Feedbin: Keep selected centered

feedbin-center.js

// ==UserScript==
// @name         Center selected item
// @namespace    http://tampermonkey.net/
// @version      2026-02-22
// @description  try to take over the world!
// @author       Ross Wintle
// @match        https://feedbin.com/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=feedbin.com
// @grant        GM_addStyle
// ==/UserScript==

// BONUS: Make read items obvious even when selected.
GM_addStyle(".theme-auto .entry-summary.selected.read .entry-summary-inner { color: rgba(255,255,255,0.6); }");

(function() {
    'use strict';

    function centerItem(itemElement) {
            const container = itemElement.closest('.entries');
            const newScroll = itemElement.offsetTop - container.offsetHeight / 2 + itemElement.offsetHeight / 2;
            container.scrollTo({ left: 0, top: newScroll, behavior: 'smooth' });
    }

    document.querySelector('.entries-column').addEventListener('keyup', function (e) {
        if (e.key === 'ArrowUp' || e.key === 'ArrowDown') {
            const currentItem = document.querySelector('.entry-summary.selected');
            centerItem(currentItem);
        }
    });

    document.querySelector('.entries-column').addEventListener('click', function (e) {
       const item = e.target.closest('.entry-summary');
       if (item) {
           centerItem(item);
       }
    });
})();