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18 lines
509 B
18 lines
509 B
'use strict'; |
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var GetIntrinsic = require('get-intrinsic'); |
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var $preventExtensions = GetIntrinsic('%Object.preventExtensions%', true); |
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var $isExtensible = GetIntrinsic('%Object.isExtensible%', true); |
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var isPrimitive = require('../helpers/isPrimitive'); |
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// https://ecma-international.org/ecma-262/6.0/#sec-isextensible-o |
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module.exports = $preventExtensions |
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? function IsExtensible(obj) { |
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return !isPrimitive(obj) && $isExtensible(obj); |
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} |
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: function IsExtensible(obj) { |
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return !isPrimitive(obj); |
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};
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