Show key name in search results

gistfile1.js

// ==UserScript==
// @name         New Userscript
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://weblate.team.practicum.com/search/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=practicum.com
// @grant        none
// ==/UserScript==

(async function() {
    'use strict';

    const getCheckSum = (url) => {
        return (new URL(url)).searchParams.get('checksum')
    }

    const isSearchPage = document.querySelector('.result-page-form')
    if (!isSearchPage) {
        return;
    }

    const cache = {}

    const rows = document.querySelectorAll('.unit-listing-body tr');

    for (let row of rows) {
        const link = row.querySelector('td:last-child a')
        if (!link) {
            return
        }

        const keyColumn = document.createElement('td');
        keyColumn.innerText = 'loading...';
        keyColumn.style.minWidth = '200px'
        row.append(keyColumn);

        let keyName = cache[getCheckSum(link.href)]

        if (!keyName) {
            const html = await (await fetch(link.href)).text()
            const fetchedDocument = document.createElement('div')
            fetchedDocument.innerHTML = html;

            keyName =
                fetchedDocument.querySelector('.source-language-group .wrap-simple')?.innerText ||
                fetchedDocument.querySelector('.list-group-item.sidebar-button .wrap-text')?.innerText ||
                '-';

            cache[getCheckSum(link.href)] = keyName;
        }

        keyColumn.innerText = keyName;
    }
})();