Optional parameters for the middleware

bufflog.ts

@@ -1,3 +1,5 @@
+import  { Options }  from "pino-http";
+
 const pinoLogger = require('pino')({
     level: process.env.LOG_LEVEL ? String.prototype.toLowerCase.apply(process.env.LOG_LEVEL) : "notice",
     // probably we want to call it `msg`. if so, let's change the PHP library instead
@@ -49,19 +51,22 @@ export function critical(message: string, context?: object) {
     pinoLogger.fatal({context: context}, message);
 }
 
-export function middleware() {
+export function middleware(options?: Options) {
+
+    const {  logger, genReqId, useLevel, stream, autoLogging, customLogLevel  } : Options = options || {};
+
     return require('pino-http')({
-       logger: pinoLogger,
+       logger: logger || pinoLogger,
 
-    // Define a custom logger level
-    customLogLevel: function (res: any, err: any) {
-        if (res.statusCode >= 400 && res.statusCode < 500) {
-            // for now, we don't want notice notification on the 4xx
+        // Define a custom logger level
+        customLogLevel: customLogLevel || function (res: any, err: any) {
+            if (res.statusCode >= 400 && res.statusCode < 500) {
+                // for now, we don't want notice notification on the 4xx
+                return 'info'
+            } else if (res.statusCode >= 500 || err) {
+            return 'error'
+            }
             return 'info'
-        } else if (res.statusCode >= 500 || err) {
-           return 'error'
-        }
-        return 'info'
-    },
+        },
    })
 }

index.ts

@@ -24,7 +24,11 @@ BuffLog.critical('hello critical', {"some":"stuff"});
 
 const app = express();
 
-app.use(BuffLog.middleware())
+ app.use(BuffLog.middleware())
+
+// use custom parameter , here a pino logger
+ app.use(BuffLog.middleware({'logger': require('pino')()}))
+
 
 app.listen(4000, () => {
     console.log(`Server is listening on port 4000`);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@bufferapp/bufflog",
-  "version": "0.0.5",
+  "version": "0.0.6",
   "description": "logger for all javascript and typescript Buffer services",
   "main": "dist/bufflog.js",
   "scripts": {
@@ -24,6 +24,7 @@
   },
   "dependencies": {
     "@types/pino": "^5.15.5",
+    "@types/pino-http": "^4.4.0",
     "dd-trace": "^0.18.0",
     "pino": "^5.16.0",
     "pino-http": "^5.0.0"