[ES6] recursive mkdir-sync in node.js

mkdirp.js

#!/usr/bin/env node

const {mkdirSync:mkdir} = require('fs')
const {dirname} = require('path')

function mkdirp(path, mode = 0777){
  try {
    mkdir(path, mode)
  } catch({errno}) {
    if (-2 !== errno) return // enoent
    mkdirp(dirname(path), mode)
    mkdirp(path, mode)
  }
}