node_modules/@babel/plugin-proposal-class-properties/README.md

@babel/plugin-proposal-class-properties

This plugin transforms static class properties as well as properties declared with the property initializer syntax

See our website @babel/plugin-proposal-class-properties for more information.

Install

Using npm:

npm install --save-dev @babel/plugin-proposal-class-properties

or using yarn:

yarn add @babel/plugin-proposal-class-properties --dev