{
  "pathToCheck": "The folder path to check",
  "maximumSize": "The maximum size in either amount in MB or percent in the form of 34%",
  "retryTime": "Time to wait before retring in case the disk is currently busy"
}

function(err, result) {
  if (err) throw err
  console.log(result.pathSize)
  // Will print the size of the folder given to check

  console.log(result.maximumSize)
  // Will print the maximum size in MB this folder is allowed to be

  console.log(result.amountToClear)
  // Can be 1. negative, 2. zero or 3. positive:
  // 1. Negative - The folder is smaller then the maximum allowed.
  // The abosulote value of result.amountToClear is the free size in MB.
  // 2. Zero - The folder is completly has reached the maximum allowed.
  // 3. Positive - The folder has passed the maximum size allowed
  // and result.amountToClear is the amount in MB needed to be cleared
  // from the folder to meet the maximum size limit provided.
}

var checkFreeSpace = require('checkFreeSize')

var options = {
  "pathToCheck": ".", // Will check the current folder
  "maximumSize": 50,
  "retryTime": 10000
}

checkFreeSpace(options, function (err, result) {
  if (err) throw err
  console.log('Room taken by path: ' + result.pathSize + ' MB')
  console.log('Maximum allowed size: ' + result.maximumSize + ' MB')
  if (result.amountToClear < 0) {
    console.log('Room Left: ' + (result.amountToClear * -1) + ' MB')
  } else {
    console.log('Space that needs to be clear: ' + result.amountToClear + ' MB')
  }
})