/*! * is-extendable <https://github.com/jonschlinkert/is-extendable> * * Copyright (c) 2015-2017, Jon Schlinkert. * Released under the MIT License. */ 'use strict'; var isPlainObject = require('is-plain-object'); module.exports = function isExtendable(val) { return isPlainObject(val) || typeof val === 'function' || Array.isArray(val); };