feat: location selector in route UI

src/lib/saved.svelte.ts

@@ -1,3 +1,5 @@
+import { reverseGeocode } from "./services/Search";
+
 export const saved: Record<string, WorldLocation> = $state(
 	JSON.parse(localStorage.getItem("saved") ?? "{}"),
 );
@@ -5,3 +7,14 @@ export const saved: Record<string, WorldLocation> = $state(
 export function saveLocations() {
 	localStorage.setItem("saved", JSON.stringify(saved));
 }
+
+export async function geocode(name: string) {
+	const loc = saved[name];
+	if(!loc) return;
+	const geocode = await reverseGeocode(loc);
+	if(geocode.length == 0) {
+		return;
+	}
+	const feature = geocode[0];
+	return `${feature.properties.street}${feature.properties.housenumber ? (" " + feature.properties.housenumber) : ""}, ${feature.properties.city}`;
+}