webpack.config.render.js

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

module.exports = {
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    port: 8080,
  },
  entry: { index: path.resolve(__dirname, 'src', 'renderer', 'rendererPage.js') },
  module: {
    rules: [
      {
        test: /\.(png|jpe?g|svg|ttf|woff2?|mp3|ogg)$/,
        type: 'asset/resource',
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.styl$/,
        use: ['style-loader', 'css-loader', 'stylus-loader'],
      },
      {
        test: /\.html$/,
        loader: 'html-loader',
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: ['babel-loader'],
      },
    ],
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
  },
  plugins: [
    new Dotenv({
      systemvars: true,
    }),
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, 'src', 'renderer', 'index.html'),
      filename: 'renderer.html',
    }),
  ],
};