source: imaps-frontend/node_modules/dunder-proto/set.js@ 79a0317

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Last change on this file since 79a0317 was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago

F4 Finalna Verzija

  • Property mode set to 100644
File size: 1.2 KB
RevLine 
[79a0317]1'use strict';
2
3var callBind = require('call-bind-apply-helpers');
4var gOPD = require('gopd');
5var $TypeError = require('es-errors/type');
6
7/** @type {{ __proto__?: object | null }} */
8var obj = {};
9try {
10 obj.__proto__ = null; // eslint-disable-line no-proto
11} catch (e) {
12 if (!e || typeof e !== 'object' || !('code' in e) || e.code !== 'ERR_PROTO_ACCESS') {
13 throw e;
14 }
15}
16
17var hasProtoMutator = !('toString' in obj);
18
19// eslint-disable-next-line no-extra-parens
20var desc = gOPD && gOPD(Object.prototype, /** @type {keyof typeof Object.prototype} */ ('__proto__'));
21
22/** @type {import('./set')} */
23module.exports = hasProtoMutator && (
24// eslint-disable-next-line no-extra-parens
25 (!!desc && typeof desc.set === 'function' && /** @type {import('./set')} */ (callBind([desc.set])))
26 || /** @type {import('./set')} */ function setDunder(object, proto) {
27 // this is node v0.10 or older, which doesn't have Object.setPrototypeOf and has undeniable __proto__
28 if (object == null) { // eslint-disable-line eqeqeq
29 throw new $TypeError('set Object.prototype.__proto__ called on null or undefined');
30 }
31 // eslint-disable-next-line no-proto, no-param-reassign, no-extra-parens
32 /** @type {{ __proto__?: object | null }} */ (object).__proto__ = proto;
33 return proto;
34 }
35);
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