feat(widget): add prefetch for apps and bookmarks (#2895)

packages/widgets/src/bookmarks/prefetch.ts

@@ -0,0 +1,30 @@
+import { trpc } from "@homarr/api/server";
+import { db, inArray } from "@homarr/db";
+import { apps } from "@homarr/db/schema";
+import { logger } from "@homarr/log";
+
+import type { Prefetch } from "../definition";
+
+const prefetchAllAsync: Prefetch<"bookmarks"> = async (queryClient, items) => {
+  const appIds = items.flatMap((item) => item.options.items);
+  const distinctAppIds = [...new Set(appIds)];
+
+  const dbApps = await db.query.apps.findMany({
+    where: inArray(apps.id, distinctAppIds),
+  });
+
+  for (const item of items) {
+    if (item.options.items.length === 0) {
+      continue;
+    }
+
+    queryClient.setQueryData(
+      trpc.app.byIds.queryKey(item.options.items),
+      dbApps.filter((app) => item.options.items.includes(app.id)),
+    );
+  }
+
+  logger.info(`Successfully prefetched ${dbApps.length} apps for bookmarks`);
+};
+
+export default prefetchAllAsync;