mirror of
https://github.com/musix-org/musix-oss
synced 2024-12-23 22:33:17 +00:00
20 lines
638 B
JavaScript
20 lines
638 B
JavaScript
|
'use strict';
|
||
|
|
var getBuiltIn = require('../internals/get-built-in');
|
||
|
|
var definePropertyModule = require('../internals/object-define-property');
|
||
|
|
var wellKnownSymbol = require('../internals/well-known-symbol');
|
||
|
|
var DESCRIPTORS = require('../internals/descriptors');
|
||
|
|
|
||
|
|
var SPECIES = wellKnownSymbol('species');
|
||
|
|
|
||
|
|
module.exports = function (CONSTRUCTOR_NAME) {
|
||
|
|
var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
|
||
|
|
var defineProperty = definePropertyModule.f;
|
||
|
|
|
||
|
|
if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {
|
||
|
|
defineProperty(Constructor, SPECIES, {
|
||
|
|
configurable: true,
|
||
|
|
get: function () { return this; }
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|