Delete all files from a Prusa sl1s 3d printer - run in console of the printer

clear_sl1s.js

async function invoke_xhr(method, url) {
    return new Promise(function (resolve, reject) {
        let xhr = new XMLHttpRequest();
        xhr.open(method, url);
        xhr.onload = function () {
            if (this.status >= 200 && this.status < 300) {
                resolve(xhr.response);
            } else {
                reject({
                    status: this.status,
                    statusText: xhr.statusText
                });
            }
        };
        xhr.onerror = function () {
            reject({
                status: this.status,
                statusText: xhr.statusText
            });
        };
        xhr.send();
    });
}
async function getFiles() {
    const data = JSON.parse(await invoke_xhr("GET", "/api/files?recursive=true")).files;
    console.error("Found " + data.length + " files. Use await deleteFiles(allFiles) to delete them. This will delete all files, use with caution!\nFor recursive deletion, use await deleteFiles(allFiles, true).");
    return data;
}
async function deleteFiles(files, recursive = false) {
    console.log("Deleting " + files.length + " files. You might see some errors in console, but that's fine.");
    for (const file of files) {
        if (file.type === "folder") {
            if (recursive) {
                deleteFiles(file.children, true);
            } else {
                console.log("Skipping folder " + file.path);
            }
            continue;
        }
        console.log("Deleting " + file.path);
        await invoke_xhr("DELETE", file.refs.resource);
    }
    console.log("All done!");
}
allFiles = await getFiles();