From 04e23e1d299c9877eb75995d58938d047c4bed3c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arno=C5=A1t=20Pleskot?= <arnostpleskot@gmail.com>
Date: Tue, 1 Aug 2023 16:30:45 +0200
Subject: [PATCH] fix: do not animate empty scene

---
 src/components/App.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/App.tsx b/src/components/App.tsx
index 3544c756f..1889a1f7b 100644
--- a/src/components/App.tsx
+++ b/src/components/App.tsx
@@ -2012,7 +2012,6 @@ class App extends React.Component<AppProps, AppState> {
         cursorButton,
       } = this.state;
 
-      // TODO: this could be replaced with memoization function like _.memoize()
       const canUseMemoizedConstraints =
         isShallowEqual(scrollConstraints, prevState.scrollConstraints ?? {}) &&
         isShallowEqual(
@@ -2058,7 +2057,8 @@ class App extends React.Component<AppProps, AppState> {
         shouldAnimate:
           isViewportOutsideOfConstrainedArea &&
           this.state.cursorButton !== "down" &&
-          prevState.zoom.value === this.state.zoom.value,
+          prevState.zoom.value === this.state.zoom.value &&
+          this.scene.getElementsIncludingDeleted().length > 0, // Do not animate when app is initialized but scene is empty - this would cause flickering
       });
     }