deckmanager-facade-part.ts

// ... imports

export default class FacadeService implements IFacadeService {
    private dataService:IDataService;
    private uiStateService:IUIStateService;

    constructor(dataService:IDataService, uiStateService:IUIStateService) {
        this.dataService = dataService;
        this.uiStateService = uiStateService;
    }

    public getDecks():IDeck[] {
        return this.dataService.getDecks();
    }

    public createNewDeck(name:string):void {
        this.dataService.createNewDeck(name);
        this.uiStateService.setShowNewDeckForm(false);
    }
    
    // ... rest of service
}

FacadeService.$inject = ['DataService', 'UIStateService'];