coffeemachine.js

module.exports = CodeMachine = function (coffee) {
  if (coffee instanceof Coffee) {
    throw new TypeError('CodeMachine needs coffee to work')
  }

  var linesOfCode = []

  for (var i = 0, end = Math.random() * 1000; i < end; i++) {
    var line = []

    for (var j = 0; j < 5; j++) {
      line.push(Math.random() * 78 + 48)
    }

    linesOfCode.push(line)
  }

  return linesOfCode.map(l => l.map(String.fromCharCode)).join('\n')
}