luhn-generator/update/node_modules/p-is-promise/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';

const isPromise = input => (
	input instanceof Promise ||
	(
		input !== null &&
		typeof input === 'object' &&
		typeof input.then === 'function' &&
		typeof input.catch === 'function'
	)
);

module.exports = isPromise;
// TODO: Remove this for the next major release
module.exports.default = isPromise;