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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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File size:
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1 | 'use strict';
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2 |
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3 | var $defineProperty = require('es-define-property');
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4 |
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5 | var hasPropertyDescriptors = function hasPropertyDescriptors() {
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6 | return !!$defineProperty;
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7 | };
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8 |
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9 | hasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() {
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10 | // node v0.6 has a bug where array lengths can be Set but not Defined
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11 | if (!$defineProperty) {
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12 | return null;
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13 | }
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14 | try {
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15 | return $defineProperty([], 'length', { value: 1 }).length !== 1;
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16 | } catch (e) {
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17 | // In Firefox 4-22, defining length on an array throws an exception.
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18 | return true;
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19 | }
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20 | };
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21 |
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22 | module.exports = hasPropertyDescriptors;
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