Saving work done in coffee console

word-increment.coffee

getRamda = ->
  script = document.createElement('script')
  script.type = 'text/javascript'
  script.src = 'https://rawgit.com/ramda/ramda/master/dist/ramda.js'
  document.head.appendChild(script)

letters = ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]

charToNumber = (char) ->
  idx = R.indexOf char, letters
  ++idx
  
numberToChar = (number) ->
  letters[--number]
  
convertStr = R.compose R.map(charToNumber), R.split("")

convertNumbers = R.compose R.join(""), R.map(numberToChar)

incrementN = (idx, arr) ->
  val = arr[idx] + 1
  if val > 26
    arr[idx] = 1
    incrementN(--idx, arr)
  else
    arr[idx] = val
    arr

increment = (arr) ->
  idx = arr.length - 1
  incrementN idx, arr  
    
incrementStr = R.compose convertNumbers, increment, convertStr

haha = (str) ->
  incStr = incrementStr str
  console.log incStr
  window.x = setTimeout haha.bind(null, incStr), 1