main
Last change
on this file since 79a0317 was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago |
F4 Finalna Verzija
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100644
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File size:
1.2 KB
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[79a0317] | 1 | 'use strict';
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| 2 |
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| 3 | var callBind = require('call-bind-apply-helpers');
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| 4 | var gOPD = require('gopd');
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| 5 | var $TypeError = require('es-errors/type');
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| 6 |
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| 7 | /** @type {{ __proto__?: object | null }} */
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| 8 | var obj = {};
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| 9 | try {
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| 10 | obj.__proto__ = null; // eslint-disable-line no-proto
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| 11 | } catch (e) {
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| 12 | if (!e || typeof e !== 'object' || !('code' in e) || e.code !== 'ERR_PROTO_ACCESS') {
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| 13 | throw e;
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| 14 | }
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| 15 | }
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| 16 |
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| 17 | var hasProtoMutator = !('toString' in obj);
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| 18 |
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| 19 | // eslint-disable-next-line no-extra-parens
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| 20 | var desc = gOPD && gOPD(Object.prototype, /** @type {keyof typeof Object.prototype} */ ('__proto__'));
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| 21 |
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| 22 | /** @type {import('./set')} */
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| 23 | module.exports = hasProtoMutator && (
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| 24 | // eslint-disable-next-line no-extra-parens
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| 25 | (!!desc && typeof desc.set === 'function' && /** @type {import('./set')} */ (callBind([desc.set])))
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| 26 | || /** @type {import('./set')} */ function setDunder(object, proto) {
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| 27 | // this is node v0.10 or older, which doesn't have Object.setPrototypeOf and has undeniable __proto__
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| 28 | if (object == null) { // eslint-disable-line eqeqeq
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| 29 | throw new $TypeError('set Object.prototype.__proto__ called on null or undefined');
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| 30 | }
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| 31 | // eslint-disable-next-line no-proto, no-param-reassign, no-extra-parens
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| 32 | /** @type {{ __proto__?: object | null }} */ (object).__proto__ = proto;
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| 33 | return proto;
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| 34 | }
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| 35 | );
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