webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const HtmlInlineScriptPlugin = require("html-inline-script-webpack-plugin");

module.exports = {
  entry: {
    code: "./src/code.ts",
    ui: "./src/ui.ts"
  },
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "[name].js",
    clean: true
  },
  resolve: {
    extensions: [".ts", ".js"]
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: "ts-loader",
        exclude: /node_modules/
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"]
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "./src/ui.html",
      filename: "ui.html",
      chunks: ["ui"],
      inject: "body"
    }),
    new HtmlInlineScriptPlugin({
      scriptMatchPattern: [/ui\.js$/],
      htmlMatchPattern: [/ui\.html$/]
    })
  ]
};