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- '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; }
- });
- }
- };
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