To get started, run ```sh just new-unicorn-rule no-useless-undefined ``` - [Rule docs](https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v54.0.0/docs/rules/no-useless-undefined.md) - [Rule source](https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v54.0.0/rules/no-useless-undefined.js)