refactor: Make into own variable

Signed-off-by: Tim Hårek Andreassen <tim@harek.no>

lib/caching.ts

@@ -32,16 +32,18 @@ async function updateFetch(existingSeries: Series): Promise<UpdatedSeries | null
     return !existingSeries.episodes.find((serieEpisode) => serieEpisode.id === episode.id);
   });
 
-  const updated = {
-    ...existingSeries,
-    lastFetch: new Date(),
   /**
    * Since we don't control the API,
    * we should not make assumptions about the order,
    * but rather sort the episode to what we want.
    */
-    episodes: [...newEpisodes, ...existingSeries.episodes]
+  const episodesSorted = [...newEpisodes, ...existingSeries.episodes]
-      .sort((a, b) => a.date.getTime() > b.date.getTime() ? -1 : 1),
+    .sort((a, b) => a.date.getTime() > b.date.getTime() ? -1 : 1);
+
+  const updated = {
+    ...existingSeries,
+    lastFetch: new Date(),
+    episodes: episodesSorted,
   };
 
   const updateSuccessful = await storage.write(updated);