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