# @babel/plugin-proposal-optional-chaining
> Transform optional chaining operators into a series of nil checks
See our website [@babel/plugin-proposal-optional-chaining](https://babeljs.io/docs/en/babel-plugin-proposal-optional-chaining) for more information.
## Install
Using npm:
```sh
npm install --save-dev @babel/plugin-proposal-optional-chaining
```
or using yarn:
yarn add @babel/plugin-proposal-optional-chaining --dev