Add transition on layout instead of on each single page

frontend/src/routes/+layout.svelte

@@ -29,6 +29,17 @@
 			});
 		}
 	});
+
+	onNavigate((navigation: { complete: any; }) => {
+		if (!(document.startViewTransition)) return;
+
+		return new Promise<void>((resolve) => {
+			document?.startViewTransition(async () => {
+				resolve();
+				await navigation.complete;
+			});
+		});
+	});
 </script>
 
 <div bind:this={node}></div>

frontend/src/routes/+page.svelte

@@ -1,22 +1,9 @@
 <script lang="ts">
 	import Path from '$lib/components/Path.svelte';
 	import Splash from '$lib/components/Splash.svelte';
-	import { onNavigate } from '$app/navigation';
 
 	export let data;
 	let categories = data.categories;
-
-	onNavigate((navigation) => {
-		if (!document.startViewTransition) return;
-
-		return new Promise((resolve) => {
-			document.startViewTransition(async () => {
-				resolve();
-				await navigation.complete;
-			});
-		});
-	});
-
 </script>
 
 <Splash />

frontend/src/routes/paths/[slug]/+page.svelte

@@ -1,18 +1,6 @@
 <script lang="ts">
 	import Route from '$lib/components/Route.svelte';
 	import HomeHeader from '$lib/components/HomeHeader.svelte';
-	import { onNavigate } from '$app/navigation';
-
-	onNavigate((navigation) => {
-		if (!document.startViewTransition) return;
-
-		return new Promise((resolve) => {
-			document.startViewTransition(async () => {
-				resolve();
-				await navigation.complete;
-			});
-		});
-	});
 	
 	export let data;
 </script>

frontend/src/routes/routes/[slug]/+page.svelte

@@ -1,22 +1,9 @@
 <script lang="ts">
 	import Header from '$lib/components/Header.svelte';
 	import Tabs from '$lib/components/Tabs.svelte';
-	import { onNavigate } from '$app/navigation';
 
 	export let data: App.Route;
 
-	onNavigate((navigation) => {
-		if (!document.startViewTransition) return;
-
-		return new Promise((resolve) => {
-			document.startViewTransition(async () => {
-				resolve();
-				await navigation.complete;
-			});
-		});
-	});
-
-
 	let divider;
 
     const mapClick = () => {};