unicorn/prefer-optional-catch-binding Style

🛠️ An auto-fix is available for this rule.

Prefers omitting the catch binding parameter if it is unused.

It is unnecessary to bind the error to a variable if it is not used.

Examples of incorrect code for this rule:

javascript

try {
  // ...
} catch (e) {}

Examples of correct code for this rule:

javascript

try {
  // ...
} catch {}

How to use

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

Config (.oxlintrc.json)Config (oxlint.config.ts)CLI

json

{
  "rules": {
    "unicorn/prefer-optional-catch-binding": "error"
  }
}

import { defineConfig } from "oxlint";

export default defineConfig({
  rules: {
    "unicorn/prefer-optional-catch-binding": "error",
  },
});

bash

oxlint --deny unicorn/prefer-optional-catch-binding

This rule was added in v0.0.17.