;
        for (let start = 0; start < cpf.toString().length && digit >= 2; start++, digit--) {
            digits += Number(cpf.toString()[start]) * digit;
        }
        digits %= 11;
        const verify = digits < 2 ? 0 : 11 - digits;
        return cpf.toString() + verify;
    }
    /**
     * Verify CPF
     *
     * @param {string | number} cpf
     * @returns {boolean}
     */
    verifyCPF(cpf) {
        const cleanCpf = cpf.toString().replace(/\D+/g, "");
        return /(\d)\1{10}/.test(cleanCpf)
            ? false
            : cleanCpf === this.verifyDigits(this.verifyDigits(cleanCpf, 10).substring(0, 10), 11);
    }
}
exports.VerifyCPF = VerifyCPF;