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- 'use strict';
- var $defineProperty = require('es-define-property');
- var hasPropertyDescriptors = function hasPropertyDescriptors() {
- return !!$defineProperty;
- };
- hasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() {
- // node v0.6 has a bug where array lengths can be Set but not Defined
- if (!$defineProperty) {
- return null;
- }
- try {
- return $defineProperty([], 'length', { value: 1 }).length !== 1;
- } catch (e) {
- // In Firefox 4-22, defining length on an array throws an exception.
- return true;
- }
- };
- module.exports = hasPropertyDescriptors;
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