webpack - check js files, declare params, #56081

extensions/shared.webpack.config.js

@@ -3,12 +3,18 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+//@ts-check
+/** @typedef {import('webpack').Configuration} WebpackConfig **/
+
 'use strict';
 
 const path = require('path');
 const merge = require('merge-options');
 
-module.exports = function withDefaults(extConfig) {
+
+module.exports = function withDefaults(/**@type WebpackConfig*/extConfig) {
+
+	/** @type WebpackConfig */
 	let defaultConfig = {
 		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