updated: newest widely supported javascript spec

Author: RyLee Harrison

README.md

@@ -31,14 +31,13 @@ The API is the same as [MQTT.js](https://github.com/mqttjs/MQTT.js#api), except
 ## Example
 
 ```javascript
-var MQTT = require("async-mqtt");
+const MQTT = require("async-mqtt");
 
-var client = MQTT.connect("tcp://somehost.com:1883");
+const client = MQTT.connect("tcp://somehost.com:1883");
 
 // When passing async functions as event listeners, make sure to have a try catch block
-client.on("connect", doStuff);
 
-async function doStuff() {
+const doStuff = async () => {
 
 	console.log("Starting");
 	try {
@@ -53,18 +52,20 @@ async function doStuff() {
 		process.exit();
 	}
 }
+
+client.on("connect", doStuff);
 ```
 
 ## Wrapping existing client
 
 ```javascript
-var AsyncClient = require("async-mqtt").AsyncClient;
+const { AsyncClient } = require("async-mqtt");
 
-var client = getRegularMQTTClientFromSomewhere();
+const client = getRegularMQTTClientFromSomewhere();
 
-var asyncClient = new AsyncClient(client);
+const asyncClient = new AsyncClient(client);
 
-asyncClient.publish("foo/bar", "baz").then(function(){
+asyncClient.publish("foo/bar", "baz").then(() => {
 	console.log("We async now");
 	return asyncClient.end();
 });

index.js

@@ -1,4 +1,5 @@
 const mqtt = require('mqtt');
+
 const RegularClientPrototype = mqtt.MqttClient.prototype;
 
 class AsyncClient {

package.json

@@ -24,7 +24,6 @@
   },
   "homepage": "https://github.com/mqttjs/async-mqtt#readme",
   "dependencies": {
-    "in-array": "^0.1.2",
     "mqtt": "^2.3.1"
   },
   "devDependencies": {

test.js

@@ -132,7 +132,7 @@ function buildServer () {
 
     client.on('subscribe', ({messageId, subscriptions}) => {
       client.suback({
-        messageId: messageId,
+        messageId,
         granted: subscriptions.map(({qos}) => qos)
       })
     })