feat: community leaders

packages/app/src/Hooks/useCommunityLeaders.tsx

@@ -0,0 +1,41 @@
+import { ExternalStore, unwrap } from "@snort/shared";
+import { EventKind, parseNostrLink } from "@snort/system";
+import { useLinkList } from "./useLists";
+import { useEffect, useSyncExternalStore } from "react";
+
+class CommunityLeadersStore extends ExternalStore<Array<string>> {
+  #leaders: Array<string> = [];
+
+  setLeaders(arr: Array<string>) {
+    this.#leaders = arr;
+    this.notifyChange();
+  }
+
+  takeSnapshot(): string[] {
+    return [...this.#leaders];
+  }
+}
+
+const LeadersStore = new CommunityLeadersStore();
+
+export function useCommunityLeaders() {
+  const link = parseNostrLink(unwrap(CONFIG.communityLeaders).list);
+
+  const list = useLinkList("leaders", rb => {
+    rb.withFilter().kinds([EventKind.FollowSet]).link(link);
+  });
+
+  useEffect(() => {
+    console.debug("CommunityLeaders", list);
+    LeadersStore.setLeaders(list.map(a => a.id));
+  }, [list]);
+}
+
+export function useCommunityLeader(pubkey?: string) {
+  const store = useSyncExternalStore(
+    c => LeadersStore.hook(c),
+    () => LeadersStore.snapshot(),
+  );
+
+  return pubkey && store.includes(pubkey);
+}