rm-files-bfs.js

const fs = require('fs')

function rmPath(path, cb) {
  fs.lstat(path, (err, stats) => {
    //console.log('retrieve:', path)
    if (stats.isDirectory()) {
      fs.readdir(path, (err, files) => {
        let len = files.length + 1
        let checkDir = () => {
          //console.log(path + ' left:', len-1)
          if (!--len) {
            //console.log('remove dir:', path)
            fs.rmdir(path, cb)
          }
        }
        checkDir()
        files.map(f => rmPath(path + '/' + f, checkDir))
      })
      return
    }
    //console.log('remove file:', path)
    fs.unlink(path, cb)
  })
}