Console script to download from jukebox fanburst rracks

FanburstGrabber.js

(async () => {
    const pAjaxLoad = url => {
        const oReq = new XMLHttpRequest();
        return new Promise((resolve, reject) => {
            oReq.open("GET", url, true);
            oReq.responseType = "arraybuffer";
            oReq.onload = () => resolve({buff: oReq.response});
            oReq.onerror = (e) => reject(new Error(`Error during request: ${e}`));
            oReq.send();
        });
    };
    const toSave = [];
    const getWrappedPromise = async track => {
        try {
            toSave.push({title: track.title, data: await pAjaxLoad(track.url)});
            d20plus.ut.log(`Downloaded "${track.title}" (${track.url})`);
        } catch (e) {
            d20plus.ut.error(`Error downloading "${track.title}" (${track.url}): ${e.message}\nRetrying with CORS-Anywhere...`);
            try {
                toSave.push({title: track.title, data: await pAjaxLoad(`https://cors-anywhere.herokuapp.com/${track.url}`)});
                d20plus.ut.log(`Downloaded "${track.title}" (${track.url}) using CORS-Anywhere`);
            } catch (e) {
                d20plus.ut.error(`Error downloading "${track.title}" (${track.url}): ${e.message}.`);
            }
        }
    };
    await Promise.all(Jukebox.playlist.filter(it => it.attributes.source === "Fanburst").map(it => ({
        title: it.attributes.title,
        url: `https://api.fanburst.com/tracks/${it.attributes.track_id}/stream?client_id=0fc1df8b-40a4-4391-b0f7-d0257edb6634`
    })).map(it => getWrappedPromise(it)));
    const zip = new JSZip();
    toSave.forEach((track, i) => zip.file(`${`${i}`.padStart(3, "0")}-${track.title}.mp3`, track.data.buff, {binary: true}));
    zip.generateAsync({type: "blob"}).then((content) => d20plus.ut.saveAs(content, `fanburst.zip`));
})();