A React component library for rendering common AT Protocol records for applications such as Bluesky and Leaflet.
nekomimi.pet
1import { useEffect, useState } from 'react';
2import { useAtProto } from '../providers/AtProtoProvider';
3
4/**
5 * Resolves the PDS service endpoint for a given DID and tracks loading state.
6 *
7 * @param did - DID whose PDS endpoint should be discovered.
8 * @returns {{ endpoint: string | undefined; error: Error | undefined; loading: boolean }} Object containing the resolved endpoint, error (if any), and loading flag.
9 */
10export function usePdsEndpoint(did: string | undefined) {
11 const { resolver, didCache } = useAtProto();
12 const [endpoint, setEndpoint] = useState<string | undefined>();
13 const [error, setError] = useState<Error | undefined>();
14 const [loading, setLoading] = useState(false);
15
16 useEffect(() => {
17 let cancelled = false;
18 if (!did) {
19 setEndpoint(undefined);
20 setError(undefined);
21 setLoading(false);
22 return () => { cancelled = true; };
23 }
24
25 const cached = didCache.getByDid(did);
26 if (cached?.pdsEndpoint) {
27 setEndpoint(cached.pdsEndpoint);
28 setError(undefined);
29 setLoading(false);
30 return () => { cancelled = true; };
31 }
32
33 setLoading(true);
34 setError(undefined);
35 didCache.ensurePdsEndpoint(resolver, did)
36 .then(snapshot => {
37 if (cancelled) return;
38 setEndpoint(snapshot.pdsEndpoint);
39 })
40 .catch(e => {
41 if (cancelled) return;
42 setError(e as Error);
43 })
44 .finally(() => {
45 if (!cancelled) setLoading(false);
46 });
47 return () => { cancelled = true; };
48 }, [did, resolver, didCache]);
49
50 return { endpoint, error, loading };
51}