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28 lines
1.1 KiB
28 lines
1.1 KiB
var $ = require('../internals/export'); |
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var DESCRIPTORS = require('../internals/descriptors'); |
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var anObject = require('../internals/an-object'); |
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var toPrimitive = require('../internals/to-primitive'); |
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var definePropertyModule = require('../internals/object-define-property'); |
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var fails = require('../internals/fails'); |
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// MS Edge has broken Reflect.defineProperty - throwing instead of returning false |
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var ERROR_INSTEAD_OF_FALSE = fails(function () { |
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// eslint-disable-next-line no-undef |
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Reflect.defineProperty(definePropertyModule.f({}, 1, { value: 1 }), 1, { value: 2 }); |
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}); |
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// `Reflect.defineProperty` method |
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// https://tc39.github.io/ecma262/#sec-reflect.defineproperty |
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$({ target: 'Reflect', stat: true, forced: ERROR_INSTEAD_OF_FALSE, sham: !DESCRIPTORS }, { |
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defineProperty: function defineProperty(target, propertyKey, attributes) { |
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anObject(target); |
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var key = toPrimitive(propertyKey, true); |
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anObject(attributes); |
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try { |
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definePropertyModule.f(target, key, attributes); |
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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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