Bugfix returned path sometimes empty

Author: luca-vogels

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lup-language",
-  "version": "2.2.4",
+  "version": "2.2.5",
   "description": "Node express middleware for detecting requested language",
   "files": [
     "lib/**/*"

src/index.ts

@@ -733,7 +733,11 @@ export const LanguageRouter = (options?: LanguageRouterOptions): LanguageDetecti
           : uri;
     const queryIdx = uri.indexOf('?');
 
-    return { uriWithQuery: uri, lang, uriWithoutQuery: queryIdx >= 0 ? uri.substring(0, queryIdx) : uri };
+    return {
+      uriWithQuery: uri || '/',
+      lang,
+      uriWithoutQuery: (queryIdx >= 0 ? uri.substring(0, queryIdx) : uri) || '/',
+    };
   }
 
   /**