webpack.config.js

const path = require("path");
const CopyWebpackPlugin = require("copy-webpack-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
const TsconfigPathsPlugin = require("tsconfig-paths-webpack-plugin");

const buildFolder = "build";

module.exports = {
  entry: "./src/index.ts",
  output: {
    filename: "main.js",
    path: path.resolve(__dirname, buildFolder)
  },
  plugins: [
    new CleanWebpackPlugin(),
    new CopyWebpackPlugin([{ from: "./public", to: "./" }])
  ],
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: "ts-loader"
      },
      {
        test: /\.scss$/,
        use: [
          {
            loader: "style-loader"
          },
          {
            loader: "css-loader"
          },
          {
            loader: "sass-loader"
          }
        ]
      },
      {
        test: /\.(wav|mp3|flac|jpg|jpeg|png)$/i,
        loader: "file-loader",
        options: {
          name: "[path][name].[ext]"
        }
      }
    ]
  },
  resolve: {
    extensions: [".ts", ".tsx", ".js"],
    plugins: [new TsconfigPathsPlugin()]
  },
  optimization: {
    minimizer: [
      new UglifyJsPlugin({
        uglifyOptions: {
          output: {
            comments: false
          }
        }
      })
    ]
  },
  devServer: {
    contentBase: path.join(__dirname, buildFolder),
    compress: true,
    port: 9000
  },
  devtool: "source-map"
};