https://rixz.nl/js/fileupload.js?v=V2.0.0

1function openDialog() {
2    document.getElementById('fileid').click();
3    return document.getElementById('fileid').value;
4}
5
6window.downloadFileFromStream = async (fileName, contentStreamReference) => {
7    const arrayBuffer = await contentStreamReference.arrayBuffer();
8    const blob = new Blob([arrayBuffer]);
9    const url = URL.createObjectURL(blob);
10    const anchorElement = document.createElement("a");
11
12    anchorElement.href = url;
13    anchorElement.download = fileName ?? "";
14    anchorElement.click();
15    anchorElement.remove();
16    URL.revokeObjectURL(url);
17}
18
19function triggerFileDownload(fileName, url) {
20    fetch(url, {
21        method: 'GET'
22    }).then(resp => resp.blob())
23        .then(blob => {
24            const url = window.URL.createObjectURL(blob);
25            const a = document.createElement('a');
26            a.style.display = 'none';
27            a.href = url;
28            a.download = fileName;
29            document.body.appendChild(a);
30            a.click();
31            window.URL.revokeObjectURL(url);
32        })
33}