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

45 lines
1.2 KiB
TypeScript

import { useMemo } from "react";
import { NostrPrefix, ReplaceableNoteStore, RequestBuilder, type NostrLink } from "@snort/system";
import { useRequestBuilder } from "@snort/system-react";
export function useAddress(kind: number, pubkey: string, identifier: string) {
const sub = useMemo(() => {
const b = new RequestBuilder(`event:${kind}:${identifier}`);
b.withFilter().kinds([kind]).authors([pubkey]).tag("d", [identifier]);
return b;
}, [kind, pubkey, identifier]);
const { data } = useRequestBuilder(ReplaceableNoteStore, sub);
return data;
}
export function useEvent(link: NostrLink) {
const sub = useMemo(() => {
const b = new RequestBuilder(`event:${link.id.slice(0, 12)}`);
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]);
const { data } = useRequestBuilder(ReplaceableNoteStore, sub);
return data;
}