54 lines
1.5 KiB
TypeScript
54 lines
1.5 KiB
TypeScript
import { EventKind, NostrLink, RequestBuilder } from "@snort/system";
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import { useEventsFeed, useRequestBuilder } from "@snort/system-react";
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import { useMemo } from "react";
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/**
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* Use a link event containing e/a/p/t tags
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*/
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export function useLinkList(id: string, fn: (rb: RequestBuilder) => void) {
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const sub = useMemo(() => {
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const rb = new RequestBuilder(id);
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fn(rb);
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if (rb.numFilters > 0) {
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return rb;
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}
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}, [id, fn]);
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const listStore = useRequestBuilder(sub);
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return useMemo(() => {
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if (listStore && listStore.length > 0) {
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return listStore.map(e => NostrLink.fromTags(e.tags)).flat();
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}
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return [];
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}, [listStore]);
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}
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export function useLinkListEvents(id: string, fn: (rb: RequestBuilder) => void) {
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const links = useLinkList(id, fn);
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return useEventsFeed(`${id}:events`, links);
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}
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export function usePinList(pubkey: string | undefined) {
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return useLinkListEvents(`list:pins:${pubkey?.slice(0, 12)}`, rb => {
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if (pubkey) {
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rb.withFilter().kinds([EventKind.PinList]).authors([pubkey]);
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}
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});
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}
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export function useBookmarkList(pubkey: string | undefined) {
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return useLinkListEvents(`list:bookmark:${pubkey?.slice(0, 12)}`, rb => {
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if (pubkey) {
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rb.withFilter().kinds([EventKind.BookmarksList]).authors([pubkey]);
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}
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});
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}
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export function useInterestsList(pubkey: string | undefined) {
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return useLinkList(`list:interest:${pubkey?.slice(0, 12)}`, rb => {
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if (pubkey) {
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rb.withFilter().kinds([EventKind.InterestsList]).authors([pubkey]);
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}
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});
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}
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