add initial value to reduce

src/artigen/artigen.ts

@@ -117,14 +117,24 @@ export const runCmd = (fullCmd: string, modifiers: RollModifiers): SolvedRoll =>
     returnMsg.line3 = line3;
 
     // Reduce counts to a single object
-    returnMsg.counts = tempCountDetails.reduce((acc, cnt) => ({
+    returnMsg.counts = tempCountDetails.reduce(
+      (acc, cnt) => ({
         total: acc.total + cnt.total,
         successful: acc.successful + cnt.successful,
         failed: acc.failed + cnt.failed,
         rerolled: acc.rerolled + cnt.rerolled,
         dropped: acc.dropped + cnt.dropped,
         exploded: acc.exploded + cnt.exploded,
-    }));
+      }),
+      {
+        total: 0,
+        successful: 0,
+        failed: 0,
+        rerolled: 0,
+        dropped: 0,
+        exploded: 0,
+      },
+    );
   } catch (e) {
     // Fill in the return block
     returnMsg.error = true;