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1import {
2 CompositeDidDocumentResolver,
3 PlcDidDocumentResolver,
4 WebDidDocumentResolver,
5} from "@atcute/identity-resolver";
6import type { Did } from "@atcute/lexicons";
7
8const didResolver = new CompositeDidDocumentResolver({
9 methods: {
10 plc: new PlcDidDocumentResolver(),
11 web: new WebDidDocumentResolver(),
12 },
13});
14
15export const resolvePDS = async (did: Did): Promise<URL | null> => {
16 try {
17 const document = await didResolver.resolve(did as Did<"plc"> | Did<"web">);
18 if (Array.isArray(document.service) === false) {
19 return null;
20 }
21 for (const service of document.service) {
22 if (service.id === "#atproto_pds") {
23 return URL.parse(service.serviceEndpoint.toString());
24 }
25 }
26 } catch {}
27 return null;
28};