code-server/build/lib/preLaunch.ts

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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.
*--------------------------------------------------------------------------------------------*/
'use strict';
// @ts-check
import * as path from 'path';
import { spawn } from 'child_process';
import { promises as fs } from 'fs';
const yarn = process.platform === 'win32' ? 'yarn.cmd' : 'yarn';
const rootDir = path.resolve(__dirname, '..', '..');
function runProcess(command: string, args: ReadonlyArray<string> = []) {
return new Promise<void>((resolve, reject) => {
const child = spawn(command, args, { cwd: rootDir, stdio: 'inherit', env: process.env });
child.on('exit', err => !err ? resolve() : process.exit(err ?? 1));
child.on('error', reject);
});
}
async function exists(subdir: string) {
try {
await fs.stat(path.join(rootDir, subdir));
return true;
} catch {
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);
});
}