7f2dd5260f
- Complete React app with 7 developer tools - JSON Tool with visual structured editor - Serialize Tool with visual structured editor - URL, Base64, CSV/JSON, Beautifier, Diff tools - Responsive navigation with dropdown menu - Dark/light mode toggle - Mobile-responsive design with sticky header - All tools working with copy/paste functionality
20 lines
957 B
JavaScript
20 lines
957 B
JavaScript
'use strict';
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/* eslint-disable es/no-symbol -- required for testing */
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var V8_VERSION = require('../internals/environment-v8-version');
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var fails = require('../internals/fails');
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var globalThis = require('../internals/global-this');
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var $String = globalThis.String;
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// eslint-disable-next-line es/no-object-getownpropertysymbols -- required for testing
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module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
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var symbol = Symbol('symbol detection');
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// Chrome 38 Symbol has incorrect toString conversion
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// `get-own-property-symbols` polyfill symbols converted to object are not Symbol instances
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// nb: Do not call `String` directly to avoid this being optimized out to `symbol+''` which will,
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// of course, fail.
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return !$String(symbol) || !(Object(symbol) instanceof Symbol) ||
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// Chrome 38-40 symbols are not inherited from DOM collections prototypes to instances
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!Symbol.sham && V8_VERSION && V8_VERSION < 41;
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});
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