Added mangling loader for ts files in extensions

Author: mjbvz

extensions/mangle-loader.js

@@ -0,0 +1,34 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+// @ts-check
+
+const webpack = require('webpack');
+const { Mangler } = require('../build/lib/mangleTypeScript');
+
+let map;
+/**
+ * @param {string} projectPath
+ */
+function getMangledFileContents(projectPath) {
+	if (!map) {
+		const ts2tsMangler = new Mangler(projectPath, console.log);
+		map = ts2tsMangler.computeNewFileContents();
+	}
+
+	return map;
+}
+
+/**
+ * @type {webpack.LoaderDefinitionFunction}
+ */
+module.exports = async function (source, sourceMap, meta) {
+	const options = this.getOptions();
+	const callback = this.async();
+
+	const fileContentsMap = getMangledFileContents(options.configFile);
+
+	const newContents = fileContentsMap.get(this.resourcePath);
+	callback(null, newContents ?? source, sourceMap, meta);
+};

extensions/markdown-language-features/src/test/engine.ts

@@ -7,13 +7,18 @@ import * as vscode from 'vscode';
 import { MarkdownItEngine } from '../markdownEngine';
 import { MarkdownContributionProvider, MarkdownContributions } from '../markdownExtensions';
 import { githubSlugifier } from '../slugify';
-import { Disposable } from '../util/dispose';
 import { nulLogger } from './nulLogging';
 
-const emptyContributions = new class extends Disposable implements MarkdownContributionProvider {
+const emptyContributions = new class implements MarkdownContributionProvider {
 	readonly extensionUri = vscode.Uri.file('/');
 	readonly contributions = MarkdownContributions.Empty;
-	readonly onContributionsChanged = this._register(new vscode.EventEmitter<this>()).event;
+
+	private readonly _onContributionsChanged = new vscode.EventEmitter<this>();
+	readonly onContributionsChanged = this._onContributionsChanged.event;
+
+	dispose() {
+		this._onContributionsChanged.dispose();
+	}
 };
 
 export function createNewMarkdownEngine(): MarkdownItEngine {

extensions/shared.webpack.config.js

@@ -47,7 +47,12 @@ function withNodeDefaults(/**@type WebpackConfig*/extConfig) {
 							'sourceMap': true,
 						}
 					}
-				}]
+				}, {
+					loader: path.resolve(__dirname, './mangle-loader.js'),
+					options: {
+						configFile: path.join(extConfig.context, 'tsconfig.json')
+					},
+				},]
 			}]
 		},
 		externals: {
@@ -125,7 +130,14 @@ function withBrowserDefaults(/**@type WebpackConfig*/extConfig, /** @type Additi
 							},
 							...(additionalOptions ? {} : { configFile: additionalOptions.configFile })
 						}
-					}]
+					},
+					{
+						loader: path.resolve(__dirname, './mangle-loader.js'),
+						options: {
+							configFile: path.join(extConfig.context, additionalOptions?.configFile ?? 'tsconfig.json')
+						},
+					},
+				]
 			}]
 		},
 		externals: {