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19 lines
666 B
19 lines
666 B
var $ = require('../internals/export'); |
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var getBuiltIn = require('../internals/get-built-in'); |
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var anObject = require('../internals/an-object'); |
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var FREEZING = require('../internals/freezing'); |
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// `Reflect.preventExtensions` method |
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// https://tc39.github.io/ecma262/#sec-reflect.preventextensions |
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$({ target: 'Reflect', stat: true, sham: !FREEZING }, { |
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preventExtensions: function preventExtensions(target) { |
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anObject(target); |
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try { |
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var objectPreventExtensions = getBuiltIn('Object', 'preventExtensions'); |
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if (objectPreventExtensions) objectPreventExtensions(target); |
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return true; |
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} catch (error) { |
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return false; |
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} |
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} |
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});
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