add tauri stronghold

src/libs/ndk/utils.tsx

@@ -0,0 +1,23 @@
+import NDK, { NDKEvent, NDKFilter } from '@nostr-dev-kit/ndk';
+
+export async function prefetchEvents(
+  ndk: NDK,
+  filter: NDKFilter
+): Promise<Set<NDKEvent>> {
+  return new Promise((resolve) => {
+    const events: Map<string, NDKEvent> = new Map();
+
+    const relaySetSubscription = ndk.subscribe(filter, {
+      closeOnEose: true,
+    });
+
+    relaySetSubscription.on('event', (event: NDKEvent) => {
+      event.ndk = ndk;
+      events.set(event.tagId(), event);
+    });
+
+    relaySetSubscription.on('eose', () => {
+      setTimeout(() => resolve(new Set(events.values())), 3000);
+    });
+  });
+}