Sha256: e01a60e8962305cdf917e315e2d00b4ac5a2faf63f251b493b5d411fde2f0649
Contents?: true
Size: 817 Bytes
Versions: 27
Compression:
Stored size: 817 Bytes
Contents
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $defineProperty = GetIntrinsic('%Object.defineProperty%', true);
var hasPropertyDescriptors = function hasPropertyDescriptors() {
if ($defineProperty) {
try {
$defineProperty({}, 'a', { value: 1 });
return true;
} catch (e) {
// IE 8 has a broken defineProperty
return false;
}
}
return false;
};
hasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() {
// node v0.6 has a bug where array lengths can be Set but not Defined
if (!hasPropertyDescriptors()) {
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;
Version data entries
27 entries across 27 versions & 2 rubygems