readFileDataAsText function
Reads file
as text.
Implementation
Future<String?> readFileDataAsText(File file) async {
final reader = FileReader();
reader.readAsText(file);
await reader.onLoadEnd.first;
if (reader.error != null) {
return null;
}
var fileData = reader.result as JSString?;
return fileData?.toDart;
}