webpack.common.js

const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");
const TerserJSPlugin = require("terser-webpack-plugin");

module.exports = {
  optimization: {
    minimizer: [new TerserJSPlugin({})]
  },
  plugins: [
    new HtmlWebpackPlugin({ template: "src/index.html" }),
    new MiniCssExtractPlugin(),
    new CleanWebpackPlugin()
  ],
  resolve: { extensions: [".ts", ".js"] },
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: "ts-loader",
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpg|gif)$/i,
        use: [
          {
            loader: "url-loader",
            options: {
              limit: 8192
            }
          }
        ]
      },
      {
        test: /\.css$/i,
        use: [MiniCssExtractPlugin.loader, "css-loader"]
      },
      {
        test: /\.glsl$/i,
        use: "raw-loader"
      }
    ]
  }
};