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35 lines
1.2 KiB
35 lines
1.2 KiB
'use strict';
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var callBind = require('call-bind-apply-helpers');
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var gOPD = require('gopd');
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var $TypeError = require('es-errors/type');
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/** @type {{ __proto__?: object | null }} */
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var obj = {};
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try {
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obj.__proto__ = null; // eslint-disable-line no-proto
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} catch (e) {
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if (!e || typeof e !== 'object' || !('code' in e) || e.code !== 'ERR_PROTO_ACCESS') {
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throw e;
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}
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}
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var hasProtoMutator = !('toString' in obj);
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// eslint-disable-next-line no-extra-parens
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var desc = gOPD && gOPD(Object.prototype, /** @type {keyof typeof Object.prototype} */ ('__proto__'));
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/** @type {import('./set')} */
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module.exports = hasProtoMutator && (
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// eslint-disable-next-line no-extra-parens
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(!!desc && typeof desc.set === 'function' && /** @type {import('./set')} */ (callBind([desc.set])))
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|| /** @type {import('./set')} */ function setDunder(object, proto) {
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// this is node v0.10 or older, which doesn't have Object.setPrototypeOf and has undeniable __proto__
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if (object == null) { // eslint-disable-line eqeqeq
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throw new $TypeError('set Object.prototype.__proto__ called on null or undefined');
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}
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// eslint-disable-next-line no-proto, no-param-reassign, no-extra-parens
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/** @type {{ __proto__?: object | null }} */ (object).__proto__ = proto;
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return proto;
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}
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);
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