luhn-generator/update/node_modules/core-js/modules/_string-repeat.js

A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

'use strict';
var toInteger = require('./_to-integer');
var defined = require('./_defined');

module.exports = function repeat(count) {
  var str = String(defined(this));
  var res = '';
  var n = toInteger(count);
  if (n < 0 || n == Infinity) throw RangeError("Count can't be negative");
  for (;n > 0; (n >>>= 1) && (str += str)) if (n & 1) res += str;
  return res;
};