luhn-generator/update/node_modules/core-js-pure/internals/an-object.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 isObject = require('../internals/is-object');

module.exports = function (it) {
  if (!isObject(it)) {
    throw TypeError(String(it) + ' is not an object');
  } return it;
};