Spaces within --rulesdir are stripped

Tell us about your environment

• ESLint Version: v7.18.0
• Node Version: v12.18.1
• npm Version: 6.14.5

~What parser are you using?~ (unrelated - this is a cli argument parsing error)

~Please show your full configuration:~ (unrelated - this is a cli argument parsing error)

What did you do?

Run one of these commands:

eslint --rulesdir "/Volumes/Macintosh HD/Users/test/foo/bar"
eslint --rulesdir /Volumes/Macintosh\ HD/Users/test/foo/bar

What did you expect to happen?

Oops! Something went wrong! :(

ESLint: 7.18.0

Error: ENOENT: no such file or directory, scandir '/Volumes/Macintosh HD/Users/test/foo/bar'
    at Object.readdirSync (fs.js:948:3)
...

What actually happened? Please include the actual, raw output from ESLint.

Note the missing space in “Macintosh HD”

Oops! Something went wrong! :(

ESLint: 7.18.0

Error: ENOENT: no such file or directory, scandir '/Volumes/MacintoshHD/Users/test/foo/bar'
    at Object.readdirSync (fs.js:948:3)
...

Are you willing to submit a pull request to fix this bug?

Yes

---

The core issue here is https://github.com/gkz/optionator/issues/34, which I’m currently investigating.

[mdjermanovic]

I’ll mark this as ‘blocked’ for now. Not sure if there’s anything we could do in ESLint aside from upgrading optionator to a new version once the problem gets fixed.

[mdjermanovic]

This is still blocked on optionator/levn.