12345678910111213141516171819202122232425262728293031 |
- 'use strict';
- var GetIntrinsic = require('get-intrinsic');
- var hasSymbols = require('has-symbols')();
- var $TypeError = GetIntrinsic('%TypeError%');
- var $gOPN = GetIntrinsic('%Object.getOwnPropertyNames%');
- var $gOPS = hasSymbols && GetIntrinsic('%Object.getOwnPropertySymbols%');
- var keys = require('object-keys');
- var esType = require('./Type');
- // https://ecma-international.org/ecma-262/6.0/#sec-getownpropertykeys
- module.exports = function GetOwnPropertyKeys(O, Type) {
- if (esType(O) !== 'Object') {
- throw new $TypeError('Assertion failed: Type(O) is not Object');
- }
- if (Type === 'Symbol') {
- return $gOPS ? $gOPS(O) : [];
- }
- if (Type === 'String') {
- if (!$gOPN) {
- return keys(O);
- }
- return $gOPN(O);
- }
- throw new $TypeError('Assertion failed: `Type` must be `"String"` or `"Symbol"`');
- };
|