/** * Lightweight structured logger for server-side code. * * Wraps console.* with module prefixes and environment-aware filtering. * Suppresses info/warn in test environment to reduce noise. * Can be swapped for an external logging service (e.g. Axiom, Datadog) later. */ type LogLevel = 'info' | 'warn' | 'error' function shouldLog(level: LogLevel): boolean { if (process.env.NODE_ENV === 'test') { return level === 'error' } return true } export function createLogger(module: string) { const prefix = `[${module}]` return { info(message: string, ...args: unknown[]) { if (shouldLog('info')) console.log(prefix, message, ...args) }, warn(message: string, ...args: unknown[]) { if (shouldLog('warn')) console.warn(prefix, message, ...args) }, error(message: string, ...args: unknown[]) { if (shouldLog('error')) console.error(prefix, message, ...args) }, } }