style: resolve linting errors in webpack config files

Author: traunts

packages/client/webpack.config.js

@@ -50,6 +50,8 @@ module.exports = composePlugins(withNx(), withWeb(), (config) => {
     vscode: 'commonjs vscode', // ignored because it doesn't exist
   };
 
+  config.output = config.output ?? {};
+
   config.output.libraryTarget = 'commonjs2';
   // config.output.filename = 'extension.js';
 
@@ -69,7 +71,9 @@ module.exports = composePlugins(withNx(), withWeb(), (config) => {
     extension: './src/extension.ts',
   };
 
-  config.output.devtoolModuleFilenameTemplate = function (info) {
+  config.output.devtoolModuleFilenameTemplate = function (
+    /** @type {{ absoluteResourcePath: string; }} */ info
+  ) {
     const rel = path.relative(process.cwd(), info.absoluteResourcePath);
     return `webpack:///./${rel}`;
   };

packages/server/webpack.config.js

@@ -58,7 +58,7 @@ module.exports = composePlugins(withNx(), withWeb(), (config) => {
     'tree-sitter-ccini': 'commonjs ../../tree-sitter-ccini',
   };
 
-  config.output = config.output || {};
+  config.output = config.output ?? {};
 
   config.output.libraryTarget = 'commonjs2';
   // config.output.filename = 'extension.js';