luhn-generator/update/node_modules/core-js-pure/internals/iterator-close.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');

module.exports = function (iterator) {
  var returnMethod = iterator['return'];
  if (returnMethod !== undefined) {
    return anObject(returnMethod.call(iterator)).value;
  }
};