25 lines
863 B
TypeScript
25 lines
863 B
TypeScript
import { useMemo } from "react";
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import { HexKey } from "Nostr";
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import EventKind from "Nostr/EventKind";
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import { Subscriptions} from "Nostr/Subscriptions";
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import useSubscription, { NoteStore } from "Feed/Subscription";
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export default function useFollowsFeed(pubkey: HexKey) {
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const sub = useMemo(() => {
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let x = new Subscriptions();
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x.Id = `follows:${pubkey.slice(0, 12)}`;
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x.Kinds = new Set([EventKind.ContactList]);
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x.Authors = new Set([pubkey]);
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return x;
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}, [pubkey]);
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return useSubscription(sub);
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}
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export function getFollowers(feed: NoteStore, pubkey: HexKey) {
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let contactLists = feed?.notes.filter(a => a.kind === EventKind.ContactList && a.pubkey === pubkey);
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let pTags = contactLists?.map(a => a.tags.filter(b => b[0] === "p").map(c => c[1]));
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return [...new Set(pTags?.flat())];
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}
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