start.js•3.77 kB
#!/usr/bin/env node
import { spawn, execSync } from 'child_process';
import { fileURLToPath } from 'url';
import { dirname, join } from 'path';
import chalk from 'chalk';
import open from 'open';
import { networkInterfaces } from 'os';
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
console.log(chalk.blue.bold('🚀 Starting HANA MCP UI...'));
console.log(chalk.gray('Professional database configuration management'));
let backendProcess, frontendProcess;
// Graceful shutdown
process.on('SIGINT', () => {
console.log(chalk.yellow('\n🛑 Shutting down servers...'));
if (backendProcess) backendProcess.kill();
if (frontendProcess) frontendProcess.kill();
process.exit(0);
});
// Start backend server
console.log(chalk.cyan('🔧 Starting backend server...'));
backendProcess = spawn('node', [join(__dirname, 'server', 'index.js')], {
stdio: 'inherit',
env: { ...process.env, PORT: '3001' }
});
backendProcess.on('error', (err) => {
console.error(chalk.red('Backend server error:'), err);
});
// Function to check if port is in use and kill the process if needed
function checkPortAndKillProcess(port) {
try {
console.log(chalk.yellow(`🔍 Checking if port ${port} is already in use...`));
// Check if the port is in use
const checkCommand = process.platform === 'win32'
? `netstat -ano | findstr :${port}`
: `lsof -i :${port}`;
try {
const result = execSync(checkCommand, { encoding: 'utf8' });
if (result) {
console.log(chalk.yellow(`⚠️ Port ${port} is already in use. Finding the process...`));
// Get the PID of the process using the port
let pid;
if (process.platform === 'win32') {
// Extract PID from Windows netstat output
const lines = result.split('\n');
for (const line of lines) {
if (line.includes(`LISTENING`)) {
pid = line.trim().split(/\s+/).pop();
break;
}
}
} else {
// Extract PID from lsof output
const pidMatch = result.match(/\s+(\d+)\s+/);
if (pidMatch && pidMatch[1]) {
pid = pidMatch[1];
}
}
if (pid) {
console.log(chalk.yellow(`🛑 Killing process ${pid} that's using port ${port}...`));
// Kill the process
const killCommand = process.platform === 'win32'
? `taskkill /F /PID ${pid}`
: `kill -9 ${pid}`;
execSync(killCommand);
console.log(chalk.green(`✅ Process terminated.`));
// Wait a moment for the port to be released
execSync('sleep 1');
} else {
console.log(chalk.red(`❌ Could not find the process using port ${port}.`));
}
}
} catch (error) {
// If the command fails, it likely means no process is using the port
console.log(chalk.green(`✅ Port ${port} is available.`));
}
} catch (error) {
console.error(chalk.red(`Error checking port ${port}:`, error.message));
}
}
// Check and clear port 5173 if needed
checkPortAndKillProcess(5173);
// Start frontend server
console.log(chalk.cyan('⚛️ Starting React dev server...'));
frontendProcess = spawn('vite', ['--port', '5173', '--host', '0.0.0.0'], {
stdio: 'inherit',
cwd: __dirname,
shell: true
});
frontendProcess.on('error', (err) => {
console.error(chalk.red('Frontend server error:'), err);
});
// Open browser after a delay
setTimeout(() => {
console.log(chalk.green.bold('\n✨ HANA MCP UI is ready!'));
console.log(chalk.gray('Opening browser at http://localhost:5173'));
open('http://localhost:5173');
}, 5000);
