thunks for fs

thunks.js

// https://github.com/tj/co-fs/blob/master/index.js

const fs = require('fs');

function accessThunk(dir) {
  return (cb) => {
    fs.access(dir, (err) => cb(null, !err));
  };
}

function mkdirThunk(dir) {
  return (cb) => {
    fs.mkdir(dir, (err) => cb(null, !err));
  };
}