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