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Commit Description:
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node_modules/core-js/modules/_set-proto.js
| 25 lines
| 906 B
| application/javascript
| JavascriptLexer
|
| r789 | // Works with __proto__ only. Old v8 can't work with null proto objects. | |||
| /* eslint-disable no-proto */ | ||||
| var isObject = require('./_is-object'); | ||||
| var anObject = require('./_an-object'); | ||||
| var check = function (O, proto) { | ||||
| anObject(O); | ||||
| if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!"); | ||||
| }; | ||||
| module.exports = { | ||||
| set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line | ||||
| function (test, buggy, set) { | ||||
| try { | ||||
| set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2); | ||||
| set(test, []); | ||||
| buggy = !(test instanceof Array); | ||||
| } catch (e) { buggy = true; } | ||||
| return function setPrototypeOf(O, proto) { | ||||
| check(O, proto); | ||||
| if (buggy) O.__proto__ = proto; | ||||
| else set(O, proto); | ||||
| return O; | ||||
| }; | ||||
| }({}, false) : undefined), | ||||
| check: check | ||||
| }; | ||||