fix ndk

src/libs/ndk.tsx

@@ -1,4 +1,10 @@
-import NDK, { NDKConstructorParams } from "@nostr-dev-kit/ndk";
+import NDK, {
+	NDKConstructorParams,
+	NDKEvent,
+	NDKFilter,
+	NDKFilterOptions,
+	NDKRelaySet,
+} from "@nostr-dev-kit/ndk";
 import { FULL_RELAYS } from "@stores/constants";
 
 export async function initNDK(
@@ -13,3 +19,25 @@ export async function initNDK(
 
 	return 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())), 2000);
+		});
+	});
+}