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unicorn/no-useless-switch-case Pedantic

🚧 An auto-fix is still under development.

What it does

Disallows useless default cases in switch statements.

Why is this bad?

An empty case before the last default case is useless.

Examples

Examples of incorrect code for this rule:

javascript
switch (foo) {
  case 1:
  default:
    handleDefaultCase();
    break;
}

Examples of correct code for this rule:

javascript
switch (foo) {
  case 1:
  case 2:
    handleCase1And2();
    break;
}

How to use

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

bash
oxlint --deny unicorn/no-useless-switch-case
json
{
  "rules": {
    "unicorn/no-useless-switch-case": "error"
  }
}

References

Released under the MIT License.