Function validateManifest

src/utils/plugins/validatePlugin.ts:814–903

(
  filePath: string,
)

 * Validate a manifest file or directory (auto-detects type)
 */
export async function validateManifest(
  filePath: string,
): Promise<ValidationResult> {
  const absolutePath = path.resolve(filePath)

  // Stat path to check if it's a directory — handle ENOENT inline
  let stats: Stats | null = null
  try {
    stats = await stat(absolutePath)
  } catch (e: unknown) {
    if (!isENOENT(e)) {
      throw e
    }
  }

  if (stats?.isDirectory()) {
    // Look for manifest files in .claude-plugin directory
    // Prefer marketplace.json over plugin.json
    const marketplacePath = path.join(
      absolutePath,
      '.claude-plugin',
      'marketplace.json',
    )
    const marketplaceResult = await validateMarketplaceManifest(marketplacePath)
    // Only fall through if the marketplace file was not found (ENOENT)
    if (marketplaceResult.errors[0]?.code !== 'ENOENT') {
      return marketplaceResult
    }

    const pluginPath = path.join(absolutePath, '.claude-plugin', 'plugin.json')
    const pluginResult = await validatePluginManifest(pluginPath)
    if (pluginResult.errors[0]?.code !== 'ENOENT') {
      return pluginResult
    }

    return {
      success: false,
      errors: [
        {
          path: 'directory',
          message: `No manifest found in directory. Expected .claude-plugin/marketplace.json or .claude-plugin/plugin.json`,
        },
      ],
      warnings: [],
      filePath: absolutePath,
      fileType: 'plugin',
    }
  }

  const manifestType = detectManifestType(filePath)

  switch (manifestType) {
    case 'plugin':
      return validatePluginManifest(filePath)
    case 'marketplace':
      return validateMarketplaceManifest(filePath)
    case 'unknown': {
      // Try to parse and guess based on content