Future _handleRequest()

in lib/src/server.dart [174:193]

• 19 lines of code
• 6 McCabe index (conditional complexity)

  Future _handleRequest(request) async {
    var response;
    if (request is List) {
      if (request.isEmpty) {
        response = RpcException(error_code.INVALID_REQUEST,
                'A batch must contain at least one request.')
            .serialize(request);
      } else {
        var results = await Future.wait(request.map(_handleSingleRequest));
        var nonNull = results.where((result) => result != null);
        if (nonNull.isEmpty) return;
        response = nonNull.toList();
      }
    } else {
      response = await _handleSingleRequest(request);
      if (response == null) return;
    }

    if (!isClosed) _channel.sink.add(response);
  }