Use load fetch instead of window one

frontend/src/routes/+page.svelte

@@ -1,15 +1,10 @@
 <script lang="ts">
 	import Path from '$lib/components/Path.svelte';
-	// import Splash from '$lib/components/Splash.svelte';
 
 	export let data;
 	let categories: App.Category[] = data.categories;
 </script>
 
-
-<!--
-	<Splash />
--->
 <main>
 	<div id="welcome-message">Benvenuti a <span class="bold">Pianello Val Tidone</span></div>
 	<div id="route-cards">

frontend/src/routes/+page.ts

@@ -1,11 +1,14 @@
 
-import { getRouteCategories } from '$lib/repo.js';
 import { error } from '@sveltejs/kit';
+import {PUBLIC_BACKEND_URL} from '$env/static/public';
 
-export async function load() {
+const API_URL = `${PUBLIC_BACKEND_URL}/api`;
+
+export async function load({ fetch }) {
     let categories = [];
     try {
-        categories = await getRouteCategories();
+        const response = await fetch(`${API_URL}/route-categories`);
+        categories = await response.json();
     } catch (ex) {
         error(500);
     }

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

@@ -1,8 +1,12 @@
 import { getRouteByCategory, getRouteCategories } from '$lib/repo.js';
 import { error } from '@sveltejs/kit';
+import {PUBLIC_BACKEND_URL} from '$env/static/public';
 
-export async function load({ params }) {
+const API_URL = `${PUBLIC_BACKEND_URL}/api`;
-    const categories: App.Category[] = await getRouteCategories();
+
+export async function load({ params, fetch }) {
+    const response = await fetch(`${API_URL}/route-categories`);
+    const categories: App.Category[] = await response.json();
     const categoryId = Number(params.slug);
 
     const category: App.Category = categories.find(c => c.id === categoryId) as App.Category;
@@ -11,9 +15,12 @@ export async function load({ params }) {
         error(404);
     }
 
+    const response2 = await fetch(`${API_URL}/route-by-category/${categoryId}`);
+    const routes = await response2.json();
+
     const toReturn = {
         category: category.name_it,
-        routes: await getRouteByCategory(categoryId),
+        routes,
     }
     
     return toReturn;

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

@@ -1,9 +1,12 @@
-import { getRoute } from '$lib/repo.js';
 import { error } from '@sveltejs/kit';
+import {PUBLIC_BACKEND_URL} from '$env/static/public'
 
-export async function load({ params }) {
+const API_URL = `${PUBLIC_BACKEND_URL}/api`
+
+export async function load({ params, fetch }) {
     const routeId = Number(params.slug);
-    const route = await getRoute(routeId);
+    const response = await fetch(`${API_URL}/route/${routeId}`);
+    const route = await response.json();
 
     if (!route) {
         error(404);