nextjs-app/src/lib/logger.ts

/**
 * Lightweight logger that suppresses debug/warn/info in production.
 * console.error always fires (important for monitoring).
 */

const isDev = process.env.NODE_ENV !== 'production'

export const logger = {
  /** Always logs — use for genuine errors */
  error: (...args: unknown[]) => console.error(...args),

  /** Only logs in development or when LOG_REQUESTS=1 */
  warn: (...args: unknown[]) => {
    if (isDev) console.warn(...args)
  },

  /** Only logs in development */
  info: (...args: unknown[]) => {
    if (isDev) console.log(...args)
  },

  /** Only logs in development */
  debug: (...args: unknown[]) => {
    if (isDev) console.log(...args)
  },
}