update route preview

src/preview /components/MapWidgetContainer/mapStationsFromApi.ts

@@ -0,0 +1,19 @@
+import { Track } from '@mt/common-types';
+import { StationOnMap } from '@mt/components';
+
+export function mapStationsFromApi(stations: StationOnMap[], track: Track): StationOnMap[] {
+  return stations.map<StationOnMap>((station) => {
+    const { pointOnMap } = station;
+    const trackIndex = track.findIndex(
+      (trackPoint) => pointOnMap.lat === trackPoint.lat && pointOnMap.lon === trackPoint.lon
+    );
+
+    return {
+      ...station,
+      pointOnMap: {
+        ...pointOnMap,
+        trackIndex,
+      },
+    };
+  });
+}