Method unsubscribe

packages/server/src/ws/connection.ts:643–647

(sid: string)

  }

  private unsubscribe(sid: string): void {
    if (!this.subscriptions.has(sid)) return;
    this.subscriptions.delete(sid);
    this.sessionClients.unsubscribe(this, sid);
  }

  private startPingTimer(): void {
    this.pingTimer = setInterval(() => {