import { Message } from '@phosphor/messaging' ; import { Widget , PanelLayout } from '@phosphor/widgets' ; import '../style/index.css' ; /**
 * An VoyagerTutorial page widget.
 */ export class VoyagerTutorialWidget extends Widget { /**
     * Construct a new tutorial page widget.
     */ constructor ( content ) { super ( ) ; this . id = 'VoyagerTutorial-jupyterlab' ; this . title . label = 'Tutorial:JupyterLab_Voyager' ; this . title . closable = true ; this . addClass ( 'jp-VoyagerTutorialWidget' ) ; let toolbar = new Widget ( ) ; toolbar . addClass ( 'jp-VoyagerTutorial-toolbar' ) ; let layout = this . layout = new PanelLayout ( ) ; layout . addWidget ( toolbar ) ; layout . addWidget ( content ) ; } /**
     * Handle update requests for the widget.
     */ onUpdateRequest ( msg ) { } } ;