1.Test/xiangminmin/webpack/day01/node_modules/@babel/plugin-syntax-optional-chaining

@babel/plugin-syntax-optional-chaining

Allow parsing of optional properties

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

Install

Using npm:

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

or using yarn:

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