Function fetchFileTree

server/utils/file-tree.ts:9–25

(
  packageName: string,
  version: string,
  signal?: AbortSignal,
)

 * Returns a nested tree structure of all files in the package.
 */
export async function fetchFileTree(
  packageName: string,
  version: string,
  signal?: AbortSignal,
): Promise<JsDelivrPackageResponse> {
  const url = `https://data.jsdelivr.com/v1/packages/npm/${packageName}@${version}`
  const response = await fetch(url, { signal })

  if (!response.ok) {
    if (response.status === 404) {
      throw createError({ statusCode: 404, message: 'Package or version not found' })
    }
    throw createError({ statusCode: 502, message: 'Failed to fetch file list from jsDelivr' })
  }

  return response.json()
}

/**
 * Convert jsDelivr nested structure to our PackageFileTree format