fix(directory): load direct board routes

src/lib/utils/directory-list-lookup-utils.ts

@@ -0,0 +1,55 @@
+import directoryListsData from '../../data/5chan-directory-lists.json';
+import { normalizeDirectoryList, type DirectoryList, type DirectoryListBoard } from './directory-list-utils';
+
+const DIRECTORY_ALIAS_SUFFIXES = ['.bso', '.eth'] as const;
+
+let vendoredDirectoryListsCache: DirectoryList[] | null = null;
+
+export const normalizeBoardAddress = (address: string): string => {
+  for (const suffix of DIRECTORY_ALIAS_SUFFIXES) {
+    if (address.endsWith(suffix)) {
+      return address.slice(0, -suffix.length);
+    }
+  }
+
+  return address;
+};
+
+export const getVendoredDirectoryLists = (): DirectoryList[] => {
+  if (vendoredDirectoryListsCache) return vendoredDirectoryListsCache;
+
+  const directories = Array.isArray(directoryListsData.directories) ? directoryListsData.directories : [];
+  vendoredDirectoryListsCache = directories.flatMap((directory) => {
+    const directoryCode = typeof directory.directoryCode === 'string' ? directory.directoryCode : undefined;
+    if (!directoryCode) return [];
+    const normalized = normalizeDirectoryList(directory, directoryCode);
+    return normalized ? [normalized] : [];
+  });
+
+  return vendoredDirectoryListsCache;
+};
+
+export const getVendoredDirectoryList = (directoryCode: string): DirectoryList | null =>
+  getVendoredDirectoryLists().find((directory) => directory.directoryCode === directoryCode) ?? null;
+
+const findBoardInList = (list: DirectoryList, address: string): DirectoryListBoard | undefined => {
+  const normalizedAddress = normalizeBoardAddress(address);
+  return list.boards.find((board) => normalizeBoardAddress(board.address) === normalizedAddress || board.publicKey === address);
+};
+
+export const getDirectoryCandidateBoardByAddress = (address: string | undefined): DirectoryListBoard | undefined => {
+  if (!address) return undefined;
+
+  for (const directory of getVendoredDirectoryLists()) {
+    const board = findBoardInList(directory, address);
+    if (board) return board;
+  }
+
+  return undefined;
+};
+
+export const getDirectoryCodeForBoardAddress = (address: string | undefined): string | undefined => {
+  if (!address) return undefined;
+
+  return getVendoredDirectoryLists().find((directory) => findBoardInList(directory, address))?.directoryCode;
+};