Repomix

import type { Context, Next } from 'hono'; import { getClientInfo } from '../utils/clientInfo.js'; import { logger } from '../utils/logger.js'; import { formatMemoryUsage, getMemoryUsage } from '../utils/memory.js'; import { calculateLatency } from '../utils/time.js'; // Augment Hono's context type declare module 'hono' { interface ContextVariableMap { requestId: string; } } // Generate unique request identifier function generateRequestId(): string { return `req-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`; } // Main logging middleware for Hono export function cloudLoggerMiddleware() { return async function cloudLoggerMiddleware(c: Context, next: Next) { const requestId = generateRequestId(); const startTime = Date.now(); // Add request ID to context for tracking c.set('requestId', requestId); // Collect basic request information const method = c.req.method; const url = new URL(c.req.url); const clientInfo = getClientInfo(c); // Log request start logger.info({ message: `${method} ${url.pathname} started`, requestId, httpRequest: { requestMethod: method, requestUrl: url.toString(), userAgent: clientInfo.userAgent, referer: clientInfo.referer, remoteIp: clientInfo.ip, }, }); try { // Execute the request await next(); // Calculate response time and memory usage const responseTime = calculateLatency(startTime); const memoryUsage = getMemoryUsage(); // Log successful request completion logger.info({ message: `${method} ${url.pathname} completed`, requestId, httpRequest: { requestMethod: method, requestUrl: url.toString(), status: c.res.status, responseSize: c.res.headers.get('content-length'), latency: responseTime, userAgent: clientInfo.userAgent, referer: clientInfo.referer, remoteIp: clientInfo.ip, }, memoryUsage: formatMemoryUsage(memoryUsage), }); } catch (error) { // Calculate response time even for errors const responseTime = calculateLatency(startTime); const memoryUsage = getMemoryUsage(); // Log error with context logger.error({ message: `${method} ${url.pathname} failed`, requestId, error: { message: error instanceof Error ? error.message : 'Unknown error', stack: error instanceof Error ? error.stack : undefined, }, httpRequest: { requestMethod: method, requestUrl: url.toString(), latency: responseTime, userAgent: clientInfo.userAgent, referer: clientInfo.referer, remoteIp: clientInfo.ip, }, memoryUsage: formatMemoryUsage(memoryUsage), }); // Re-throw the error to be handled by Hono's error handler throw error; } }; }