43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
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import { dedupe } from "@snort/shared";
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import { useMemo } from "react";
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import useEventPublisher from "./useEventPublisher";
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import useLogin from "./useLogin";
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/**
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* Simple hook for adding / removing follows
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*/
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export default function useFollowsControls() {
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const { publisher, system } = useEventPublisher();
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const { follows, relays } = useLogin(s => ({ follows: s.follows.item, readonly: s.readonly, relays: s.relays.item }));
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return useMemo(() => {
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const publishList = async (newList: Array<string>) => {
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if (publisher) {
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const ev = await publisher.contactList(
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newList.map(a => ["p", a]),
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relays,
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);
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system.BroadcastEvent(ev);
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}
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};
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return {
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isFollowing: (pk: string) => {
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return follows.includes(pk);
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},
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addFollow: async (pk: Array<string>) => {
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const newList = dedupe([...follows, ...pk]);
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await publishList(newList);
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},
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removeFollow: async (pk: Array<string>) => {
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const newList = follows.filter(a => !pk.includes(a));
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await publishList(newList);
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},
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setFollows: async (pk: Array<string>) => {
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await publishList(dedupe(pk));
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},
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};
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}, [follows, relays, publisher, system]);
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}
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