webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

const outputDirectory = 'build';

module.exports = {
  entry: ['babel-polyfill', './src/client/index.js'],
  output: {
    path: path.join(__dirname, outputDirectory),
    filename: 'bundle.js'
  },
  module: {
    rules: [{
      test: /\.(js|jsx)$/,
      exclude: /node_modules/,
      use: {
        loader: 'babel-loader'
      }
    },
    {
      test: /\.sass|scss$/,
      use: [
        'style-loader',
        {
          loader: 'css-loader',
          options: {
            modules: true,
            localIdentName: '[local]--[hash:base64:5]',
          },
        },
        'resolve-url-loader',
        {
          loader: 'sass-loader',
          options: {
            sourceMap: true,
            sourceMapContents: false,
          },
        },
      ],
    },
    {
      test: /\.(png|woff|woff2|eot|ttf)$/,
      loader: 'url-loader?limit=100000'
    },
    {
      test: /.svg$/,
      use: ['@svgr/webpack'],
    },
    ]
  },
  resolve: {
    extensions: ['*', '.js', '.jsx']
  },
  devServer: {
    port: 3000,
    open: true,
  },
  target: 'electron-renderer',
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
    })
  ]
};