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const withList = async ({ directory }) => await filesystem.list(directory)

const withFilter = async ({ directory, matching }) =>
  await filesystem.find(directory, { matching })

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const useChooseFile = finder => async ({ 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
}

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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

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const listDirectory = useChooseFile(withList)
const filterInDirectory = useChooseFile(withFilter)

//usage
listDirectory({ directory: './tests' })
filterInDirectory({ directory: 'server', matching '*.Dockerfile' })

//same as
useChooseFile(withList)({ directory: './tests' })
useChooseFile(withFilter)({ directory: 'server', matching '*.Dockerfile' })

MarcoNicolodi

const withList = async ({ directory }) => await filesystem.list(directory)

const withFilter = async ({ directory, matching }) =>
  await filesystem.find(directory, { matching })

const useChooseFile = finder => async ({ directory, message, matching }) => {
  const candidateFiles = await finder({ directory, matching })
  const promptConfig = {
    type: 'list',
    name: 'chosenFile',

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const numbers = [1,2,4,5,6,9]
const isEven = (number) => number % 2 === 0
const even = numbers.filter(isEven)

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const runCommand = (command, options) => new Promise((resolve, reject) => {
    const cmd = spawn(command, {
      shell: true,
      ...options
    });

    cmd.stdout.on('data', data => print.info(data.toString()));
    cmd.stdout.on('end', () => resolve(command));
    
    cmd.stderr.on('data', data => print.info(data.toString()));    

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const runCommand = (command, options) => new Promise((resolve, reject) => {
    const { shouldPrint, ...rest } = options;
    
    //prints
    if(shouldPrint) 
        print.info(command);
    
    //and runs
    const cmd = spawn(command, {
      shell: true,

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const runCommand = (command, options) => new Promise((resolve, reject) => {
    const { shouldPrint, shouldMemoize, ...rest } = options;
    
    //prints
    if(shouldPrint) 
        print.info(command);
        
    if(shouldMemoize)
        memoize(command);
    

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const withCommandLogger = func => (command, options) => {
    print.info(`Running command: ${command}`)
    return func(command, options)
}

export default withCommandLogger(runCommand);