readFileDataAsBlobURL function
Reads file as Blob URL.
Implementation
Future<String?> readFileDataAsBlobURL(File file, [String accept = '']) async {
var bs = await readFileDataAsArrayBuffer(file);
if (bs == null) return null;
var mimeType = getFileMimeType(file, accept);
var mimeTypeStr = mimeType?.toString() ?? MimeType.applicationOctetStream;
await _yeld();
var blobURL = createBlobURL(bs, mimeTypeStr);
await _yeld();
return blobURL;
}