Function getItem

packages/cli/src/registry/resolver.ts:139–156

(itemName: string)

  // the `Promise<RegistryItem>` return type. The body has no `await`, so the
  // cache is still populated synchronously on first request (dedup intact).
  const getItem = async (itemName: string): Promise<RegistryItem> => {
    const existing = itemCache.get(itemName);
    if (existing) return existing;

    const registryEntry = entryByName.get(itemName);
    if (!registryEntry) {
      const available = entries.map((e) => e.name).join(", ");
      throw new Error(
        available.length > 0
          ? `Dependency "${itemName}" not found in registry. Available: ${available}`
          : `Dependency "${itemName}" not found — registry unreachable or empty.`,
      );
    }

    const pending = fetchItemManifest(registryEntry.name, registryEntry.type, options.baseUrl);
    itemCache.set(itemName, pending);
    return pending;
  };

  const visit = async (itemName: string, path: string[]): Promise<void> => {
    if (visited.has(itemName)) return;