large refactor

src/helpers/nostr/nip19.ts

@@ -0,0 +1,22 @@
+import { nip19, NostrEvent } from 'nostr-tools';
+import { isReplaceable } from './event.js';
+
+export function getSharableEventAddress(event: NostrEvent, relays?: Iterable<string>) {
+	if (isReplaceable(event.kind)) {
+		const d = event.tags.find((t) => t[0] === 'd' && t[1])?.[1];
+		if (!d) return null;
+		return nip19.naddrEncode({
+			kind: event.kind,
+			identifier: d,
+			pubkey: event.pubkey,
+			relays: relays && Array.from(relays),
+		});
+	} else {
+		return nip19.neventEncode({
+			id: event.id,
+			kind: event.kind,
+			relays: relays && Array.from(relays),
+			author: event.pubkey,
+		});
+	}
+}