"use strict"; | |
var create = Object.create, getPrototypeOf = Object.getPrototypeOf, plainObject = {}; | |
module.exports = function (/* CustomCreate*/) { | |
var setPrototypeOf = Object.setPrototypeOf, customCreate = arguments[0] || create; | |
if (typeof setPrototypeOf !== "function") return false; | |
return getPrototypeOf(setPrototypeOf(customCreate(null), plainObject)) === plainObject; | |
}; |