Add update-xterm scripts to vscode repo

scripts/update-xterm.js

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+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+const cp = require('child_process');
+const path = require('path');
+
+const moduleNames = [
+	'xterm',
+	'xterm-addon-search',
+	'xterm-addon-unicode11',
+	'xterm-addon-webgl'
+];
+
+const backendOnlyModuleNames = [
+	'xterm-headless',
+	'xterm-addon-serialize'
+];
+
+const vscodeDir = process.argv.length >= 3 ? process.argv[2] : process.cwd();
+if (path.basename(vscodeDir) !== 'vscode') {
+	console.error('The cwd is not named "vscode"');
+	return;
+}
+
+function getLatestModuleVersion(moduleName) {
+	return new Promise((resolve, reject) => {
+		cp.exec(`npm view ${moduleName} versions --json`, { cwd: vscodeDir }, (err, stdout, stderr) => {
+			if (err) {
+				reject(err);
+			}
+			const versions = JSON.parse(stdout);
+			resolve(versions[versions.length - 1]);
+		});
+	});
+}
+
+async function update() {
+	console.log('Fetching latest versions');
+	const allModules = moduleNames.concat(backendOnlyModuleNames);
+	const versionPromises = [];
+	for (const m of allModules) {
+		versionPromises.push(getLatestModuleVersion(m));
+	}
+	const latestVersionsArray = await Promise.all(versionPromises);
+	const latestVersions = {};
+	for (const [i, v] of latestVersionsArray.entries()) {
+		latestVersions[allModules[i]] = v;
+	}
+
+	console.log('Detected versions:');
+	for (const m of moduleNames.concat(backendOnlyModuleNames)) {
+		console.log(`  ${m}@${latestVersions[m]}`);
+	}
+
+	const pkg = require(path.join(vscodeDir, 'package.json'));
+
+	for (const m of moduleNames) {
+		const moduleWithVersion = `${m}@${latestVersions[m]}`;
+		if (pkg.dependencies[m] === latestVersions[m]) {
+			console.log(`Skipping ${moduleWithVersion}, already up to date`);
+			continue;
+		}
+		for (const cwd of [vscodeDir, path.join(vscodeDir, 'remote'), path.join(vscodeDir, 'remote/web')]) {
+			console.log(`${path.join(cwd, 'package.json')}: Updating ${moduleWithVersion}`);
+			cp.execSync(`yarn add ${moduleWithVersion}`, { cwd });
+		}
+	}
+
+	for (const m of backendOnlyModuleNames) {
+		const moduleWithVersion = `${m}@${latestVersions[m]}`;
+		if (pkg.dependencies[m] === latestVersions[m]) {
+			console.log(`Skipping ${moduleWithVersion}, already up to date`);
+			continue;
+		}
+		for (const cwd of [vscodeDir, path.join(vscodeDir, 'remote')]) {
+			console.log(`${path.join(cwd, 'package.json')}: Updating ${moduleWithVersion}`);
+			cp.execSync(`yarn add ${moduleWithVersion}`, { cwd });
+		}
+	}
+}
+
+update();

scripts/update-xterm.ps1

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+node $PSScriptRoot\update-xterm.js (Get-Location)