uploadFile method
It's a Dart function that calls the JavaScript function uploadFile
Implementation
@override
Future<void> uploadFile(UploadLargestFilesProps arguments) async {
final uploadLargestFilesChannelHandler = UploadLargestFilesChannelHandler();
UploadLargestFilesWeb(arguments.onProgress);
/// It's converting the JavaScript Promise to a Dart Future.
await uploadLargestFilesChannelHandler.sendMethodMessage(
JsEvent.uploadFile,
arguments,
);
}