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20 lines
638 B
JavaScript
20 lines
638 B
JavaScript
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'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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