fix merge conflict

package.json

@@ -38,6 +38,7 @@
   },
   "dependencies": {
     "@babel/register": "^7.24.6",
+    "debug": "^4.3.7",
     "http-status": "^1.7.4",
     "jsonwebtoken": "^9.0.2",
     "node-fetch": "^2.7.0",

src/strategies/bearer-token.js

@@ -17,6 +17,7 @@
 
 import crypto from 'crypto';
 
+import createDebugLogger from 'debug';
 import HttpStatus from 'http-status';
 import jwt from 'jsonwebtoken';
 import fetch from 'node-fetch';
@@ -39,7 +40,10 @@ export default class extends Strategy {
 
   // eslint-disable-next-line max-statements
   async authenticate(req) {
+    const debug = createDebugLogger('@natlibfi/passport-keycloak-js/bearer-token:authenticate');
+
     try {
+
       const token = getToken(req);
       const serviceToken = this.serviceAuthHeader ? getServiceToken(req, this.serviceAuthHeader) : null;
 
@@ -70,6 +74,8 @@ export default class extends Strategy {
 
       return this.success(userInfo);
     } catch (err) {
+      debug(err);
+
       if (err instanceof TokenValidationError) { // eslint-disable-line functional/no-conditional-statements
         return this.fail();
       }

src/strategies/cookie.js

@@ -17,6 +17,7 @@
 
 import crypto from 'crypto';
 
+import createDebugLogger from 'debug';
 import HttpStatus from 'http-status';
 import jwt from 'jsonwebtoken';
 import fetch from 'node-fetch';
@@ -41,6 +42,8 @@ export default class extends Strategy {
 
   // eslint-disable-next-line max-statements
   async authenticate(req) {
+    const debug = createDebugLogger('@natlibfi/passport-keycloak-js/bearer-token:authenticate');
+
     try {
       const cookie = getCookie(req, this.cookieName);
       if (cookie === null) {
@@ -61,6 +64,8 @@ export default class extends Strategy {
 
       return this.success(userInfo);
     } catch (err) {
+      debug(err);
+
       if (err instanceof TokenValidationError) { // eslint-disable-line functional/no-conditional-statements
         return this.fail();
       }