set.js•1.15 kB
'use strict';
var callBind = require('call-bind-apply-helpers');
var gOPD = require('gopd');
var $TypeError = require('es-errors/type');
/** @type {{ __proto__?: object | null }} */
var obj = {};
obj.__proto__ = null; // eslint-disable-line no-proto
var hasProtoMutator = !('toString' in obj);
// eslint-disable-next-line no-extra-parens
var desc = gOPD && gOPD(Object.prototype, /** @type {keyof typeof Object.prototype} */ ('__proto__'));
/** @type {import('./set')} */
module.exports = hasProtoMutator && (
// eslint-disable-next-line no-extra-parens
(!!desc && typeof desc.set === 'function' && /** @type {import('./set')} */ (callBind([desc.set])))
|| /** @type {import('./set')} */ function setDunder(object, proto) {
// this is node v0.10 or older, which doesn't have Object.setPrototypeOf and has undeniable __proto__
if (object == null) { // eslint-disable-line eqeqeq
throw new $TypeError('set Object.prototype.__proto__ called on null or undefined');
}
// eslint-disable-next-line no-proto, no-param-reassign, no-extra-parens
/** @type {{ __proto__?: object | null }} */ (object).__proto__ = proto;
return proto;
}
);