Named exports from ol/geom/flat/topology

src/ol/geom/flat/topology.js

@@ -2,7 +2,6 @@
  * @module ol/geom/flat/topology
  */
 import {linearRing as linearRingArea} from '../flat/area.js';
-const _ol_geom_flat_topology_ = {};
 
 /**
  * Check if the linestring is a boundary.
@@ -12,12 +11,11 @@ const _ol_geom_flat_topology_ = {};
  * @param {number} stride Stride.
  * @return {boolean} The linestring is a boundary.
  */
-_ol_geom_flat_topology_.lineStringIsClosed = function(flatCoordinates, offset, end, stride) {
+export function lineStringIsClosed(flatCoordinates, offset, end, stride) {
   const lastCoord = end - stride;
   if (flatCoordinates[offset] === flatCoordinates[lastCoord] &&
       flatCoordinates[offset + 1] === flatCoordinates[lastCoord + 1] && (end - offset) / stride > 3) {
     return !!linearRingArea(flatCoordinates, offset, end, stride);
   }
   return false;
-};
-export default _ol_geom_flat_topology_;
+}