Last change
on this file since 6a80231 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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100644
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File size:
638 bytes
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1 | 'use strict';
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2 | var getBuiltIn = require('../internals/get-built-in');
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3 | var definePropertyModule = require('../internals/object-define-property');
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4 | var wellKnownSymbol = require('../internals/well-known-symbol');
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5 | var DESCRIPTORS = require('../internals/descriptors');
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6 |
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7 | var SPECIES = wellKnownSymbol('species');
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8 |
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9 | module.exports = function (CONSTRUCTOR_NAME) {
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10 | var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
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11 | var defineProperty = definePropertyModule.f;
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12 |
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13 | if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {
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14 | defineProperty(Constructor, SPECIES, {
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15 | configurable: true,
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16 | get: function () { return this; }
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17 | });
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18 | }
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19 | };
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