getByVideo method
Gets the metadata associated with the channel that uploaded the specified video.
Implementation
Future<Channel> getByVideo(dynamic videoId) async {
videoId = VideoId.fromString(videoId);
final videoInfoResponse = await WatchPage.get(_httpClient, videoId.value);
final playerResponse = videoInfoResponse.playerResponse!;
final channelId = playerResponse.videoChannelId;
return get(ChannelId(channelId));
}