fix: lower levels for health checks on middleware (RUN-31) (#62)

* fix: lower levels for health checks on middleware (RUN-31)

* fix: use original url

Author: DecathectZero

src/http.logger.ts

@@ -11,12 +11,13 @@ import { createJSONConfig } from './json.logger';
 import { LogFormat } from './log-format.enum';
 import { LogLevel } from './log-level.enum';
 import { LoggerOptions } from './logger-options.interface';
-import { getColorizer, isErrorResponse, isWarnResponse } from './utils';
+import { getColorizer, isErrorResponse, isHealthRequest, isWarnResponse } from './utils';
 
 export const createHTTPConfig = ({ format, level }: LoggerOptions): Options => ({
-  customLogLevel: (_req, res) => {
+  customLogLevel: (req, res) => {
     if (isWarnResponse(res)) return LogLevel.WARN;
     if (isErrorResponse(res)) return LogLevel.ERROR;
+    if (isHealthRequest(req)) return LogLevel.TRACE;
     return LogLevel.INFO;
   },
   wrapSerializers: true,

src/utils.ts

@@ -1,7 +1,8 @@
-import { ServerResponse } from 'node:http';
+import { IncomingMessage, ServerResponse } from 'node:http';
 
 import { green, red, yellow } from 'colorette';
 
+export const isHealthRequest = (req: IncomingMessage & { originalUrl?: string }) => (req.originalUrl ?? req.url) === '/health';
 export const isWarnResponse = (res: ServerResponse) => res.statusCode >= 400 && res.statusCode <= 499;
 export const isErrorResponse = (res: ServerResponse) => res.err || (res.statusCode >= 500 && res.statusCode <= 599);
 export const getColorizer = (res: ServerResponse) => {