# @babel/eslint-plugin-development
A set of eslint rules to enforce best practices in the development of Babel plugins.
## Installation
You'll first need to install [ESLint](http://eslint.org):
```
$ npm install --save-dev eslint
```
Next, install `@babel/eslint-plugin-development`:
```
$ npm install --save-dev @babel/eslint-plugin-development
```
Then, load the plugin in your `.eslintrc` configuration file. You can omit the `eslint-plugin-` prefix:
```json
{
"plugins": ["@babel/development"]
}
```
## Supported Rules
> Note: Rules marked with :wrench: are autofixable.
* `@babel/development/no-deprecated-clone` (:wrench:): Disallows using the deprecated
`t.clone(node)` and `t.cloneDeep(node)` methods from `@babel/types`. Those
calls are replaced with `t.cloneNode(node)` when using `eslint --fix`.
* `@babel/development/no-undefined-identifier`: Disallows using
`t.identifier("undefined")` to create a node which represents an `undefined`
value, since it might cause problem if `undefined` is redeclared.
* `@babel/development/plugin-name`: Requires plugins to have a `name` property, which
can be useful for debugging purposes.
|