const activeUploads = new Set<string>()

function buildKey(folderName: string) {
  return folderName.toLowerCase()
}

export function acquireUploadLock(folderName: string): boolean {
  const key = buildKey(folderName)
  if (activeUploads.has(key)) return false
  activeUploads.add(key)
  return true
}

export function releaseUploadLock(folderName: string) {
  activeUploads.delete(buildKey(folderName))
}