webpack.config.js

// Generated using webpack-cli https://github.com/webpack/webpack-cli

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CopyPlugin = require("copy-webpack-plugin");

const isProduction = process.env.NODE_ENV == "production";

const config = {
  entry: {
    'main': "./src/index.ts",
    'test': "./src/test.ts",
  },
  output: {
    path: path.resolve(__dirname, "dist"),
    assetModuleFilename: 'images/[name]-[hash][ext][query]'
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "index.html",
      chunks: ['main'],
    }),
    new MiniCssExtractPlugin(),
    new CopyPlugin({
      patterns: [
        {
          from: path.resolve(__dirname, "manifest.json"),
        },
      ],
    }),

    // Add your plugins here
    // Learn more about plugins from https://webpack.js.org/configuration/plugins/
  ],
  module: {
    rules: [
      {
        test: /\.(ts|tsx)$/i,
        loader: "ts-loader",
        exclude: ["/node_modules/"],
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2|png|jpg|gif)$/i,
        type: "asset/resource",
      },
      {
        test: /\.css$/,
        use: [
          MiniCssExtractPlugin.loader,
          'css-loader'
        ],
      }
      // Add your rules for custom modules here
      // Learn more about loaders from https://webpack.js.org/loaders/
    ],
  },
  resolve: {
    extensions: [".tsx", ".ts", ".js"],
  },
};

module.exports = () => {
  if (isProduction) {
    config.mode = "production";
  } else {
    config.mode = "development";
  }
  return config;
};