const userAgent = window.navigator.userAgent.toLowerCase(); // TODO: impl more accurate logic // https://youtrack.weseek.co.jp/issue/GW-4826 const isOldIos = /iphone os 12/.test(userAgent); /** * Apply 'oldIos' attribute to */ function applyOldIos() { if (isOldIos) { document.documentElement.setAttribute('old-ios', 'true'); } } export { // eslint-disable-next-line import/prefer-default-export applyOldIos, };