description

# createWriter method Null safety

1. @JSName('createWriter')

Future<FileWriter> createWriter ()
@JSName('createWriter')

## Implementation

    @JSName('createWriter')
    Future<FileWriter> createWriter() {
      var completer = new Completer<FileWriter>();
      _createWriter((value) {
        applyExtension('FileWriter', value);
        completer.complete(value);
      }, (error) {
        completer.completeError(error);
      });
      return completer.future;
    }