CDC #248 - Adding "preserveDrawingBuffer" prop to MapDraw component

packages/geospatial/src/components/MapDraw.js

@@ -82,6 +82,11 @@ type Props = {
    */
   onGeocodingSelection?: (data: any) => void,
 
+  /**
+   * If `true`, the map's canvas can be exported to a PNG using `map.getCanvas().toDataURL()`.
+   */
+  preserveDrawingBuffer?: boolean,
+
   /**
    * Map style object.
    */
@@ -197,8 +202,9 @@ const MapDraw = (props: Props) => {
     <Map
       attributionControl={false}
       cooperativeGestures={props.cooperativeGestures}
-      onLoad={() => setLoaded(true)}
       mapLib={maplibregl}
+      onLoad={() => setLoaded(true)}
+      preserveDrawingBuffer={props.preserveDrawingBuffer}
       ref={mapRef}
       style={style}
       mapStyle={mapStyleUrl}
@@ -241,6 +247,7 @@ const MapDraw = (props: Props) => {
 MapDraw.defaultProps = {
   buffer: DEFAULT_BUFFER,
   cooperativeGestures: true,
+  preserveDrawingBuffer: false,
   zoomDuration: DEFAULT_ZOOM_DELAY
 };