webpack.config.js

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

module.exports = {
  mode: 'development',
  entry: "./src/index.js",
  output: {
    path: path.join(__dirname, "/dist"),
    filename: "index-bundle.js"
  },
  module: {
    rules: [
      {
        test: /.(js|jsx)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'babel-loader',
            options: {
              compact: false,
            },
          },
        ],
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"]
      },
      {
        test: /.(js|jsx)$/,
        exclude: /node_modules/,
        use: ["babel-loader"]
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "./src/index.html"
    })
  ],
  target: 'electron-main'
};