fix(error-logger): log error code from AxiosError instances in ECS format (i don't care about legacy)

AUT-2772

Co-authored-by: Nagy Richard <[email protected]>

Author: fqqdk

src/logger/logger.spec.ts

@@ -229,6 +229,7 @@ describe('Logger', () => {
       url: 'http://amazinghost.com/beautiful-path',
       method: 'get',
     };
+    error.code = 'ECONNREINVENTED';
 
     logger.fromError('hi', error, { details: 'here' });
 
@@ -237,6 +238,7 @@ describe('Logger', () => {
     expect(logArguments.event.action).to.eql('hi');
     expect(logArguments.log.level).to.eql(50);
 
+    expect(logArguments.error.code).to.eql(error.code);
     expect(logArguments.error.type).to.eql(error.name);
     expect(logArguments.error.stack_trace).to.eql(error.stack);
     expect(logArguments.error.message).to.eql(error.message);
@@ -274,6 +276,15 @@ describe('Logger', () => {
       expect(logArguments.error).to.not.have.any.keys('context');
     });
 
+    it('should not log error code when it is undefined in the AxiosError object', () => {
+      const error = new AxiosError('failed');
+
+      logger.customError('warn', 'hi', error, { details: 'here' });
+
+      const logArguments = JSON.parse(outputStub.args[0][0]);
+      expect(logArguments.error).to.not.have.any.keys('code');
+    });
+
     it('should log only 3000 character of data', () => {
       const error: Error & { data?: any } = new Error('failed');
       error.data = 'exactlyTen'.repeat(400);

src/logger/logger.ts

@@ -13,9 +13,10 @@ interface ErrorWithData extends Error {
 
 interface AxiosError extends Error {
   isAxiosError: boolean;
-  config: {
-    method: string;
-    url: string;
+  code?: string;
+  config?: {
+    method?: string;
+    url?: string;
   };
   response?: {
     status: number;
@@ -196,8 +197,8 @@ export class Logger {
 
     if (Logger.config.outputFormat === 'legacy') {
       return {
-        request_method: error.config.method,
-        request_url: error.config.url,
+        request_method: error.config?.method,
+        request_url: error.config?.url,
         response_status: error.response ? error.response.status : undefined,
         response_status_text: error.response ? error.response.statusText : undefined,
         response_data: error.response ? this.shortenData(error.response.data) : undefined,
@@ -206,11 +207,11 @@ export class Logger {
 
     return {
       url: {
-        full: error.config.url,
+        full: error.config?.url,
       },
       http: {
         request: {
-          method: error.config.method,
+          method: error.config?.method,
         },
         response: {
           status_code: error.response ? error.response.status : undefined,
@@ -219,6 +220,9 @@ export class Logger {
           },
         },
       },
+      error: {
+        code: error.code,
+      },
     };
   }
 }