Sha256: 8d98970c087310be0c20ad480da6fca2c1bd49f76b5bba31be4346e7a9b3cc3f
Contents?: true
Size: 859 Bytes
Versions: 25
Compression:
Stored size: 859 Bytes
Contents
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);
Version data entries
25 entries across 25 versions & 7 rubygems