Not allowed to actually do it

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

@@ -0,0 +1,11 @@
+<script lang="ts">
+    import RouteRow from "$lib/components/RouteRow.svelte";
+
+    export let data;
+
+    let reversed = false;
+
+    $: proceccedFeatures = (() => {
+        const list = reversed ? [...data.route].reverse() : [...data.route];
+    })
+</script>

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

@@ -0,0 +1,29 @@
+import type { PageLoad } from '/$types';
+import { error } from '@sveltejs/kit';
+
+export const load: PageLoad = async ({ params, fetch }) => {
+    const { slug } = params;
+
+    try {
+        const res = await fetch(`/mapFiles/json/${slug}.json`);
+
+        if (!res.ok) {
+            throw error(404, {
+                message: `Route ${slug} not found`
+            });
+        }
+
+        const rawData = await res.json();
+
+        return {
+            route: rawData,
+            slug: slug,
+        };
+    } catch (err) {
+        console.error(`Error loading map ${slug}: `, err);
+
+        throw error(500, {
+            message: `Failed to parse map data for ${slug}`
+        });
+    }
+};