import { isFolderContainExport } from './isFolderContainExport'

export const getFolderNamesInDestinationContainExport = async ({
  folderNames,
  currentWorkingDirectory,
  indexstring,
}: {
  folderNames: string[]
  currentWorkingDirectory: string
  indexstring: string
}): Promise<string[]> => {
  const folderNamePromiseObjects = folderNames.map(folderName => ({
    folderName,
    promiseCheckIfFileContainExport: isFolderContainExport({
      folderName,
      currentWorkingDirectory,
      indexstring,
    }).then(value => {
      return value
    }),
  }))

  // wait until all file in destination has been checked
  const promises = folderNamePromiseObjects.map(
    ({ promiseCheckIfFileContainExport }) => promiseCheckIfFileContainExport,
  )
  const folderNamesReturnedByPromise = await Promise.all(promises)

  // folderNamesOfFileContainExport
  const folderNamesOfFileConrainExport = folderNamesReturnedByPromise.filter(x => typeof x == 'string')

  return folderNamesOfFileConrainExport
}