Function register

web/instrumentation.ts:13–58

()

import { logger } from '@/util/logger'

export async function register() {
  // Handle unhandled promise rejections (async errors that aren't caught)
  process.on(
    'unhandledRejection',
    (reason: unknown, promise: Promise<unknown>) => {
      logger.error(
        {
          reason:
            reason instanceof Error
              ? { message: reason.message, stack: reason.stack }
              : reason,
          promise: String(promise),
        },
        '[CRITICAL] Unhandled Promise Rejection',
      )
      // Don't exit - let the process continue to handle other requests
      // In production, Render will restart if there's a real crash
    },
  )

  // Handle uncaught exceptions (sync errors that aren't caught)
  process.on('uncaughtException', (error: Error, origin: string) => {
    logger.error(
      {
        message: error.message,
        stack: error.stack,
        origin,
      },
      '[CRITICAL] Uncaught Exception',
    )
    // Don't exit - let the process continue to handle other requests
    // This prevents a single bad request from taking down the entire server
  })

  logger.info({}, '[Instrumentation] Global error handlers registered')

  // DB-touching admission module uses `postgres`, which imports Node built-ins
  // like `crypto`. Gate on NEXT_RUNTIME so the edge bundle doesn't try to
  // resolve them.
  if (process.env.NEXT_RUNTIME === 'nodejs') {
    const { startFreeSessionAdmission } = await import(
      '@/server/free-session/admission'
    )
    startFreeSessionAdmission()
  }
}