webdev01/utils/mapview.tsx

// MapViewManager.ts
import { JimuMapView } from 'jimu-arcgis';

class MapViewManager {
    private static instance: MapViewManager;
    private mapView: JimuMapView | null = null;

    private constructor() { }

    static getInstance(): MapViewManager {
        if (!MapViewManager.instance) {
            MapViewManager.instance = new MapViewManager();
        }
        return MapViewManager.instance;
    }

    setMapView(view: JimuMapView) {
        this.mapView = view;
    }

    getMapView(): JimuMapView | null {
        return this.mapView;
    }
}

export const mapViewManager = MapViewManager.getInstance();