From 14b1e44f045ed2424874dbf06187bc998a792972 Mon Sep 17 00:00:00 2001
From: Gildas Garcia <1122076+djhi@users.noreply.github.com>
Date: Mon, 18 Jan 2021 11:53:43 +0100
Subject: [PATCH] Ensure Redux Store Is Not Recreated when Admin Update

---
 .../ra-core/src/core/CoreAdminContext.tsx     | 30 +++++++++----------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/packages/ra-core/src/core/CoreAdminContext.tsx b/packages/ra-core/src/core/CoreAdminContext.tsx
index a8fe97479e4..ef52bbf4d5b 100644
--- a/packages/ra-core/src/core/CoreAdminContext.tsx
+++ b/packages/ra-core/src/core/CoreAdminContext.tsx
@@ -1,5 +1,5 @@
 import * as React from 'react';
-import { FunctionComponent, ComponentType, useContext } from 'react';
+import { FunctionComponent, ComponentType, useContext, useState } from 'react';
 import { Provider, ReactReduxContext } from 'react-redux';
 import { History } from 'history';
 import { createHashHistory } from 'history';
@@ -87,6 +87,19 @@ React-admin requires a valid dataProvider function to work.`);
         );
     };
 
+    const [store] = useState(() =>
+        !reduxIsAlreadyInitialized
+            ? createAdminStore({
+                  authProvider: finalAuthProvider,
+                  customReducers,
+                  customSagas,
+                  dataProvider: finalDataProvider,
+                  initialState,
+                  history: finalHistory,
+              })
+            : undefined
+    );
+
     if (reduxIsAlreadyInitialized) {
         if (!history) {
             throw new Error(`Missing history prop.
@@ -95,20 +108,7 @@ React-admin uses this history for its own ConnectedRouter.`);
         }
         return renderCore();
     } else {
-        return (
-            <Provider
-                store={createAdminStore({
-                    authProvider: finalAuthProvider,
-                    customReducers,
-                    customSagas,
-                    dataProvider: finalDataProvider,
-                    initialState,
-                    history: finalHistory,
-                })}
-            >
-                {renderCore()}
-            </Provider>
-        );
+        return <Provider store={store}>{renderCore()}</Provider>;
     }
 };