|
'use strict'; |
|
|
|
var callBind = require('call-bind-apply-helpers'); |
|
var gOPD = require('gopd'); |
|
var $TypeError = require('es-errors/type'); |
|
|
|
|
|
var obj = {}; |
|
try { |
|
obj.__proto__ = null; |
|
} catch (e) { |
|
if (!e || typeof e !== 'object' || !('code' in e) || e.code !== 'ERR_PROTO_ACCESS') { |
|
throw e; |
|
} |
|
} |
|
|
|
var hasProtoMutator = !('toString' in obj); |
|
|
|
|
|
var desc = gOPD && gOPD(Object.prototype, ('__proto__')); |
|
|
|
|
|
module.exports = hasProtoMutator && ( |
|
|
|
(!!desc && typeof desc.set === 'function' && (callBind([desc.set]))) |
|
|| function setDunder(object, proto) { |
|
|
|
if (object == null) { |
|
throw new $TypeError('set Object.prototype.__proto__ called on null or undefined'); |
|
} |
|
|
|
(object).__proto__ = proto; |
|
return proto; |
|
} |
|
); |
|
|