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Last change
on this file since e29cc2e was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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File size:
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| 1 | 'use strict';
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| 2 | var $propertyIsEnumerable = {}.propertyIsEnumerable;
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| 3 | // eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
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| 4 | var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
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| 5 |
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| 6 | // Nashorn ~ JDK8 bug
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| 7 | var NASHORN_BUG = getOwnPropertyDescriptor && !$propertyIsEnumerable.call({ 1: 2 }, 1);
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| 8 |
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| 9 | // `Object.prototype.propertyIsEnumerable` method implementation
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| 10 | // https://tc39.es/ecma262/#sec-object.prototype.propertyisenumerable
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| 11 | exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
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| 12 | var descriptor = getOwnPropertyDescriptor(this, V);
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| 13 | return !!descriptor && descriptor.enumerable;
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| 14 | } : $propertyIsEnumerable;
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