Skip processing of child paths in mergeEraser

src/helper/blob-tools/blob.js

@@ -263,8 +263,12 @@ class Blobbiness {
                 class: paper.PathItem
             });
         }
-        
+
         for (let i = items.length - 1; i >= 0; i--) {
+            // If a path is part of a compound path, that parent path will later be processed.
+            // Skip processing the child path so as not to double-process it.
+            if (items[i].parent instanceof paper.CompoundPath) continue;
+
             // TODO handle compound paths
             if (items[i] instanceof paper.Path && (!items[i].fillColor || items[i].fillColor._alpha === 0)) {
                 // Gather path segments