nostr-hooks/dist/hooks/use-follows/index.js

React hooks for developing Nostr clients

import { useEffect, useState } from 'react';
import { useNdk } from '../use-ndk';
export const useFollows = (profileParams) => {
    const [follows, setFollows] = useState();
    const [status, setStatus] = useState('idle');
    const { ndk } = useNdk();
    useEffect(() => {
        setStatus('idle');
        if (!profileParams)
            return;
        if (profileParams.constructor === Object && Object.keys(profileParams).length === 0)
            return;
        if (!profileParams.nip05 && !profileParams.pubkey && !profileParams.npub)
            return;
        if (!ndk)
            return;
        setStatus('loading');
        ndk
            .getUser(profileParams)
            .follows()
            .then((ndkUserSet) => {
            if (ndkUserSet.size > 0) {
                setFollows([...ndkUserSet]);
                setStatus('success');
            }
            else {
                setFollows(null);
                setStatus('not-found');
            }
        })
            .catch(() => {
            setFollows(undefined);
            setStatus('error');
        });
    }, [
        setFollows,
        setStatus,
        profileParams?.nip05,
        profileParams?.pubkey,
        profileParams?.npub,
        profileParams?.nip46Urls,
        profileParams?.relayUrls,
        ndk,
    ]);
    return { follows, status };
};
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