Merge pull request #27 from log4js-node/fixed-lint

chore(lint): fixed lint issues

Author: lamweili

lib/index.js

@@ -72,10 +72,14 @@ function logstashHTTPAppender(config) {
     sender.post('', logstashJSON)
       .catch((error) => {
         if (error.response) {
-          console.error(`log4js.logstashHTTP Appender error posting to ${config.url}: ${error.response.status} - ${JSON.stringify(error.response.data)}`);
-          return;
+          // eslint-disable-next-line
+          console.error(
+            `log4js.logstashHTTP Appender error posting to ${config.url}: ${error.response.status} - ${JSON.stringify(error.response.data)}`
+          );
+        } else {
+          // eslint-disable-next-line
+          console.error(`log4js.logstashHTTP Appender error: ${error.message}`);
         }
-        console.error(`log4js.logstashHTTP Appender error: ${error.message}`);
       });
   };
 }