hexo/node_modules/@babel/plugin-proposal-optional-ch.../README.md

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# @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:
```sh
yarn add @babel/plugin-proposal-optional-chaining --dev
```