From 5d2ddace70e0931f734faee5f3fd6e9266503088 Mon Sep 17 00:00:00 2001
From: kts of kettek <kts@kettek.net>
Date: Thu, 22 Feb 2024 00:56:54 -0800
Subject: [PATCH] Check for file on wheel

---
 frontend/src/sections/Palette.svelte | 1 +
 1 file changed, 1 insertion(+)

diff --git a/frontend/src/sections/Palette.svelte b/frontend/src/sections/Palette.svelte
index beeb27f..1c877ab 100644
--- a/frontend/src/sections/Palette.svelte
+++ b/frontend/src/sections/Palette.svelte
@@ -48,6 +48,7 @@
     }
   }
   function handleWheel(event: WheelEvent) {
+    if (!file) return
     if (event.deltaX < 0) {
       secondaryColorIndex = (secondaryColorIndex - 1 + file.canvas.palette.length) % file.canvas.palette.length
     } else if (event.deltaX > 0) {