fix(mod queue): dedupe board filters

src/hooks/use-moderated-community-addresses.ts

@@ -0,0 +1,47 @@
+import { useMemo } from 'react';
+import { useAccount, useCommunities } from '@bitsocial/bitsocial-react-hooks';
+import { useDirectories } from './use-directories';
+import { useCommunityIdentifiers } from './use-community-identifiers';
+import { useAccountCommunityAddresses } from './use-account-community-addresses';
+import { getModeratedCommunityAddresses } from '../lib/utils/mod-queue-utils';
+
+const addUniqueAddress = (addresses: string[], address: string | undefined) => {
+  if (address && !addresses.includes(address)) {
+    addresses.push(address);
+  }
+};
+
+export const useModeratedCommunityAddresses = (): string[] => {
+  const account = useAccount();
+  const accountAddress = account?.author?.address;
+  const accountCommunityAddresses = useAccountCommunityAddresses();
+  const directories = useDirectories();
+
+  const candidateCommunityAddresses = useMemo(() => {
+    const addresses: string[] = [];
+    for (const address of accountCommunityAddresses) {
+      addUniqueAddress(addresses, address);
+    }
+    for (const directory of directories) {
+      addUniqueAddress(addresses, directory.address);
+    }
+    for (const address of account?.subscriptions ?? []) {
+      addUniqueAddress(addresses, address);
+    }
+    return addresses;
+  }, [account?.subscriptions, accountCommunityAddresses, directories]);
+
+  const candidateCommunities = useCommunityIdentifiers(candidateCommunityAddresses);
+  const { communities } = useCommunities(candidateCommunities.length > 0 ? { communities: candidateCommunities } : undefined);
+
+  return useMemo(
+    () =>
+      getModeratedCommunityAddresses({
+        accountAddress,
+        accountCommunityAddresses,
+        candidateCommunityAddresses,
+        communities,
+      }),
+    [accountAddress, accountCommunityAddresses, candidateCommunityAddresses, communities],
+  );
+};