2 * is-extendable <https://github.com/jonschlinkert/is-extendable>
4 * Copyright (c) 2015, Jon Schlinkert.
5 * Licensed under the MIT License.
10 module.exports = function isExtendable(val) {
11 return typeof val !== 'undefined' && val !== null
12 && (typeof val === 'object' || typeof val === 'function');