webpack.config.js

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

module.exports = {
  mode: 'development',
  entry: "./src/index.js",   
  optimization:{
    minimize: false, // <---- disables uglify.
    // minimizer: [new UglifyJsPlugin()] if you want to customize it.
  },
  output: {
    path: path.join(__dirname, "/dist"),
    filename: "index.bundle.js",
  },
  target: 'electron-main',  
  module: {
    rules: [
      {
        test: /.(js|jsx)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'babel-loader',
            options: {
              compact: false,
            },
          },
        ],
      },
      {
        test: /\.s?css$/,
        use: [
            "style-loader", // creates style nodes from JS strings
            "css-loader", // translates CSS into CommonJS
            "sass-loader" // compiles Sass to CSS, using Node Sass by default
        ]
      },
    ],
  },
  resolve: {
    extensions: ['*', '.js', '.jsx']
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "./src/index.html"
    })
  ],
};