webpack.build.config.js

const webpack = require('webpack')
const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
// const BabiliPlugin = require('babili-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')

// Any directories you will be adding code/files into, need to be added to this array so webpack will pick them up
const defaultInclude = path.resolve(__dirname, './app/src');

module.exports = {
  entry: './app/src',
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [
          MiniCssExtractPlugin.loader,
          'css-loader'
        ],
        include: [defaultInclude, path.resolve(__dirname, 'node_modules/codemirror/lib/codemirror.css'), path.resolve(__dirname, 'node_modules/codemirror/theme/dracula.css'), path.resolve(__dirname, './node_modules/react-tabs/style/react-tabs.css'), path.resolve(__dirname, './node_modules/react-tree-graph/dist/style.css')]
      },
      {
        test: /\.js|\.jsx$/,
        use: { loader: 'babel-loader', options: {presets: ['@babel/preset-env', '@babel/preset-react']} },
        include: defaultInclude,
        exclude: '/node_modules/'
      },
      {
        test: /\.(jpe?g|png|gif)$/,
        use: [{ loader: 'file-loader?name=img/[name]__[hash:base64:5].[ext]' }],
        include: defaultInclude
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2)$/,
        use: [{ loader: 'file-loader?name=font/[name]__[hash:base64:5].[ext]' }],
        include: defaultInclude
      }
    ]
  },
  resolve: {
    extensions: ['*', '.js', '.jsx']
  },
  target: 'electron-renderer',
  plugins: [
    new HtmlWebpackPlugin(),
    new MiniCssExtractPlugin({
      // Options similar to the same options in webpackOptions.output
      // both options are optional
      filename: 'bundle.css',
      chunkFilename: '[id].css'
    }),
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify('production')
    }),
    // new BabiliPlugin()
  ],
  stats: {
    colors: true,
    children: false,
    chunks: false,
    modules: false
  }
}