webpack.config.js

//@ts-check

'use strict';

const path = require('path');

/**@type {import('webpack').Configuration}*/
const config = {
  target: 'node',  // vscode extensions run in a Node.js-context 📖 ->
                   // https://webpack.js.org/configuration/node/

  entry:
      './src/extension.ts',  // the entry point of this extension, 📖 ->
                             // https://webpack.js.org/configuration/entry-context/
  output: {
    // the bundle is stored in the 'dist' folder (check package.json), 📖 ->
    // https://webpack.js.org/configuration/output/
    path: path.resolve(__dirname, 'dist'),
    filename: 'extension.js',
    libraryTarget: 'commonjs2',
    devtoolModuleFilenameTemplate: '../[resource-path]'
  },
  devtool: 'source-map',
  externals: {
    vscode:
        'commonjs vscode',  // the vscode-module is created on-the-fly and must
                            // be excluded. Add other modules that cannot be
                            // webpack'ed, 📖 ->
                            // https://webpack.js.org/configuration/externals/
  },
  resolve: {
    // support reading TypeScript and JavaScript files, 📖 ->
    // https://github.com/TypeStrong/ts-loader
    extensions: ['.ts', '.js']
  },
  module: {
    rules:
        [{test: /\.ts$/, exclude: /node_modules/, use: [{loader: 'ts-loader'}]}]
  },
  node: {__dirname: false}
};
module.exports = config;