import * as path from 'path'
import { isFileContainExport } from './isFileContainExport'

export const isFolderContainExport = async ({
  folderName,
  currentWorkingDirectory,
  indexstring,
}: {
  folderName: string
  currentWorkingDirectory: string
  indexstring: string
  babelConfigPath?: string
}): Promise<string | null> => {
  try {
    // check if file is parsable
    if (
      await isFileContainExport({
        currentWorkingDirectory: path.join(currentWorkingDirectory, folderName),
        fileName: `index.${indexstring}`,
      })
    ) {
      return folderName
    }

    return null
  } catch (err) {
    return null
  }
}