Prevent gumroad cart messing with docusaurus. Reposition cart button sensibly on docusaurus.

gumroad_docusaurus_cart_fix.js

(new MutationObserver((mutationList, observer) => {
    for (const mutation of mutationList) {
        if(mutation.type === "childList" && mutation.addedNodes.find(node=>node.className==="gumroad")) { 
          console.log('Gattem', mutation);
            const grNode = mutation.addedNodes.find(node=>node.className==="gumroad")
            const cartbtn = grNode.getElementsByClassName('cart-button')[0]
            grNode.style.position = cartbtn.style.position = ''
            grNode.style.padding = '4px'
            const isMobile = !!document.getElementsByClassName('menu__list').length
            const addTo = document.getElementsByClassName('menu__list')[0] || document.getElementsByClassName("navbar__items navbar__items--right")[0]
            if(isMobile) {
                addTo.appendChild(grNode);
                grNode.style.padding = '16px'
                grNode.style.width = cartbtn.style.width = '-webkit-fill-available'
            }
            else addTo.insertBefore(grNode,document.getElementsByClassName('DocSearch DocSearch-Button')[0].parentElement)
        }
    }
})).observe(document.body, {childList: true, subtree: true });