react-slide-alerts/webpack.config.js

This package contains alerts with a slide animation

module: {
    rules: [
        {
            test: path.join(__dirname, '.'),
            exclude: /(node_modules)/,
            loader: 'babel-loader',
            options: {
                presets: ['@babel/preset-env',
                    '@babel/react', {
                        'plugins': ['@babel/plugin-proposal-class-properties']
                    }]
            }
        }
    ]
}