unicorn/prefer-negative-index Style

🛠️ An auto-fix is available for this rule.

What it does

Prefer negative index over .length - index when possible

Why is this bad?

Conciseness and readability

Examples

Examples of incorrect code for this rule:

foo.slice(foo.length - 2, foo.length - 1);
foo.at(foo.length - 1);

Examples of correct code for this rule:

foo.slice(-2, -1);
foo.at(-1);

How to use

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

Config (.oxlintrc.json)

{
  "rules": {
    "unicorn/prefer-negative-index": "error"
  }
}

CLI

oxlint --deny unicorn/prefer-negative-index

References

• Rule Source