1.Test/heyingying/node_modules/@babel/plugin-transform-nullish-coalescing-operator

@babel/plugin-transform-nullish-coalescing-operator

Remove nullish coalescing operator

See our website @babel/plugin-transform-nullish-coalescing-operator for more information.

Install

Using npm:

npm install --save-dev @babel/plugin-transform-nullish-coalescing-operator

or using yarn:

yarn add @babel/plugin-transform-nullish-coalescing-operator --dev