webpack.config.js

const path = require("path");
const nodeExternals = require("webpack-node-externals");
const MonacoWebpackPlugin = require("monaco-editor-webpack-plugin");

module.exports = {
  entry: "./index.js",
  output: {
    filename: "index.js",
    path: path.resolve(__dirname, "dist"),
    library: "monaco",
    libraryTarget: "umd",
  },
  target: "web",
  devtool: "source-map",
  externals: [nodeExternals()],
  plugins: [new MonacoWebpackPlugin()],
  module: {
    rules: [
      {
        test: /\.(js|mjs|jsx|ts|tsx)$/,
        exclude: /(node_modules|bower_components)/,
        resolve: {
          extensions: [".js", ".jsx"],
        },
        use: {
          loader: "babel-loader",
          options: {
            presets: ["@babel/preset-react", "@babel/preset-env"],
            plugins: [
              "@babel/plugin-syntax-dynamic-import",
              "@babel/plugin-syntax-import-meta",
              "@babel/plugin-proposal-class-properties",
              "@babel/plugin-transform-runtime",
            ],
            targets: ["defaults", "not ie 11", "not ie_mob 11"],
          },
        },
      },
      {
        test: /\.scss$/,
        use: ["style-loader", "css-loader", "sass-loader"],
        include: path.resolve(__dirname, "./src"),
      },
      {
        test: /\.css$/,
        resolve: {
          extensions: [".css"],
        },
        use: ["style-loader", "css-loader"],
        include: [
          path.resolve(__dirname, "./node_modules/monaco-editor"),
          path.resolve(__dirname, "./src"),
        ],
      },
      {
        test: /\.ttf$/,
        use: ["file-loader"],
      },
    ],
  },
  optimization: {
    concatenateModules: false,
    providedExports: false,
    usedExports: false,
  },
  resolve: {
    alias: {
      vscode: require.resolve(
        "@codingame/monaco-languageclient/lib/vscode-compatibility",
      ),
    },
    extensions: [".js", ".json", ".ttf"],
  },
};