code: function _getPath () {
    return Promise.all([_getPathFromPowerShell(), _getPathFromNpm()])
      .then((results) => {
        const fromNpm = results[1] || ''
        const fromPowershell = results[0] || ''
  
        // Quickly check if there's an npm folder in there
        const fromPowershellPath = path.join(fromPowershell, 'node_modules', 'npm')
        const fromNpmPath = path.join(fromNpm, 'node_modules', 'npm')
        const isFromPowershell = utils.isPathAccessible(fromPowershellPath)
        const isFromNpm = utils.isPathAccessible(fromNpmPath)
  
        // Found in...
        // Powershell: -> return powershell path
        // npm:        -> return npm path
        // nowhere:    -> return powershell path
        if (isFromPowershell) {
          return {
            path: fromPowershell,
            message: strings.npmFoundIn(fromPowershell, fromNpm, fromPowershell)
          }
        } else if (isFromNpm) {
          return {
            path: fromNpm,
            message: strings.npmFoundIn(fromPowershell, fromNpm, fromNpm)
          }
        } else {
          return {
            path: fromPowershell,
            message: strings.npmNotFoundGuessing(fromPowershell, fromNpm, fromPowershell)
          }
        }
      })
  }
docs: Attempts to get the current installation location of npm by looking up the global prefix.
  Prefer PowerShell, be falls back to npm's opinion
  
  @return {Promise.<string>} - NodeJS installation path