Files
snort/packages/app/src/Hooks/useLists.tsx

65 lines
1.9 KiB
TypeScript

import { removeUndefined } from "@snort/shared";
import { EventKind, NostrLink, NoteCollection, RequestBuilder } from "@snort/system";
import { useEventsFeed, useRequestBuilder } from "@snort/system-react";
import { useMemo } from "react";
/**
* Use a link event containing e/a/p/t tags
*/
export function useLinkList(id: string, fn: (rb: RequestBuilder) => void) {
const sub = useMemo(() => {
const rb = new RequestBuilder(id);
fn(rb);
return rb;
}, [id, fn]);
const listStore = useRequestBuilder(NoteCollection, sub);
return useMemo(() => {
if (listStore.data && listStore.data.length > 0) {
return removeUndefined(
listStore.data
.map(e =>
e.tags.map(a => {
try {
return NostrLink.fromTag(a);
} catch {
// ignored, skipped
}
}),
)
.flat(),
);
}
return [];
}, [listStore.data]);
}
export function useLinkListEvents(id: string, fn: (rb: RequestBuilder) => void) {
const links = useLinkList(id, fn);
return useEventsFeed(`${id}:events`, links).data ?? [];
}
export function usePinList(pubkey: string | undefined) {
return useLinkListEvents(`pins:${pubkey?.slice(0, 12)}`, rb => {
if (pubkey) {
rb.withFilter().kinds([EventKind.PinList]).authors([pubkey]);
}
});
}
export function useMuteList(pubkey: string | undefined) {
return useLinkList(`pins:${pubkey?.slice(0, 12)}`, rb => {
if (pubkey) {
rb.withFilter().kinds([EventKind.MuteList]).authors([pubkey]);
}
});
}
export default function useCategorizedBookmarks(pubkey: string | undefined, list: string) {
return useLinkListEvents(`categorized-bookmarks:${list}:${pubkey?.slice(0, 12)}`, rb => {
if (pubkey) {
rb.withFilter().kinds([EventKind.CategorizedBookmarks]).authors([pubkey]).tag("d", [list]);
}
});
}