createWriter method

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;
}