| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | 'use strict'; |
| 2 | |
| 3 | var GetIntrinsic = require('get-intrinsic'); |
| 4 | |
| 5 | var hasSymbols = require('has-symbols')(); |
| 6 | |
| 7 | var $TypeError = GetIntrinsic('%TypeError%'); |
| 8 | |
| 9 | var $gOPN = GetIntrinsic('%Object.getOwnPropertyNames%'); |
| 10 | var $gOPS = hasSymbols && GetIntrinsic('%Object.getOwnPropertySymbols%'); |
| 11 | var keys = require('object-keys'); |
| 12 | |
| 13 | var esType = require('./Type'); |
| 14 | |
| 15 | // https://ecma-international.org/ecma-262/6.0/#sec-getownpropertykeys |
| 16 | |
| 17 | module.exports = function GetOwnPropertyKeys(O, Type) { |
| 18 | if (esType(O) !== 'Object') { |
| 19 | throw new $TypeError('Assertion failed: Type(O) is not Object'); |
| 20 | } |
| 21 | if (Type === 'Symbol') { |
| 22 | return $gOPS ? $gOPS(O) : []; |
| 23 | } |
| 24 | if (Type === 'String') { |
| 25 | if (!$gOPN) { |
| 26 | return keys(O); |
| 27 | } |
| 28 | return $gOPN(O); |
| 29 | } |
| 30 | throw new $TypeError('Assertion failed: `Type` must be `"String"` or `"Symbol"`'); |
| 31 | }; |