luhn-generator/update/node_modules/core-js-pure/internals/get-async-iterator-method.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 getIteratorMethod = require('../internals/get-iterator-method');
var wellKnownSymbol = require('../internals/well-known-symbol');

var ASYNC_ITERATOR = wellKnownSymbol('asyncIterator');

module.exports = function (it) {
  var method = it[ASYNC_ITERATOR];
  return method === undefined ? getIteratorMethod(it) : method;
};