| 1 | 'use strict';
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| 2 | var defineProperty = require('../internals/object-define-property').f;
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| 3 | var hasOwn = require('../internals/has-own-property');
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| 4 | var wellKnownSymbol = require('../internals/well-known-symbol');
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| 5 |
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| 6 | var TO_STRING_TAG = wellKnownSymbol('toStringTag');
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| 7 |
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| 8 | module.exports = function (target, TAG, STATIC) {
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| 9 | if (target && !STATIC) target = target.prototype;
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| 10 | if (target && !hasOwn(target, TO_STRING_TAG)) {
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| 11 | defineProperty(target, TO_STRING_TAG, { configurable: true, value: TAG });
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| 12 | }
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| 13 | };
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