Uncaught TypeError: Path must be a string. Received undefined

[jm3]

steps to reproduce:

1. press ctrl-opt-l on an unsaved HTML file

Atom: 1.36.1 x64
Electron: 2.0.18
OS: Mac OS X 10.14.4
Thrown From: htmlhint package 1.1.4

Stack Trace

Uncaught TypeError: Path must be a string. Received undefined

At path.js:28

TypeError: Path must be a string. Received undefined
    at assertPath (path.js:28:11)
    at Object.join (path.js:1251:7)
    at module.exports (/packages/htmlhint/lib/config.coffee:6:43)
    at HTMLElement.module.exports (/packages/htmlhint/lib/linter.coffee:19:37)
    at CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:350065)
    at KeymapManager.t.exports.KeymapManager.dispatchCommandEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:1212791)
    at KeymapManager.t.exports.KeymapManager.handleKeyboardEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:1208925)
    at WindowEventHandler.handleDocumentKeyEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:285300)

Commands

     -2:03.5.0 command-palette:toggle (input.hidden-input)
  2x -1:58.6.0 core:move-down (input.hidden-input)
     -1:57.9.0 core:confirm (input.hidden-input)
     -1:57.9.0 settings-view:install-packages-and-themes (input.hidden-input)
     -1:55.4.0 command-palette:toggle (div.panels-item)
  4x -1:53.2.0 core:backspace (input.hidden-input)
     -1:48.6.0 editor:consolidate-selections (input.hidden-input)
  2x -1:48.6.0 core:cancel (input.hidden-input)
     -1:47.9.0 core:close (div.panels-item)
     -1:36 command-palette:toggle (input.hidden-input)
     -1:33.4.0 core:confirm (input.hidden-input)
     -1:33.4.0 settings-view:install-packages-and-themes (input.hidden-input)
     -1:29.5.0 core:confirm (input.hidden-input)
     -0:35.2.0 core:select-all (input.hidden-input)
     -0:33.6.0 core:confirm (input.hidden-input)
     -0:04.6.0 htmlhint:hint (input.hidden-input)