luhn-generator/update/node_modules/core-js-pure/internals/get-iterator.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

var anObject = require('../internals/an-object');
var getIteratorMethod = require('../internals/get-iterator-method');

module.exports = function (it) {
  var iteratorMethod = getIteratorMethod(it);
  if (typeof iteratorMethod != 'function') {
    throw TypeError(String(it) + ' is not iterable');
  } return anObject(iteratorMethod.call(it));
};