/**
* Vercel Serverless Function Handler
* Adapter for Universal Database MCP Server
*/
const { createHttpServer } = require('../../../dist/http/server.js');
const { loadConfig } = require('../../../dist/utils/config-loader.js');
let server;
/**
* Initialize server (lazy loading)
*/
async function initServer() {
if (!server) {
const config = loadConfig();
server = await createHttpServer(config);
}
return server;
}
/**
* Vercel Handler
*/
module.exports = async (req, res) => {
try {
const fastify = await initServer();
// Convert Vercel request to Fastify request
const response = await fastify.inject({
method: req.method,
url: req.url,
headers: req.headers,
payload: req.body,
});
// Set response headers
res.statusCode = response.statusCode;
Object.entries(response.headers).forEach(([key, value]) => {
res.setHeader(key, value);
});
// Set CORS headers
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization, X-API-Key');
// Send response
res.end(response.body);
} catch (error) {
console.error('Handler error:', error);
res.statusCode = 500;
res.setHeader('Content-Type', 'application/json');
res.end(JSON.stringify({
success: false,
error: {
code: 'INTERNAL_ERROR',
message: error.message
}
}));
}
};
