HTB lab annotate flag owners

snippet.js

function getLabId() {
    return /\d+$/.exec(location.pathname)[0]
}

async function getActivity() {
    const lab_id = getLabId();
    let page = 1;
    let data = await (await fetch(`https://enterprise.hackthebox.com/api/v1/product/labs/${lab_id}/activity?page=${page}`)).json();
    const activities = data.data;
    for (page++; page <= data.meta.last_page; page++) {
        data = await (await fetch(`https://enterprise.hackthebox.com/api/v1/product/labs/${lab_id}/activity?page=${page}`)).json();
        activities.push(...data.data);
    }
    return activities;
}

async function annotate() {
    document.querySelectorAll('.flag-owners').forEach(e => e.remove());
    const activities = await getActivity();
    const flags = activities.reduce((acc, curr) => {
        const flag = curr.flag && curr.flag.title || curr.machine.name;
        const users = acc[flag] || [];
        users.push(curr.user.name);
        acc[flag] = users;
        return acc;
    }, {});

    for (const flag in flags) {
        const iter = document.evaluate(`//div[contains(text(), "${flag}")]`, document, null, XPathResult.ANY_TYPE, null);
        const div = iter.iterateNext();
        const span = document.createElement("span");
        span.style.display = 'block';
        span.style.fontSize = 'smaller';
        span.style.color = '#aaa';
        span.className = 'flag-owners';
        span.innerText = flags[flag].join(", ");
        div.appendChild(span);
    }
}

async function getUsers() {
    const lab_id = getLabId();
    return (await (await fetch(`https://enterprise.hackthebox.com/api/v1/product/labs/${lab_id}/users`)).json()).data;
}

async function points() {
    document.querySelectorAll('.user-points').forEach(e => e.remove());
    const users = await getUsers();
    const items = [];
    const iter = document.evaluate('//div[contains(@id, "user-options-")]', document.getElementById('LabSideContent'), null, XPathResult.ANY_TYPE, null);
    while ((el = iter.iterateNext()) !== null) {
        items.push(el);
    }
    for (const user of users) {
        for (const el of items) {
            if (el.textContent.indexOf(user.name) > -1) {
                const span = document.createElement('span');
                span.textContent = '' + user.total_points;
                span.className = 'user-points';
                el.children[0].appendChild(span);
            }
        }
    }
}

annotate();
points();