Function ensureFolder

src/main/http/import/opencollection.ts:409–443

(
  collection: HttpImportCollection,
  folderIds: Map<string, string>,
  folderNames: Map<string, string>,
  path: string,
)

}

function ensureFolder(
  collection: HttpImportCollection,
  folderIds: Map<string, string>,
  folderNames: Map<string, string>,
  path: string,
): string | null {
  const normalized = normalizePath(path)
  if (!normalized)
    return null

  const segments = normalized.split('/').filter(Boolean)
  let currentPath = ''
  let parentId: string | null = null

  for (const segment of segments) {
    currentPath = currentPath ? `${currentPath}/${segment}` : segment
    const existing = folderIds.get(currentPath)
    if (existing) {
      parentId = existing
      continue
    }

    const id = currentPath
    const folder: HttpImportFolder = {
      id,
      name: normalizeImportName(folderNames.get(currentPath), segment),
      parentId,
    }
    folderIds.set(currentPath, id)
    collection.folders.push(folder)
    parentId = id
  }

  return parentId
}

function parseBundledItems(
  items: unknown[],