+++ /dev/null
-var anObject = require('../internals/an-object');
-var aPossiblePrototype = require('../internals/a-possible-prototype');
-
-// `Object.setPrototypeOf` method
-// https://tc39.github.io/ecma262/#sec-object.setprototypeof
-// Works with __proto__ only. Old v8 can't work with null proto objects.
-/* eslint-disable no-proto */
-module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
- var CORRECT_SETTER = false;
- var test = {};
- var setter;
- try {
- setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
- setter.call(test, []);
- CORRECT_SETTER = test instanceof Array;
- } catch (error) { /* empty */ }
- return function setPrototypeOf(O, proto) {
- anObject(O);
- aPossiblePrototype(proto);
- if (CORRECT_SETTER) setter.call(O, proto);
- else O.__proto__ = proto;
- return O;
- };
-}() : undefined);