Fix Draw.removeLastPoint exception when no points to remove

2017-12-01 15:50:21 +00:00
parent fca0b0771d
commit 90d8224a08
2 changed files with 29 additions and 1 deletions
--- a/src/ol/interaction/draw.js
+++ b/src/ol/interaction/draw.js
@@ -168,7 +168,12 @@ ol.interaction.Draw = function(options) {
        var geometry = opt_geometry;
        if (geometry) {
          if (mode === ol.interaction.Draw.Mode_.POLYGON) {
-            geometry.setCoordinates([coordinates[0].concat([coordinates[0][0]])]);
+            if (coordinates[0].length) {
+              // Add a closing coordinate to match the first
+              geometry.setCoordinates([coordinates[0].concat([coordinates[0][0]])]);
+            } else {
+              geometry.setCoordinates([]);
+            }
          } else {
            geometry.setCoordinates(coordinates);
          }