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20 lines
673 B
20 lines
673 B
'use strict';
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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.es/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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