chooseFIle.js

function useChooseFile(finder) {
  return function({ directory, message, matching }) {
    const candidateFiles = await finder({ directory, matching })
    const promptOptions = {
      name: 'chosenFile',
      message,
      choices: ['all', prompt.separator(), ...candidateFiles]
    }
    const { chosenFile } = await prompt.ask(promptOptions)
    return chosenFile
  }
}