oxc/double-comparisons Correctness

✅ This rule is turned on by default.

💡 A suggestion is available for this rule.

This rule checks for double comparisons in logical expressions.

Redundant comparisons can be confusing and make code harder to understand.

Examples of incorrect code for this rule:

javascript

x === y || x < y;
x < y || x === y;

Examples of correct code for this rule:

javascript

x <= y;
x >= y;

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": {
    "oxc/double-comparisons": "error"
  }
}

import { defineConfig } from "oxlint";

export default defineConfig({
  rules: {
    "oxc/double-comparisons": "error",
  },
});

bash

oxlint --deny oxc/double-comparisons

This rule was added in v0.0.22.