vscode/extensions/shared.webpack.config.js

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

'use strict';

const path = require('path');

/**
 * Function that must be invoked with __dirname and that
 * returns a good default configuation for extensions that
 * want to do webpack
 */
module.exports = function (extensionDir, useTsLoader = true) {
	let config = {
		context: extensionDir,
		mode: 'none', // this leaves the source code as close as possible to the original (when packaging we set this to 'production')
		target: 'node', // extensions run in a node context
		resolve: {
			mainFields: ['main'], // prefer the main-entry of package.json files
			extensions: [".js"]
		},
		module: {
			rules: []
		},
		output: {
			// all output goes into `dist`.
			// packaging depends on that and this must always be like it
			filename: '[name].js',
			path: path.join(extensionDir, 'dist'),
			libraryTarget: "commonjs",
		},
		// yes, really source maps
		devtool: 'source-map'
	};

	if (useTsLoader) {
		config.resolve.extensions = [".ts", ".js"]; // support ts-files and js-files
		config.module.rules = [{
			// configure TypeScript loader:
			// * only transpile because we have a separate compilation pipeline
			// * enable sources maps for end-to-end source maps
			test: /\.ts$/,
			exclude: /node_modules/,
			use: [{
				loader: 'ts-loader',
				options: {
					transpileOnly: true,
					compilerOptions: {
						"sourceMap": true,
					}
				}
			}]
		}];
	}

	return config;
};