webpack.dev.config.js

// eslint-disable-next-line @typescript-eslint/no-var-requires
const path = require('path');
// eslint-disable-next-line @typescript-eslint/no-var-requires
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin')
// eslint-disable-next-line @typescript-eslint/no-var-requires
const MiniCssExtractPlugin = require("mini-css-extract-plugin")
// eslint-disable-next-line @typescript-eslint/no-var-requires
const HtmlWebpackPlugin = require('html-webpack-plugin')
// eslint-disable-next-line @typescript-eslint/no-var-requires
const CleanWebpackPlugin = require('clean-webpack-plugin')
// eslint-disable-next-line @typescript-eslint/no-var-requires
const nodeExternals = require('webpack-node-externals')

const clientConfig = {
  name: 'clientConfig',
  mode: 'development',
  entry: {
    index: './src/index.tsx',
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
  },
  target: 'web',
  devtool: 'inline-source-map',
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.json'],
  },
  module: {
    rules: [
      {
        test: /\.(ts|js)x?$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
          },
          "css-loader",
        ],
      },
    ],
  },
  plugins: [
    new ForkTsCheckerWebpackPlugin(),
    new MiniCssExtractPlugin(),
    new HtmlWebpackPlugin({
      template: 'src/index.html',
      excludeChunks: ['server']
    }),
    new CleanWebpackPlugin(),
  ],
}

const serverConfig = {
  name: 'serverConfig',
  mode: 'development',
  entry: {
    server: './src/server/server.ts',
  },
  output: {
    path: path.join(__dirname, 'dist/server'),
    filename: '[name].js',
    publicPath: '/',
  },
  target: 'node',
  devtool: 'inline-source-map',
  devServer: {
    contentBase: './dist',
  },
  node: {
    // Need this when working with express, otherwise the build fails
    __dirname: false,   // if you don't put this is, __dirname
    __filename: false,  // and __filename return blank or /
  },
  externals: [nodeExternals()], // Need this to avoid error when working with Express
  module: {
    rules: [
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader"
        }
      }
    ]
  },
  plugins: [
    new ForkTsCheckerWebpackPlugin(),
    new CleanWebpackPlugin,
  ],
}

module.exports = [clientConfig, serverConfig]