Bandcamp - Download wishlist album links to json

extract.js

// bandcamp-dl -f -r -u -d --base-dir . `cat ~/Downloads/bandcamp-wishlist.json|jq -r '.[]'|tr '\n' ' '`
const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
async function download(jsonContent) {
    var element = document.createElement('a');

    element.setAttribute('href', 'data:application/json;charset=utf-8,' + encodeURIComponent(jsonContent));
    element.setAttribute('download', "bandcamp-wishlist.json");

    element.style.display = 'none';
    document.body.appendChild(element);
    element.click();
    document.body.removeChild(element);
}

async function main() {
    const albums = new Set();
    const $btn = $('button.show-more');
    const count = parseInt(Array.from($('ol#grid-tabs > li > span > span.count')).filter(item => item.parentElement.innerText.includes("wishlist"))[0].innerText);
    const SLEEP_TIME = 500;

    while (albums.size < count) {
        Array.from($$('.collection-title-details > a')).map((item) => albums.add(item.href))
        $btn.click();
        await sleep(SLEEP_TIME);
        console.log(`next page ${albums.size} / ${count}`);
    }

    download(JSON.stringify(Array.from(albums)));
}

main()