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19 lines
638 B
19 lines
638 B
'use strict'; |
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var getBuiltIn = require('../internals/get-built-in'); |
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var definePropertyModule = require('../internals/object-define-property'); |
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var wellKnownSymbol = require('../internals/well-known-symbol'); |
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var DESCRIPTORS = require('../internals/descriptors'); |
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var SPECIES = wellKnownSymbol('species'); |
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module.exports = function (CONSTRUCTOR_NAME) { |
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var Constructor = getBuiltIn(CONSTRUCTOR_NAME); |
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var defineProperty = definePropertyModule.f; |
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if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) { |
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defineProperty(Constructor, SPECIES, { |
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configurable: true, |
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get: function () { return this; } |
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}); |
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} |
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};
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