webpack.config.js

module.exports = {
    entry: './src/index.js',
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: [
                    {
                        loader: 'babel-loader',
                        query: {
                            presets: ['@babel/preset-env'],
                        },
                    },
                ]
            },
            {
                test: /\.css$/,
                use: [
                    'style-loader',
                    'css-loader'
                ]
            },
            {
                test: /\.svg$/,
                loader: 'svg-inline-loader?removeSVGTagAttrs=false'
            }
        ]
    },
    output: {
        path: __dirname + '/dist',
        publicPath: '/',
        filename: 'bundle.js',
        library: 'Button',
        libraryTarget: 'umd',
        libraryExport: 'default'
    }
};