webpack.renderer.config.js

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

module.exports = {
  mode: process.env.NODE_ENV || 'development',
  entry: './src/renderer/index.tsx',
  target: 'electron-renderer',
  devtool: 'source-map',
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        include: [
          path.resolve(__dirname, 'src/renderer'),
          path.resolve(__dirname, 'src/shared'),
        ],
        use: [
          {
            loader: 'ts-loader',
            options: {
              configFile: path.resolve(__dirname, 'tsconfig.renderer.json'),
              transpileOnly: true,
            },
          },
        ],
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
  output: {
    path: path.resolve(__dirname, './build/renderer'),
    filename: 'index.js',
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js', '.jsx'],
    alias: {
      '@main': path.resolve(__dirname, 'src/main'),
      '@renderer': path.resolve(__dirname, 'src/renderer'),
      '@shared': path.resolve(__dirname, 'src/shared'),
      '@assets': path.resolve(__dirname, 'assets'),
    },
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, 'src/renderer/index.html'),
      filename: 'index.html',
    }),
  ],
};