vue.ts

import { Component, Vue } from 'vue-property-decorator';                                                                                                                                                                                       
import AppHtml from './app.html';                                                                                                                                                                                                              
import { MapComponent, HeaderComponent, LeftPanelComponent } from '../';                                                                                                                                                                       
                                                                                                                                                                                                                                               
@Component({                                                                                                                                                                                                                                   
    template: AppHtml,                                                                                                                                                                                                                         
    components: {                                                                                                                                                                                                                              
        RouteMap: MapComponent,                                                                                                                                                                                                                
        Header: HeaderComponent,                                                                                                                                                                                                               
        LeftPanel: LeftPanelComponent,                                                                                                                                                                                                         
    },                                                                                                                                                                                                                                         
})                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                               
export class AppComponent extends Vue {                                                                                                                                                                                                        
    public created() {                                                                                                                                                                                                                         
        this.$vuetify.theme.dark = true;                                                                                                                                                                                                       
    }                                                                                                                                                                                                                                          
}