Simple IO module.

io.js

;(function () {
  'use strict'

  /*
   Simple IO module.
   */

  module.exports = IO

  const fs = require('fs')

  IO.prototype.create = path => {
    return new Promise((res, rej) => {
      fs.open(path, 'w', e => {
        if (e) rej(e)
        res()
      })
    })
  }

  IO.prototype.remove = path => {
    return new Promise((res, rej) => {
      fs.unlink(path, e => {
        if (e) rej(e)
        res()
      })
    })
  }

  IO.prototype.read = path => {
    return new Promise((res, rej) => {
      fs.readFile(path, 'utf8', (e, data) => {
        if (e) rej(e)
        res(data)
      })
    })
  }

  IO.prototype.write = (path, data) => {
    return new Promise((res, rej) => {
      fs.writeFile(path, data, e => {
        if (e) rej(e)
        res()
      })
    })
  }

  function IO () {}
}())

Basic usage:

const IO = require('./io')
const io = Object.create(IO.prototype)
const file = './path/to/file'

yield io.create(file)
yield io.write(file, 'some text')
const data = yield io.read(file)
console.log(data) // 'some text'
yield io.remove(path)