labolyon.fr/js/status.js

/**
 * Fetch status content and insert main content into provided container
 * @param {Element} containerEl Container to insert status into
 */
async function insertStatus(containerEl){

    const baseUrl = containerEl.href;
    const res = await fetch(baseUrl, {cache:"no-cache"});

    if(!res.ok){
        console.info(`Network error requesting status : ${res.status} ${res.statusText}`);
        return;
    }

    const dom = new DOMParser().parseFromString(await res.text(), "text/html");


    let base = dom.createElement("base");
    base.href = containerEl.href;
    dom.head.append(base);

    const main = dom.querySelector("main");

    if(!main)
        throw new Error("Status page does not contain a <main> element");

    for(let it of main.querySelectorAll("[href],[src]")){
        if(it.hasAttribute("href")){
            it.href = it.href
        } else {
            it.src = it.src
        }
    }

    containerEl.innerHTML = "";
    for(let node of main.childNodes){
        containerEl.append(document.importNode(node, true));
    }
    containerEl.className = main.className;
}

insertStatus(document.getElementById("status"))