alpine/packages/navigate/src/scroll.js

export function storeScrollInformationInHtmlBeforeNavigatingAway() {
    document.body.setAttribute('data-scroll-x', document.body.scrollLeft)
    document.body.setAttribute('data-scroll-y', document.body.scrollTop)

    document.querySelectorAll('[x-navigate\\:scroll]').forEach(el => {
        el.setAttribute('data-scroll-x', el.scrollLeft)
        el.setAttribute('data-scroll-y', el.scrollTop)
    })
}

export function restoreScrollPosition() {
    let scroll = el => {
        el.scrollTo(Number(el.getAttribute('data-scroll-x')), Number(el.getAttribute('data-scroll-y')))
        el.removeAttribute('data-scroll-x')
        el.removeAttribute('data-scroll-y')
    }

    scroll(document.body)

    document.querySelectorAll('[x-navigate\\:scroll]').forEach(scroll)
}