feat: log unhandled errors and pretty dev output (WealthLedger/backend#120) (#126)

feat: log unhandled errors and pretty dev output (#120)

src/common/logging/logging.module.ts

@@ -24,6 +24,7 @@ function completion(request: Request, response: Response, value: { responseTime:
     status: response.statusCode,
     durationMs: Math.round(value.responseTime),
     ...(typeof response.locals.publicErrorCode === 'string' ? { code: response.locals.publicErrorCode } : {}),
+    ...(typeof response.locals.invalidFields === 'string' ? { invalidFields: response.locals.invalidFields } : {}),
   };
 }
 
@@ -31,6 +32,10 @@ export function loggingOptions(config: ConfigService<Environment, true>): Option
   return {
     level: config.getOrThrow('LOG_LEVEL'),
     messageKey: 'message',
+    // ponytail: development-only pretty output; production never loads pino-pretty.
+    ...(process.env['NODE_ENV'] === 'development'
+      ? { transport: { target: 'pino-pretty', options: { colorize: true, singleLine: true, messageKey: 'message' } } }
+      : {}),
     genReqId: (_request, response) => {
       const id = randomUUID();
       response.setHeader('X-Request-ID', id);