# vitest/prefer-to-have-length

📝 Enforce using toHaveLength().

⚠️ This rule _warns_ in the 🌐 `all` config.

🔧 This rule is automatically fixable by the [`--fix` CLI option](https://eslint.org/docs/latest/user-guide/command-line-interface#--fix).

<!-- end auto-generated rule header -->

```js
// bad
expect(files.length).toStrictEqual(1)

// good
expect(files).toHaveLength(1)
```