Feature Component

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            // Perform a hitTest on the map component.
            const hitTest = await mapElement.hitTest(event, {
              include: featureLayer
            });
            // Confirm that the hitTest results contain a graphic with a popupTemplate.
            const results = hitTest.results.filter((result) => {
              return result.graphic.layer.popupTemplate;
            });
            // Get the first result from the hitTest and the objectId of the feature.
            const result = results[0];
            const newObjectId = result?.graphic.attributes[featureLayer.objectIdField];
            // If the objectId has changed, update the graphic and highlight.
            if (!newObjectId) {
              highlight?.remove();
              objectId = arcgisFeature.graphic = defaultGraphic;
            } else if (objectId !== newObjectId) {
              highlight?.remove();
              objectId = newObjectId;
              arcgisFeature.graphic = result.graphic;
              highlight = layerView.highlight(result.graphic);
            }