Nearest neighbour (Turfjs#1411)

* Add typescript validation fix
hy9be · Jun 12, 2018 · 60b824f · 60b824f
1 parent be397b4
commit 60b824f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/turf-nearest-neighbor-analysis/index.ts b/packages/turf-nearest-neighbor-analysis/index.ts
@@ -95,7 +95,9 @@ function nearestNeighborAnalysis(dataset: FeatureCollection<any>, options?: {
         const otherFeatures = featureCollection<Point>(features.filter((f, i) => {
             return i !== index;
         }));
-        return distance(feature, nearestPoint(feature, otherFeatures), {units});
+        // Have to add the ! to make typescript validation pass
+        // see https://stackoverflow.com/a/40350534/1979085
+        return distance(feature, nearestPoint(feature, otherFeatures).geometry!.coordinates, {units});
     }).reduce((sum, value) => { return sum + value; }, 0) / n;
 
     const populationDensity = n / convertArea(area(studyArea), 'meters', units);