CLI

Output is from running:

$ npx eslint -h

Usage

eslint [options] file.js [file.js] [dir]

e.g.

$ eslint file.js
$ eslint .
$ eslint src
$ eslint src test
$ eslint . --ext .ts

Flags

Some flags to highlight.

Extensions

  --ext [String]                  Specify JavaScript file extensions

e.g.

$ eslint . --ext .ts

Fixing problems

  --fix                           Automatically fix problems
  --fix-dry-run                   Automatically fix problems without saving the changes to the file system
  --fix-type Array                Specify the types of fixes to apply (problem, suggestion, layout)

To avoid warnings from breaking your CI, you can switch to only use error status on errors, or set a limit to number of warnings and then use error status.

Handling warnings

  --quiet                         Report errors only - default: false
  --max-warnings Int              Number of warnings to trigger nonzero exit code - default: -1