let passiveSupported = false; // eslint-disable-line import/no-mutable-exports if (typeof window !== 'undefined') { try { const options = Object.defineProperty({}, 'passive', { get() { passiveSupported = true; return false; }, }); const func = () => undefined; window.addEventListener('test', func, options); window.removeEventListener('test', func, options); } catch (err) { passiveSupported = false; } } export default passiveSupported;