@putout/plugin-remove-unused-private-fields/README.md

🐊Putout plugin adds ability to remove unused private fields

# @putout/plugin-remove-unused-private-fields [![NPM version][NPMIMGURL]][NPMURL]

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[NPMURL]: https://npmjs.org/package/@putout/plugin-remove-unused-private-fields"npm"

> **Class fields** are **public** by default, but **private class members** can be created by using a hash **`#`** prefix. The privacy encapsulation of these **class** features is enforced by **JavaScript** itself.
>
> (c) [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/Private_class_fields)

🐊[**Putout**](https://github.com/coderaiser/putout) plugin adds ability to remove unused private fields.

## Install

```
npm i @putout/plugin-remove-unused-private-fields
```

## Rule

```json
{
    "rules": {
        "remove-unused-private-fields": "on"
    }
}
```

## ❌ Incorrect code example

```js
class Hello {
    #a = 5;
    #b = 3;
    get() {
        return this.#a;
    }
}
```

## ✅ Correct code Example

```js
class Hello {
    #a = 5;
    get() {
        return this.#a;
    }
}
```

## Comparison

Linter | Rule | Fix
--------|-------|------------|
🐊 **Putout** | [`remove-unused-private-fields`](https://github.com/coderaiser/putout/tree/master/packages/plugin-remove-unused-private-fields#readme) | ✅
⏣ **ESLint** | [`no-unused-private-class-members`](https://eslint.org/docs/rules/no-unused-private-class-members) | ❌

## License

MIT