* Fix createSuper in Babel <7.5.5 In Babel <7.5.5, addHelper only throws when called for the first time. This was fixed by babel/babel#10208, but since we are already adding a workaround for <7.9.0, we may as well fix <7.5.5 * Use 7.0.0 in "babel-old-version" test
@babel/plugin-transform-classes
Compile ES2015 classes to ES5
See our website @babel/plugin-transform-classes for more information.
Install
Using npm:
npm install --save-dev @babel/plugin-transform-classes
or using yarn:
yarn add @babel/plugin-transform-classes --dev