* Only bundle the release build, and don't import `src` in tests * Use file extension to signal skipping * Remove unnecessary config change * Fix imports
@babel/plugin-proposal-optional-chaining
Transform optional chaining operators into a series of nil checks
See our website @babel/plugin-proposal-optional-chaining for more information.
Install
Using npm:
npm install --save-dev @babel/plugin-proposal-optional-chaining
or using yarn:
yarn add @babel/plugin-proposal-optional-chaining --dev