'use strict'
 
const path = require('path')
 
// get drive on windows
function getRootPath (p) {
  p = path.normalize(path.resolve(p)).split(path.sep)
  if (p.length > 0) return p[0]
  return null
}
 
// http://stackoverflow.com/a/62888/10333 contains more accurate
// TODO: expand to include the rest
const INVALID_PATH_CHARS = /[<>:"|?*]/
 
function invalidWin32Path (p) {
  const rp = getRootPath(p)
  p = p.replace(rp, '')
  return INVALID_PATH_CHARS.test(p)
}
 
module.exports = {
  getRootPath,
  invalidWin32Path
}