Function blobToDataURL

DownloadAllContent/DownloadAllContentSavaAsZIP.user.js:57–68

(blob)

    }

    async function blobToDataURL(blob) {
        return await new Promise((resolve) => {
            var a = new FileReader();
            a.readAsDataURL(blob);
            a.onload = function (e) {
                resolve(e.target.result);
            };
            a.onerror = function (e) {
                resolve(null);
            };
        });
    }

    async function urlToBlob(url) {
        return await new Promise((resolve) => {