scroll-to-top-cohost.user.js

// ==UserScript==
// @name         Click header to scroll to the top
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  try to take over the world!
// @author       Damien Erambert (Eramdam)
// @match        https://cohost.org/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=cohost.org
// @grant        none
// ==/UserScript==

(function() {
    'use strict';


    const header = document.querySelector('#app > div > header');


    if (header) {
        header.addEventListener('click', () => {
            const isOnFollowing = window.location.href.includes('/rc/project/following');
            const scrollableElement = isOnFollowing ? document.querySelector('#app > div > header + div > .styled-scrollbars-light > ul + div + div > div + div') : document.documentElement;
            if (!scrollableElement) {
                return;
            }
            if (scrollableElement.scrollTop > 10) {
                scrollableElement.scrollTo({
                    top: 0,
                    behavior: "smooth"
                })
            }
        })
    }
})();