共有可能チャンネルに接続しようとしていて、かつそのチャンネルに既に接続していたら無意味なので無視するように

src/server/api/stream/channels/games/reversi-game.ts

@@ -8,6 +8,9 @@ import * as maps from '../../../../../games/reversi/maps';
 import Channel from '../../channel';
 
 export default class extends Channel {
+	public readonly chName = 'gamesReversiGame';
+	public readonly shouldShare = false;
+
 	private gameId: mongo.ObjectID;
 
 	@autobind

src/server/api/stream/channels/games/reversi.ts

@@ -5,6 +5,9 @@ import { publishMainStream } from '../../../../../stream';
 import Channel from '../../channel';
 
 export default class extends Channel {
+	public readonly chName = 'gamesReversi';
+	public readonly shouldShare = true;
+
 	@autobind
 	public async init(params: any) {
 		// Subscribe reversi stream