Secure your code as it's written. Use Snyk Code to scan source code in minutes - no build needed - and fix issues immediately.
module.exports = function () {
var symbol;
if (typeof Symbol !== 'function') return false;
symbol = Symbol('test symbol');
try { String(symbol); } catch (e) { return false; }
// Return 'true' also for polyfills
if (!validTypes[typeof Symbol.iterator]) return false;
if (!validTypes[typeof Symbol.toPrimitive]) return false;
if (!validTypes[typeof Symbol.toStringTag]) return false;
return true;
};
module.exports = function () {
var symbol;
if (typeof Symbol !== 'function') return false;
symbol = Symbol('test symbol');
try {
if (String(symbol) !== 'Symbol (test symbol)') return false;
} catch (e) { return false; }
if (typeof Symbol.iterator === 'symbol') return true;
// Return 'true' for polyfills
if (typeof Symbol.isConcatSpreadable !== 'object') return false;
if (typeof Symbol.isRegExp !== 'object') return false;
if (typeof Symbol.iterator !== 'object') return false;
if (typeof Symbol.toPrimitive !== 'object') return false;
if (typeof Symbol.toStringTag !== 'object') return false;
if (typeof Symbol.unscopables !== 'object') return false;
return true;
};
module.exports = function () {
var symbol;
if (typeof Symbol !== 'function') return false;
symbol = Symbol('test symbol');
try { String(symbol); } catch (e) { return false; }
if (typeof Symbol.iterator === 'symbol') return true;
// Return 'true' for polyfills
if (typeof Symbol.isConcatSpreadable !== 'object') return false;
if (typeof Symbol.isRegExp !== 'object') return false;
if (typeof Symbol.iterator !== 'object') return false;
if (typeof Symbol.toPrimitive !== 'object') return false;
if (typeof Symbol.toStringTag !== 'object') return false;
if (typeof Symbol.unscopables !== 'object') return false;
return true;
};