Monitor websites uptime using Cloudflare Workers
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TypeScript
at main
12345678910111213141516171819202122232425262728293031323334353637import { createServer, type Server } from 'node:http';
import { hostedFetch } from './hosted-app.js';import { createNodeAdapter, type NodeAdapter, type NodeAdapterOptions } from './node-adapter.js';import type { NodeRuntime } from './node-env.js';
export interface NodeServer { server: Server; adapter: NodeAdapter;}
/** Wrap the existing hosted fetch handler in a Node HTTP server. Does not listen. */export function createNodeServer( runtime: NodeRuntime, overrides: Partial<Pick<NodeAdapterOptions, 'handler' | 'log'>> = {},): NodeServer { const { config, env } = runtime; const adapter = createNodeAdapter({ publicOrigin: config.publicOrigin, maxBodyBytes: config.maxBodyBytes, trustedProxies: config.trustedProxies, gatewayToken: config.gatewayToken, handler: (request, context) => hostedFetch(request, env, context), ...overrides, }); const server = createServer( // Slow clients are cut off here; the handler has its own database timeouts. { requestTimeout: 30_000, headersTimeout: 15_000, keepAliveTimeout: 65_000 }, adapter.listener, ); server.on('clientError', (_error, socket) => { if (socket.writable) socket.end('HTTP/1.1 400 Bad Request\r\nConnection: close\r\n\r\n'); else socket.destroy(); }); return { server, adapter };}