webpack.config.js

// @ts-check
/** @typedef {import('webpack').Configuration} WebpackConfig */

"use strict";

const path = require( "path" );
const { CleanWebpackPlugin } = require( "clean-webpack-plugin" );

/** @type WebpackConfig */
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",
	plugins : [
		new CleanWebpackPlugin()
	],
	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",
						options : {
							compilerOptions : {
								"module"           : "es6", // override `tsconfig.json` so that TypeScript emits native JavaScript modules.
								"moduleResolution" : "node"
							}
						}
					}
				]
			}
		]
	}
};

module.exports = config;