release: PicHost v1.0.0

Multi-user image hosting with RBAC, upload preferences, and admin settings.

server/utils/logger.ts

@@ -0,0 +1,52 @@
+type LogLevel = 'debug' | 'info' | 'warn' | 'error'
+
+const LEVEL_ORDER: Record<LogLevel, number> = {
+  debug: 10,
+  info: 20,
+  warn: 30,
+  error: 40
+}
+
+function currentLevel(): LogLevel {
+  const raw = (process.env.LOG_LEVEL || 'info').toLowerCase()
+  if (raw === 'debug' || raw === 'info' || raw === 'warn' || raw === 'error') {
+    return raw
+  }
+  return 'info'
+}
+
+function shouldLog(level: LogLevel): boolean {
+  return LEVEL_ORDER[level] >= LEVEL_ORDER[currentLevel()]
+}
+
+function formatLine(level: LogLevel, message: string, extra?: Record<string, unknown>): string {
+  const time = new Date().toISOString()
+  const payload = extra && Object.keys(extra).length
+    ? ` ${JSON.stringify(extra)}`
+    : ''
+  return `[${time}] [${level.toUpperCase()}] ${message}${payload}`
+}
+
+export function logDebug(message: string, extra?: Record<string, unknown>) {
+  if (!shouldLog('debug')) return
+  console.debug(formatLine('debug', message, extra))
+}
+
+export function logInfo(message: string, extra?: Record<string, unknown>) {
+  if (!shouldLog('info')) return
+  console.log(formatLine('info', message, extra))
+}
+
+export function logWarn(message: string, extra?: Record<string, unknown>) {
+  if (!shouldLog('warn')) return
+  console.warn(formatLine('warn', message, extra))
+}
+
+export function logError(message: string, extra?: Record<string, unknown>) {
+  if (!shouldLog('error')) return
+  console.error(formatLine('error', message, extra))
+}
+
+export function clientIp(event: Parameters<typeof getRequestIP>[0]): string {
+  return getRequestIP(event, { xForwardedFor: true }) || '-'
+}