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eslint/no-unused-labels Correctness

This rule is turned on by default.
🛠️ An auto-fix is available for this rule.

What it does

Disallow unused labels

Why is this bad?

Labels that are declared and not used anywhere in the code are most likely an error due to incomplete refactoring.

Examples

Examples of incorrect code for this rule:

javascript
OUTER_LOOP:
for (const student of students) {
  if (checkScores(student.scores)) {
    continue;
  }
  doSomething(student);
}

Examples of correct code for this rule:

javascript
for (const student of students) {
  if (checkScores(student.scores)) {
    continue;
  }
  doSomething(student);
}

How to use

To enable this rule in the CLI or using the config file, you can use:

bash
oxlint --deny no-unused-labels
json
{
  "rules": {
    "no-unused-labels": "error"
  }
}

References

Released under the MIT License.