Eslint falsely reports matching configured ignore pattern for implicit ignore pattern

[snhardin]

Tell us about your environment

• ESLint Version: 7.0.0-alpha.0
• Node Version: v12.14.1
• npm Version: v6.13.4

What parser (default, Babel-ESLint, etc.) are you using?

default

Please show your full configuration:

Configuration

{
    "extends": "airbnb-base"
}

What did you do? Please include the actual source code causing the issue, as well as the command that you used to run ESLint.

I was told that an additional issue needed to be opened for code changes. #12348 has been scoped to be documentation changes only. That issue has the original instructions to reproduce the issue, although I have been able to successfully reproduce the issue myself.

If I have a file located in a dot directory (for example, client/.storybook/config.js), I can lint it by telling eslint to analyze the directory it lives in (npx eslint client/.storybook). However, if I try to lint the file directory, I am incorrectly told that the file has been ignored because of a matching ignore pattern. I have no ignore patterns defined, so this is incorrect. The file was actually ignored due to an implicit ignore rule.

Source: N/A

npx eslint client/.storybook/config.js

What did you expect to happen?

Eslint should indicate that the file was ignored by default.

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

Eslint indicated that the file was ignored because of a configured ignore pattern. I have no ignore patterns configured.

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

Yes

[kaicataldo]

Thanks for reporting this. Given the fact that we show a more helpful error message for ignored dotfiles, I agree that this seems like a bug. It looks to me like we should update this logic to check if the file is located in a dotfolder and report an appropriate error message for that.

Maybe something like "File is in an ignored directory by default. Use a negated ignore pattern (like \"--ignore-pattern '!<relative/path/to/directory>'\") to override."?