Files
zap.stream/src/hooks/event-feed.ts
2023-08-27 16:25:27 +01:00

33 lines
948 B
TypeScript

import { useMemo } from "react";
import { NostrPrefix, RequestBuilder, ReplaceableNoteStore, NostrLink } from "@snort/system";
import { useRequestBuilder } from "@snort/system-react";
export default function useEventFeed(link: NostrLink, leaveOpen = false) {
const sub = useMemo(() => {
const b = new RequestBuilder(`event:${link.id.slice(0, 12)}`);
b.withOptions({
leaveOpen,
});
if (link.type === NostrPrefix.Address) {
const f = b.withFilter().tag("d", [link.id]);
if (link.author) {
f.authors([link.author]);
}
if (link.kind) {
f.kinds([link.kind]);
}
} else {
const f = b.withFilter().ids([link.id]);
if (link.relays) {
link.relays.slice(0, 2).forEach(r => f.relay(r));
}
if (link.author) {
f.authors([link.author]);
}
}
return b;
}, [link, leaveOpen]);
return useRequestBuilder(ReplaceableNoteStore, sub);
}