Bug: --ignore-pattern doesn't work well with --flag unstable_config_lookup_from_file #18948
Description
Environment
Node version: v20.12.0
npm version: 10.5.0
Local ESLint version: main branch
Global ESLint version:
Operating System: windows
What parser are you using?
Default (Espree)
What did you do?
There's an eslint.config.js file in tests/lib/eslint, so when the files in this directory are linted with --flag unstable_config_lookup_from_file, that config file is used.
Command (from the project root):
$ node bin/eslint tests/lib/eslint --ignore-pattern tests/lib/eslint/legacy-eslint.js --flag unstable_config_lookup_from_fileWhat did you expect to happen?
tests/lib/eslint/legacy-eslint.js to be ignored.
What actually happened?
It isn't ignored. The output is:
C:\projects\eslint\tests\lib\eslint\eslint.js
7:1 error 'use strict' is unnecessary inside of modules strict
131:34 warning Unused eslint-disable directive (no problems were reported from 'no-invalid-this')
202:70 warning Unused eslint-disable directive (no problems were reported from 'no-new')
324:17 warning Unused eslint-disable directive (no problems were reported from 'no-new')
993:55 error Strings must use doublequote quotes
5787:17 error Definition for rule 'n/no-unsupported-features/node-builtins' was not found n/no-unsupported-features/node-builtins
C:\projects\eslint\tests\lib\eslint\legacy-eslint.js
7:1 error 'use strict' is unnecessary inside of modules strict
103:34 warning Unused eslint-disable directive (no problems were reported from 'no-invalid-this')
158:17 warning Unused eslint-disable directive (no problems were reported from 'no-new')
167:65 warning Unused eslint-disable directive (no problems were reported from 'no-new')
938:18 error Strings must use doublequote quotes
942:13 warning Unused eslint-disable directive (no problems were reported from 'no-underscore-dangle')
5149:25 warning Unused eslint-disable directive (no problems were reported from 'no-new')
5175:21 warning Unused eslint-disable directive (no problems were reported from 'no-new')
5304:21 warning Unused eslint-disable directive (no problems were reported from 'no-new')
✖ 15 problems (5 errors, 10 warnings)
4 errors and 10 warnings potentially fixable with the `--fix` option.
Link to Minimal Reproducible Example
https://github.com/eslint/eslint
Participation
- I am willing to submit a pull request for this issue.
Additional comments
Related: #18742 (comment)
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