luhn-generator/update/node_modules/is-finite/index.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';

module.exports = Number.isFinite || function (value) {
	return !(typeof value !== 'number' || value !== value || value === Infinity || value === -Infinity);
};