Method findOrCreateSession

lib/clientstate.ts:445–454

(id: number)

    }

    findOrCreateSession(id: number) {
        let session = this.findSessionById(id);
        if (session) return session;

        session = new ClientStateSession();
        session.id = id;
        this.sessions.push(session);

        return session;
    }

    findOrCreateTree(id: number) {
        let tree = this.findTreeById(id);