webpack.config.renderer.js

const path = require('path');
const HtmlWebPackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

module.exports = {
  mode: "development",

  entry: [
    './src/renderer/index.tsx'
  ],

  output: {
    filename: 'renderer.js',
  },

  target: 'electron-renderer',

  // Enable sourcemaps for debugging webpack's output.
  devtool: "source-map",

  resolve: {
    // Add '.ts' and '.tsx' as resolvable extensions.
    extensions: [".ts", ".tsx", ".js", ".jsx"],
    
    alias: {
      '@orgdown/components': path.resolve(__dirname, 'src/renderer/components/'),
      '@orgdown/*': path.resolve(__dirname, 'src/*')
    }
  },

  module: {
    rules: [
      {
        test: /\.ts(x?)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: "ts-loader"
          }
        ]
      },
      // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
      {
        enforce: "pre",
        test: /\.js$/,
        loader: "source-map-loader"
      },
      {
        test: /\.css$/,
        loader: 'css-loader'
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              hmr: process.env.NODE_ENV === 'development',
            },
          },
          'css-loader',
          // 'postcss-loader',
          'sass-loader',
        ],
      }
    ]
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: "./public/index.html",
      inject: true
    }),
    new MiniCssExtractPlugin({
      // Options similar to the same options in webpackOptions.output
      // all options are optional
      filename: '[name].css',
      chunkFilename: '[id].css',
      ignoreOrder: false, // Enable to remove warnings about conflicting order
    }),
  ],
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    compress: true,
    port: 8080
  }
};