bugfixes and improvements

lib/provider/wgGesucht.js

@@ -44,6 +44,7 @@ function normalize(o) {
   const link = `https://www.wg-gesucht.de${o.link}`;
   const image = o.image != null ? o.image.replace('small', 'large') : null;
   const [rooms, city, road] = o.details?.split(' | ') || [];
+  const address = [city, road].filter(Boolean).join(', ') || null;
   return {
     id,
     link,
@@ -51,7 +52,7 @@ function normalize(o) {
     price: extractNumber(o.price),
     size: extractNumber(o.size),
     rooms: extractNumber(rooms),
-    address: `${city}, ${road}`,
+    address,
     image,
     description: o.description,
   };