Function readMarketplaceJsonContent

src/utils/plugins/zipCacheAdapters.ts:120–134

* Read marketplace.json content from a cloned marketplace directory or file. * For directory sources: checks .claude-plugin/marketplace.json, marketplace.json * For URL sources: the installLocation IS the marketplace JSON file itself.

(dir: string)

 * For URL sources: the installLocation IS the marketplace JSON file itself.
 */
async function readMarketplaceJsonContent(dir: string): Promise<string | null> {
  const candidates = [
    join(dir, '.claude-plugin', 'marketplace.json'),
    join(dir, 'marketplace.json'),
    dir, // For URL sources, installLocation IS the marketplace JSON file
  ]
  for (const candidate of candidates) {
    try {
      return await readFile(candidate, 'utf-8')
    } catch {
      // ENOENT (doesn't exist) or EISDIR (directory) — try next
    }
  }
  return null
}

/**
 * Sync marketplace data to zip cache for offline access.