Don’t yield null cells.

d3 · May 23, 2018 · e641963 · e641963
1 parent 59f4878
commit e641963
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/voronoi.js b/src/voronoi.js
@@ -116,7 +116,8 @@ export default class Voronoi {
   *cellPolygons() {
     const {delaunay: {points}} = this;
     for (let i = 0, n = points.length / 2; i < n; ++i) {
-      yield this.cellPolygon(i);
+      const cell = this.cellPolygon(i);
+      if (cell) yield cell;
     }
   }
   cellPolygon(i) {