Merge from vscode cfbd1999769f4f08dce29629fb92fdc0fac53829

build/lib/preLaunch.js

@@ -0,0 +1,55 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+Object.defineProperty(exports, "__esModule", { value: true });
+// @ts-check
+const path = require("path");
+const child_process_1 = require("child_process");
+const fs_1 = require("fs");
+const yarn = process.platform === 'win32' ? 'yarn.cmd' : 'yarn';
+const rootDir = path.resolve(__dirname, '..', '..');
+function runProcess(command, args = []) {
+    return new Promise((resolve, reject) => {
+        const child = child_process_1.spawn(command, args, { cwd: rootDir, stdio: 'inherit', env: process.env });
+        child.on('exit', err => !err ? resolve() : process.exit(err !== null && err !== void 0 ? err : 1));
+        child.on('error', reject);
+    });
+}
+async function exists(subdir) {
+    try {
+        await fs_1.promises.stat(path.join(rootDir, subdir));
+        return true;
+    }
+    catch (_a) {
+        return false;
+    }
+}
+async function ensureNodeModules() {
+    if (!(await exists('node_modules'))) {
+        await runProcess(yarn);
+    }
+}
+async function getElectron() {
+    await runProcess(yarn, ['electron']);
+}
+async function ensureCompiled() {
+    if (!(await exists('out'))) {
+        await runProcess(yarn, ['compile']);
+    }
+}
+async function main() {
+    await ensureNodeModules();
+    await getElectron();
+    await ensureCompiled();
+    // Can't require this until after dependencies are installed
+    const { getBuiltInExtensions } = require('./builtInExtensions');
+    await getBuiltInExtensions();
+}
+if (require.main === module) {
+    main().catch(err => {
+        console.error(err);
+        process.exit(1);
+    });
+}