From 3825046a2320b721b7458dcc5441807bf57ea091 Mon Sep 17 00:00:00 2001
From: Satyajit Sahoo <satyajit.happy@gmail.com>
Date: Fri, 22 Mar 2024 22:11:21 +0100
Subject: [PATCH] fix: accept partial linking.config for static navigation

---
 packages/core/src/StaticNavigation.tsx        | 11 +++------
 .../native/src/createStaticNavigation.tsx     | 24 ++++++++++++++++---
 2 files changed, 24 insertions(+), 11 deletions(-)

diff --git a/packages/core/src/StaticNavigation.tsx b/packages/core/src/StaticNavigation.tsx
index 079f7f5f8c..ba4bbbc820 100644
--- a/packages/core/src/StaticNavigation.tsx
+++ b/packages/core/src/StaticNavigation.tsx
@@ -444,6 +444,7 @@ export function createComponentForStaticNavigation(
 
 type TreeForPathConfig = {
   config: {
+    initialRouteName?: string;
     screens?: StaticConfigScreens<
       ParamListBase,
       NavigationState,
@@ -588,21 +589,15 @@ export function createPathConfigForStaticNavigation(
       );
     };
 
-    const initialRouteName =
-      'initialRouteName' in t.config &&
-      typeof t.config.initialRouteName === 'string'
-        ? t.config.initialRouteName
-        : undefined;
-
     const screens = t.config.screens
-      ? createPathConfigForScreens(t.config.screens, initialRouteName)
+      ? createPathConfigForScreens(t.config.screens, t.config.initialRouteName)
       : {};
 
     if (t.config.groups) {
       Object.entries(t.config.groups).forEach(([, group]) => {
         Object.assign(
           screens,
-          createPathConfigForScreens(group.screens, initialRouteName)
+          createPathConfigForScreens(group.screens, t.config.initialRouteName)
         );
       });
     }
diff --git a/packages/native/src/createStaticNavigation.tsx b/packages/native/src/createStaticNavigation.tsx
index 9e7aa690c0..bc97b87e0b 100644
--- a/packages/native/src/createStaticNavigation.tsx
+++ b/packages/native/src/createStaticNavigation.tsx
@@ -27,6 +27,13 @@ type Props = Omit<
      * This can be overridden for specific screens by specifying `linking` for the screen.
      */
     enabled?: 'auto' | true | false;
+    /**
+     * Additional configuration
+     */
+    config?: Omit<
+      NonNullable<LinkingOptions<ParamListBase>['config']>,
+      'screens'
+    >;
   };
 };
 
@@ -47,14 +54,25 @@ export function createStaticNavigation(tree: StaticNavigation<any, any, any>) {
     const screens = React.useMemo(() => {
       if (tree.config.screens) {
         return createPathConfigForStaticNavigation(
-          tree,
+          {
+            ...tree,
+            ...{
+              config: {
+                ...tree.config,
+                initialRouteName:
+                  linking?.config?.initialRouteName ??
+                  typeof tree.config.initialRouteName,
+                screens: tree.config.screens,
+              },
+            },
+          },
           linking?.enabled === 'auto',
           true
         );
       }
 
       return undefined;
-    }, [linking?.enabled]);
+    }, [linking?.config?.initialRouteName, linking?.enabled]);
 
     if (linking?.enabled === true && screens == null) {
       throw new Error(
@@ -78,7 +96,7 @@ export function createStaticNavigation(tree: StaticNavigation<any, any, any>) {
                   typeof linking.enabled === 'boolean'
                     ? linking.enabled
                     : screens != null,
-                config: screens ? { screens } : undefined,
+                config: screens ? { ...linking.config, screens } : undefined,
               }
             : undefined
         }