1.Test/heyingying/node_modules/@babel/plugin-transform-optional-chaining

@babel/plugin-transform-optional-chaining

Transform optional chaining operators into a series of nil checks

See our website @babel/plugin-transform-optional-chaining for more information.

Install

Using npm:

npm install --save-dev @babel/plugin-transform-optional-chaining

or using yarn:

yarn add @babel/plugin-transform-optional-chaining --dev