const style = process.browser && document.getElementById('theBottomNavStyle') export function bottomNavObservers (store) { if (!process.browser) { return } store.observe('bottomNav', bottomNav => { // disables or enables the style style.setAttribute('media', bottomNav ? 'all' : 'only x') // disable or enable the style }, { init: false }) // init: false because the inline script takes care of it }