Switch most remaining extensions to use esbuild

Just 3 left:

- git and github. These are doing weird stuff with d.ts imports and const enums

- github-authentication  which has some tricky path mapping stuff

extensions/microsoft-authentication/.vscodeignore

@@ -2,7 +2,7 @@
 .vscode-test/**
 out/test/**
 out/**
-extension.webpack.config.js
+esbuild*.mts
 package-lock.json
 src/**
 .gitignore

extensions/microsoft-authentication/esbuild.mts

@@ -0,0 +1,67 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import * as fs from 'node:fs';
+import * as path from 'node:path';
+import { run } from '../esbuild-extension-common.mts';
+
+const srcDir = path.join(import.meta.dirname, 'src');
+const outDir = path.join(import.meta.dirname, 'dist');
+
+const isWindows = process.platform === 'win32';
+const isMacOS = process.platform === 'darwin';
+const isLinux = !isWindows && !isMacOS;
+
+const windowsArches = ['x64'];
+const linuxArches = ['x64'];
+
+let platformFolder: string;
+switch (process.platform) {
+	case 'win32': platformFolder = 'windows'; break;
+	case 'darwin': platformFolder = 'macos'; break;
+	case 'linux': platformFolder = 'linux'; break;
+	default: platformFolder = '';
+}
+
+const arch = process.env.VSCODE_ARCH || process.arch;
+
+/**
+ * Copy native MSAL runtime binaries to the output directory.
+ */
+async function copyNativeMsalFiles(outDir: string): Promise<void> {
+	if (
+		!(isWindows && windowsArches.includes(arch)) &&
+		!isMacOS &&
+		!(isLinux && linuxArches.includes(arch))
+	) {
+		return;
+	}
+
+	const msalRuntimeDir = path.join(import.meta.dirname, 'node_modules', '@azure', 'msal-node-runtime', 'dist', platformFolder, arch);
+	try {
+		const files = await fs.promises.readdir(msalRuntimeDir);
+		for (const file of files) {
+			if (/^(lib)?msal.*\.(node|dll|dylib|so)$/.test(file)) {
+				await fs.promises.copyFile(path.join(msalRuntimeDir, file), path.join(outDir, file));
+			}
+		}
+	} catch {
+		// Skip if directory doesn't exist (unsupported platform/arch)
+	}
+}
+
+run({
+	platform: 'node',
+	entryPoints: {
+		'extension': path.join(srcDir, 'extension.ts'),
+	},
+	srcDir,
+	outdir: outDir,
+	additionalOptions: {
+		external: ['vscode', './msal-node-runtime'],
+		alias: {
+			'keytar': path.resolve(import.meta.dirname, 'packageMocks', 'keytar', 'index.js'),
+		},
+	},
+}, process.argv, copyNativeMsalFiles);

extensions/microsoft-authentication/extension.webpack.config.js

@@ -1,69 +0,0 @@
-/*---------------------------------------------------------------------------------------------
- *  Copyright (c) Microsoft Corporation. All rights reserved.
- *  Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
-// @ts-check
-import withDefaults, { nodePlugins } from '../shared.webpack.config.mjs';
-import CopyWebpackPlugin from 'copy-webpack-plugin';
-import path from 'path';
-
-const isWindows = process.platform === 'win32';
-const isMacOS = process.platform === 'darwin';
-const isLinux = !isWindows && !isMacOS;
-
-const windowsArches = ['x64'];
-const linuxArches = ['x64'];
-
-let platformFolder;
-switch (process.platform) {
-	case 'win32':
-		platformFolder = 'windows';
-		break;
-	case 'darwin':
-		platformFolder = 'macos';
-		break;
-	case 'linux':
-		platformFolder = 'linux';
-		break;
-	default:
-		throw new Error(`Unsupported platform: ${process.platform}`);
-}
-
-const arch = process.env.VSCODE_ARCH || process.arch;
-console.log(`Building Microsoft Authentication Extension for ${process.platform} (${arch})`);
-
-const plugins = [...nodePlugins(import.meta.dirname)];
-if (
-	(isWindows && windowsArches.includes(arch)) ||
-	isMacOS ||
-	(isLinux && linuxArches.includes(arch))
-) {
-	plugins.push(new CopyWebpackPlugin({
-		patterns: [
-			{
-				// The native files we need to ship with the extension
-				from: `**/dist/${platformFolder}/${arch}/(lib|)msal*.(node|dll|dylib|so)`,
-				to: '[name][ext]'
-			}
-		]
-	}));
-}
-
-export default withDefaults({
-	context: import.meta.dirname,
-	entry: {
-		extension: './src/extension.ts'
-	},
-	externals: {
-		// The @azure/msal-node-runtime package requires this native node module (.node).
-		// It is currently only included on Windows, but the package handles unsupported platforms
-		// gracefully.
-		'./msal-node-runtime': 'commonjs ./msal-node-runtime'
-	},
-	resolve: {
-		alias: {
-			'keytar': path.resolve(import.meta.dirname, 'packageMocks', 'keytar', 'index.js')
-		}
-	},
-	plugins
-});