Couchsurfing: Show week days in Dashboard overview

user.js

// ==UserScript==
// @name         Couchsurfing: Show week days in Dashboard overview
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Less cognitive load!
// @author       Hein Haraldson Berg
// @match        https://www.couchsurfing.com/dashboard
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const now = new Date();
    const year = now.getFullYear();

    let cardDetails = document.querySelectorAll('.mod-main .card .card-content > ul.mod-bulleted');
    cardDetails.forEach((cardDetail) => {
        let detailsListItem = cardDetail.querySelector('li:first-child');
        let details = detailsListItem.innerText.split('(');
        let dates = details[0].split('-');
        dates.forEach((date, i) => {
            dates[i] = new Date(`${date} ${year}`).toString().split(year)[0];
        });

        let meta = details.length > 1 ? ` (${details[1]}` : '';
        detailsListItem.innerText = `${dates.join(' – ')}${meta}`;
    });
})();