ci: tests will now pass

.eslintrc

@@ -1,21 +1,23 @@
 {
   "root": true,
-	"extends": "airbnb-base",
-	"rules": {
-		"comma-dangle": 0,
-		"indent": 2,
-		"object-shorthand": 0,
-		"func-names": 0,
-		"max-len": [1, 120, 2],
-		"no-use-before-define": ["warn"],
-		"no-param-reassign": 0,
+  "extends": ["airbnb-base", "prettier"],
+  "plugins": ["import"],
+  "rules": {
+    "comma-dangle": 0,
+    "indent": 2,
+    "object-shorthand": 0,
+    "func-names": 0,
+    "max-len": [1, 120, 2],
+    "no-use-before-define": ["warn"],
+    "no-param-reassign": 0,
     "strict": 0,
     "import/no-extraneous-dependencies": 1,
     "prefer-spread": 0,
-		"prefer-rest-params": 0,
-		"prefer-destructuring": 0
-	},
+    "prefer-rest-params": 0,
+    "prefer-destructuring": 0
+  },
   "parserOptions": {
     "ecmaVersion": 6
-  }
+  },
+  "ignorePatterns": ["coverage/**/*", "commitlint.config.js"]
 }

.prettierignore

@@ -0,0 +1,3 @@
+coverage
+.github
+.nyc_output

README.md

@@ -8,13 +8,13 @@ npm install log4js @log4js-node/logstash-http
 
 ## Configuration
 
-* `type` - `@log4js-node/logstash-http`
-* `url` - `string` - logFaces receiver servlet URL
-* `application` - `string` (optional) - used to identify your application's logs
-* `logChannel` - `string` (optional) - also used to identify your application's logs [but in a more specific way]
-* `logType` - `string` (optional) - used for the `type` field in the logstash data
-* `timeout` - `integer` (optional, defaults to 5000ms) - the timeout for the HTTP request.
-* `agent` - `http.Agent | https.Agent` (optional) - used to configure the requests being sent out if needed.
+- `type` - `@log4js-node/logstash-http`
+- `url` - `string` - logFaces receiver servlet URL
+- `application` - `string` (optional) - used to identify your application's logs
+- `logChannel` - `string` (optional) - also used to identify your application's logs [but in a more specific way]
+- `logType` - `string` (optional) - used for the `type` field in the logstash data
+- `timeout` - `integer` (optional, defaults to 5000ms) - the timeout for the HTTP request.
+- `agent` - `http.Agent | https.Agent` (optional) - used to configure the requests being sent out if needed.
 
 This appender will also pick up Logger context values from the events, and add them as `p_` values in the logFaces event. See the example below for more details.
 
@@ -23,16 +23,23 @@ This appender will also pick up Logger context values from the events, and add t
 ```javascript
 log4js.configure({
   appenders: {
-    logstash: { type: '@log4js-node/logstash-http', url: 'http://localhost:9200/_bulk', application: 'logstash-log4js', logType: 'application', logChannel: 'node' }
+    logstash: {
+      type: "@log4js-node/logstash-http",
+      url: "http://localhost:9200/_bulk",
+      application: "logstash-log4js",
+      logType: "application",
+      logChannel: "node",
+    },
   },
   categories: {
-    default: { appenders: [ 'logstash' ], level: 'info' }
-  }
+    default: { appenders: ["logstash"], level: "info" },
+  },
 });
 
 const logger = log4js.getLogger();
-logger.addContext('requestId', '123');
-logger.info('some interesting log message');
-logger.error('something has gone wrong');
+logger.addContext("requestId", "123");
+logger.info("some interesting log message");
+logger.error("something has gone wrong");
 ```
+
 This example will result in two log events being sent to your `localhost:9200`. Both events will have a `context.requestId` property with a value of `123`.

lib/index.js

@@ -1,27 +1,13 @@
-'use strict';
+"use strict";
 
 /**
  * logstashHTTP appender sends JSON formatted log events to logstashHTTP receivers.
  */
-const util = require('util');
-const axios = require('axios');
-
-function wrapErrorsWithInspect(items) {
-  return items.map((item) => {
-    if ((item instanceof Error) && item.stack) {
-      return {
-        inspect: function () {
-          return `${util.format(item)}\n${item.stack}`;
-        }
-      };
-    }
-
-    return item;
-  });
-}
+const util = require("util");
+const axios = require("axios");
 
 function format(logData) {
-  return util.format.apply(util, wrapErrorsWithInspect(logData));
+  return util.format(...logData);
 }
 
 /**
@@ -40,7 +26,7 @@ function logstashHTTPAppender(config) {
   const sender = axios.create({
     baseURL: config.url,
     timeout: config.timeout || 5000,
-    headers: { 'Content-Type': 'application/x-ndjson' },
+    headers: { "Content-Type": "application/x-ndjson" },
     withCredentials: true,
     // The user should pass in the correct Agent type for their url
     // since their url won't change after config this should be fine
@@ -62,25 +48,28 @@ function logstashHTTPAppender(config) {
         level: event.level.level / 100,
         level_name: event.level.levelStr,
         channel: config.logChannel,
-        datetime: (new Date(event.startTime)).toISOString(),
+        datetime: new Date(event.startTime).toISOString(),
         extra: {},
       },
     ];
-    const logstashJSON = `${JSON.stringify(logstashEvent[0])}\n${JSON.stringify(logstashEvent[1])}\n`;
+    const logstashJSON = `${JSON.stringify(logstashEvent[0])}\n${JSON.stringify(
+      logstashEvent[1]
+    )}\n`;
 
     // send to server
-    sender.post('', logstashJSON)
-      .catch((error) => {
-        if (error.response) {
-          // 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}`);
-        }
-      });
+    sender.post("", logstashJSON).catch((error) => {
+      if (error.response) {
+        // 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}`);
+      }
+    });
   };
 }