game: add: docstring

frontend/static/js/api/matchmaking.js

@@ -13,7 +13,14 @@ class MatchMaking
 		this.client = client
 		this.searching = false;
 	}
-		
+	
+	/**
+	 * 
+	 * @param {CallableFunction} receive_func 
+	 * @param {CallableFunction} disconnect_func 
+	 * @param {Number} mode The number of players in a game 
+	 * @returns {undefined}
+	 */
 	async start(receive_func, disconnect_func, mode)
 	{
 		if (!await this.client.isAuthentificate())
@@ -36,6 +43,7 @@ class MatchMaking
 		this._socket.onclose = this.onclose.bind(this);
 	}
 
+	
 	onclose(event)
 	{
 		this.stop();
@@ -44,8 +52,10 @@ class MatchMaking
 
 	async stop()
 	{
+		if (this._socket)
+			this._socket.close()
+		this._socket = undefined
 		this.searching = false;
-		this._socket.close()
 	}
 }