From 24e99495e92fb1933e1877c989050afead2fbe08 Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Mon, 23 Jun 2025 09:22:04 -0400
Subject: [PATCH] handle drives with async or sync slice fns

---
 src/kiri/widget.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/kiri/widget.js b/src/kiri/widget.js
index 4500ff2d..c55df903 100644
--- a/src/kiri/widget.js
+++ b/src/kiri/widget.js
@@ -837,8 +837,8 @@ class Widget {
             let drv = driver[settings.mode.toUpperCase()];
 
             if (drv) {
-                drv.slice(settings, widget, catchupdate, catchdone)
-                    .catch(error => ondone(error));
+                let promise = drv.slice(settings, widget, catchupdate, catchdone);
+                if (promise) promise.catch(error => ondone(error));
             } else {
                 console.log('invalid mode: '+settings.mode);
                 ondone('invalid mode: '+settings.mode);