webpack.config.js

const path = require('path')

module.exports = {
  entry: './src/ui/App.jsx',
  module: {
    rules: [
      {
        test: /\.js|.jsx$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader'
        }
      },
      {
        test: /\.css|.scss$/,
        use: [
          'style-loader',
          'css-loader',
          'sass-loader'
        ]
      },
      {
        test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
        loader: 'url-loader',
        options: {
          name: 'assets/[name].[hash:8].[ext]'
        }
      },
      {
        test: [/\.eot$/, /\.ttf$/, /\.svg$/, /\.woff$/, /\.woff2$/],
        loader: 'file-loader',
        options: {
          name: 'assets/[name].[hash:8].[ext]'
        }
      }
    ]
  },
  resolve: {
    modules: ['src', 'node_modules'],
    extensions: ['*', '.js', '.jsx', '.css', '.scss']
  },
  output: {
    path: path.resolve(__dirname, './resources/ui'),
    filename: 'bundle.js'
  }
}