From 3ef999181e5f75012a372cc73782ae0e8e7bfc33 Mon Sep 17 00:00:00 2001
From: vimcaw <vimcaw@gmail.com>
Date: Thu, 5 Aug 2021 23:17:31 +0800
Subject: [PATCH] fix: return null rather than throw an error when
 activeDocument gone

avoid output errors on console
---
 src/Canvas/ContentContainer.tsx | 2 +-
 src/Canvas/index.tsx            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Canvas/ContentContainer.tsx b/src/Canvas/ContentContainer.tsx
index c90fe459..d4d3a3ee 100644
--- a/src/Canvas/ContentContainer.tsx
+++ b/src/Canvas/ContentContainer.tsx
@@ -6,11 +6,11 @@ import store from '@store';
 import canvasInstances from '@utils/canvasInstances';
 
 export default observer(({ children }: { children?: ReactNode }) => {
-  if (!store.activeDocument) throw new Error();
   const [mask, maskRef] = useState<PixiGraphics | null>(null);
   const containerRef = useCallback<RefCallback<PixiContainer>>(instance => {
     canvasInstances.contentContainer = instance;
   }, []);
+  if (!store.activeDocument) return null;
 
   return (
     <Container
diff --git a/src/Canvas/index.tsx b/src/Canvas/index.tsx
index f06c6368..b7db3524 100644
--- a/src/Canvas/index.tsx
+++ b/src/Canvas/index.tsx
@@ -13,7 +13,7 @@ settings.SCALE_MODE = SCALE_MODES.NEAREST;
 
 export default observer(() => {
   const [ref, canvasContainerRect] = useMeasure();
-  if (!store.activeDocument) throw new Error('Document not found');
+  if (!store.activeDocument) return null;
 
   return (
     <View