From e7df03ea35903af9d1a3d6df3799875f358e19f3 Mon Sep 17 00:00:00 2001
From: Brent Vatne <brentvatne@gmail.com>
Date: Wed, 10 Apr 2019 16:51:21 +0200
Subject: [PATCH] Merge pull request #2 from itsjgf/master

Call animateNextTransition only when activeKey has changed
---
 packages/animated-switch/index.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/packages/animated-switch/index.js b/packages/animated-switch/index.js
index 41e67389..35cd8087 100644
--- a/packages/animated-switch/index.js
+++ b/packages/animated-switch/index.js
@@ -13,9 +13,13 @@ class SwitchView extends React.Component {
   containerRef = React.createRef();
 
   componentDidUpdate(prevProps) {
-    if (this.props.navigation.state.index !== prevProps.navigation.state.index) {
-      this.containerRef.current &&
-        this.containerRef.current.animateNextTransition();
+    const { state: prevState } = prevProps.navigation;
+    const prevActiveKey = prevState.routes[prevState.index].key;
+    const { state } = this.props.navigation;
+    const activeKey = state.routes[state.index].key;
+
+    if (activeKey !== prevActiveKey && this.containerRef.current) {
+      this.containerRef.current.animateNextTransition();
     }
   }