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- 'use strict';
- var GetIntrinsic = require('get-intrinsic');
- var $ObjectCreate = GetIntrinsic('%Object.create%', true);
- var $TypeError = GetIntrinsic('%TypeError%');
- var $SyntaxError = GetIntrinsic('%SyntaxError%');
- var Type = require('./Type');
- var hasProto = !({ __proto__: null } instanceof Object);
- // https://ecma-international.org/ecma-262/6.0/#sec-objectcreate
- module.exports = function ObjectCreate(proto, internalSlotsList) {
- if (proto !== null && Type(proto) !== 'Object') {
- throw new $TypeError('Assertion failed: `proto` must be null or an object');
- }
- var slots = arguments.length < 2 ? [] : internalSlotsList;
- if (slots.length > 0) {
- throw new $SyntaxError('es-abstract does not yet support internal slots');
- }
- if ($ObjectCreate) {
- return $ObjectCreate(proto);
- }
- if (hasProto) {
- return { __proto__: proto };
- }
- if (proto === null) {
- throw new $SyntaxError('native Object.create support is required to create null objects');
- }
- var T = function T() {};
- T.prototype = proto;
- return new T();
- };
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