Files
lab1/exam/common.js

40 lines
1.3 KiB
JavaScript

import fs from 'fs';
import { exec, execSync } from 'child_process';
import { promisify } from 'util';
const execPromise = promisify(exec);
export function installDeps() {
// check if node_modules exists
if (fs.existsSync('./node_modules')) {
return;
}
// install dependencies
console.log('Installing mandatory dependencies...');
execSync('npm install --omit=dev', { stdio: 'inherit' });
console.log('Mandatory dependencies installed');
// install dev dependencies (in the background)
console.log(); console.log(); console.log();
console.log('Installing dev dependencies...');
installDevDeps();
}
async function installDevDeps(attempt = 1) {
try {
await execPromise('npm install', { stdio: 'inherit' });
console.log('Dev dependencies installed');
} catch (error) {
console.error('Error installing dev dependencies:', error.message);
if (attempt < 3) {
const retryDelay = 5000 * attempt;
console.log(`Retrying in ${Math.round(retryDelay / 1000)} seconds...`);
setTimeout(() => installDevDeps(attempt + 1), retryDelay);
} else {
console.error('Failed to install dev dependencies.');
console.error('Please try again manually, by running "npm install" in the project directory.');
}
}
}