问ArcGIS JS -如何检测多边形点连接

EN

        const drawLayer = new GraphicsLayer();

          const map = new Map({
            basemap: 'streets-vector',
            layers: [drawLayer],
          });

          const view = new MapView({
            container: mapRef.current,
            map: map,
            center: [-73.93, 40.73],
            zoom: 10,
          });

          const draw = new Draw({ view: view });

          document
            .getElementById('enableCreatePolygon')
            .addEventListener('click', () => {
              enableCreatePolygon(draw, view);
            });

          const enableCreatePolygon = (draw, view) => {
            const action = draw.create('polygon');

            action.on('vertex-add', (evt) => {
              createPolygonGraphic(evt.vertices);
            });

            action.on('vertex-remove', (evt) => {
              createPolygonGraphic(evt.vertices);
            });

            action.on('cursor-update', (evt) => {
              createPolygonGraphic(evt.vertices);
            });

            action.on('draw-complete', (evt) => {
              createPolygonGraphic(evt.vertices);
            });
          };

          const createPolygonGraphic = (vertices) => {
            view.graphics.removeAll();
            const polygon = {
              type: 'polygon', 
              rings: vertices,
              spatialReference: view.spatialReference,
            };
            const graphic = new Graphic({
              geometry: polygon,
              symbol: {
                type: 'simple-fill', 
                color: [51, 51, 204, 0.15],
                style: 'solid',
                outline: {
                  color: [51, 51, 204, 0.8],
                  width: 2,
                },
              },
            });