feat: close rect geometry in csv export to match behavior of orion suite

src/util/export.ts

@@ -5,6 +5,7 @@ import { XYZtoLLA, LLAtoXYZ, WGS84Ellipsoid, project, Projections, EPSG_WGS84 }
 import { ErrSelectionCanceled } from './errors';
 import { ControlSession } from '../store/reducers/control-sessions';
 import { ControlledPoint } from '../store';
+import { slice } from 'lodash';
 
 const ExportDirectoryPath = `${RNFS.ExternalDirectoryPath}/fieldnotes/export`;
 const CellSeparator = ';';
@@ -80,15 +81,24 @@ export function entitiesToCSV(entities: any, projection: any) {
   };
 
   let index = 0;
-  return entities.reduce((rows: any[], e: any) => {
+  return entities.reduce((rows: any[], e: any) => {    
     rows.push(...e.positions.map((p: any) => {
       return [
         index++, 
         ...transformCoordinates(p), 
         ...metadataToArray(e.metadata)
-      ].join(CellSeparator);
+      ];
     }));
-    return rows;
+
+    // If the entity is of type "rect", push first row
+    // to close geometry
+    if (e.metadata.type == "rect")  {
+      const copy = rows[0].slice(0);
+      copy[0] = index++;
+      rows.push(copy);
+    }
+
+    return rows.map(row => row.join(CellSeparator));
   }, []).join(LineSeparator);
 
 }