source: imaps-frontend/node_modules/es-abstract/2020/OrdinaryObjectCreate.js@ d565449

'use strict';

var GetIntrinsic = require('get-intrinsic');

var $ObjectCreate = GetIntrinsic('%Object.create%', true);
var $TypeError = require('es-errors/type');
var $SyntaxError = require('es-errors/syntax');

var IsArray = require('./IsArray');
var Type = require('./Type');

var forEach = require('../helpers/forEach');

var SLOT = require('internal-slot');

var hasProto = require('has-proto')();

// https://262.ecma-international.org/11.0/#sec-objectcreate

module.exports = function OrdinaryObjectCreate(proto) {
        if (proto !== null && Type(proto) !== 'Object') {
                throw new $TypeError('Assertion failed: `proto` must be null or an object');
        }
        var additionalInternalSlotsList = arguments.length < 2 ? [] : arguments[1];
        if (!IsArray(additionalInternalSlotsList)) {
                throw new $TypeError('Assertion failed: `additionalInternalSlotsList` must be an Array');
        }

        // var internalSlotsList = ['[[Prototype]]', '[[Extensible]]']; // step 1
        // internalSlotsList.push(...additionalInternalSlotsList); // step 2
        // var O = MakeBasicObject(internalSlotsList); // step 3
        // setProto(O, proto); // step 4
        // return O; // step 5

        var O;
        if ($ObjectCreate) {
                O = $ObjectCreate(proto);
        } else if (hasProto) {
                O = { __proto__: proto };
        } else {
                if (proto === null) {
                        throw new $SyntaxError('native Object.create support is required to create null objects');
                }
                var T = function T() {};
                T.prototype = proto;
                O = new T();
        }

        if (additionalInternalSlotsList.length > 0) {
                forEach(additionalInternalSlotsList, function (slot) {
                        SLOT.set(O, slot, void undefined);
                });
        }

        return O;
};