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Last change
on this file since 76712b2 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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| 1 | /* eslint-disable es/no-symbol -- required for testing */
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| 2 | var V8_VERSION = require('../internals/engine-v8-version');
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| 3 | var fails = require('../internals/fails');
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| 4 |
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| 5 | // eslint-disable-next-line es/no-object-getownpropertysymbols -- required for testing
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| 6 | module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
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| 7 | var symbol = Symbol();
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| 8 | // Chrome 38 Symbol has incorrect toString conversion
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| 9 | // `get-own-property-symbols` polyfill symbols converted to object are not Symbol instances
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| 10 | return !String(symbol) || !(Object(symbol) instanceof Symbol) ||
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| 11 | // Chrome 38-40 symbols are not inherited from DOM collections prototypes to instances
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| 12 | !Symbol.sham && V8_VERSION && V8_VERSION < 41;
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| 13 | });
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