react-responsive-carousel/babel.config.json

{
    "presets": [
        [
            "@babel/env",
            {
                "modules": "commonjs",
                "targets": ["last 2 versions", "not dead"]
            }
        ],
        "@babel/preset-react",
        "@babel/preset-typescript"
    ],
    "plugins": ["@babel/plugin-proposal-class-properties"]
}