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29 lines
1.1 KiB
29 lines
1.1 KiB
4 years ago
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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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