Revert "Fix extension private prop mangling when compiling all projec… (#167490)

Revert "Fix extension private prop mangling when compiling all projects (#167464)"

This reverts commit 725330a7cd.

extensions/shared.webpack.config.js

@@ -15,13 +15,6 @@ const CopyWebpackPlugin = require('copy-webpack-plugin');
 const { NLSBundlePlugin } = require('vscode-nls-dev/lib/webpack-bundler');
 const { DefinePlugin, optimize } = require('webpack');
 
-const tsLoaderOptions = {
-	compilerOptions: {
-		'sourceMap': true,
-	},
-	onlyCompileBundledFiles: true,
-};
-
 function withNodeDefaults(/**@type WebpackConfig*/extConfig) {
 	/** @type WebpackConfig */
 	const defaultConfig = {
@@ -49,7 +42,11 @@ function withNodeDefaults(/**@type WebpackConfig*/extConfig) {
 					// configure TypeScript loader:
 					// * enable sources maps for end-to-end source maps
 					loader: 'ts-loader',
-					options: tsLoaderOptions
+					options: {
+						compilerOptions: {
+							'sourceMap': true,
+						}
+					}
 				}, {
 					loader: path.resolve(__dirname, 'mangle-loader.js'),
 					options: {
@@ -128,8 +125,11 @@ function withBrowserDefaults(/**@type WebpackConfig*/extConfig, /** @type Additi
 						// * enable sources maps for end-to-end source maps
 						loader: 'ts-loader',
 						options: {
-							...tsLoaderOptions,
+							compilerOptions: {
+								'sourceMap': true,
+							},
 							...(additionalOptions ? {} : { configFile: additionalOptions.configFile }),
+							onlyCompileBundledFiles: true,
 						}
 					},
 					{