Lit 元件強制刷新 Lit Web Component forced refresh

    @state() forceUpdate: boolean = false;
    render() {
        if (this.forceUpdate) {
            return nothing;
        }
    }
    /** 強制刷新 by mowei */
    async forceRequestUpdate() {
        this.forceUpdate = true;
        this.requestUpdate();
        await this.updateComplete;
        this.forceUpdate = false;
    }