transform client.js into an es6 class

src/client.js

@@ -1,21 +1,20 @@
-var EventEmitter = require('events').EventEmitter
-  , util = require('util')
-  , debug = require('./debug')
-  , serializer = require('./transforms/serializer')
-  , compression = require('./transforms/compression')
-  , framing = require('./transforms/framing')
-  , crypto = require('crypto')
-  , states = serializer.states
-  ;
+var EventEmitter = require('events').EventEmitter;
+var debug = require('./debug');
+var serializer = require('./transforms/serializer');
+var compression = require('./transforms/compression');
+var framing = require('./transforms/framing');
+var crypto = require('crypto');
+var states = serializer.states;
 var version = require('./version');
 var packets = require('minecraft-data')(version.majorVersion).protocol.states;
 var readPackets = require("./packets").readPackets;
 var packetIndexes = readPackets(packets, states);
 
-module.exports = Client;
 
-function Client(isServer) {
-  EventEmitter.call(this);
+class Client extends EventEmitter
+{
+  constructor(isServer) {
+    super();
 
     var socket;
     this.packetsToParse = {};
@@ -64,9 +63,7 @@ function Client(isServer) {
     });
   }
 
-util.inherits(Client, EventEmitter);
-
-Client.prototype.setSocket = function(socket) {
+  setSocket(socket) {
     var ended = false;
 
     // TODO : A lot of other things needs to be done.
@@ -111,14 +108,14 @@ Client.prototype.setSocket = function(socket) {
       this.emit('raw.' + parsed.metadata.name, parsed.buffer, parsed.metadata);
       this.emit('raw', parsed.buffer, parsed.metadata);
     });
-};
+  }
 
-Client.prototype.end = function(reason) {
+  end(reason) {
     this._endReason = reason;
     this.socket.end();
-};
+  }
 
-Client.prototype.setEncryption = function(sharedSecret) {
+  setEncryption(sharedSecret) {
     if (this.cipher != null)
       throw new Error("Set encryption twice !");
     this.cipher = crypto.createCipheriv('aes-128-cfb8', sharedSecret, sharedSecret);
@@ -131,7 +128,7 @@ Client.prototype.setEncryption = function(sharedSecret) {
     this.socket.pipe(this.decipher).pipe(this.splitter);
   }
 
-Client.prototype.setCompressionThreshold = function(threshold) {
+  setCompressionThreshold(threshold) {
     if (this.compressor == null) {
       this.compressor = compression.createCompressor(threshold);
       this.compressor.on('error', (err) => this.emit('error', err));
@@ -147,15 +144,18 @@ Client.prototype.setCompressionThreshold = function(threshold) {
     }
   }
 
-Client.prototype.write = function(packetName, params) {
+  write(packetName, params) {
     debug("writing packet " + this.state + "." + packetName);
     debug(params);
     this.serializer.write({ packetName, params });
-};
+  }
 
-Client.prototype.writeRaw = function(buffer) {
+  writeRaw(buffer) {
     if (this.compressor === null)
       this.framer.write(buffer);
     else
       this.compressor.write(buffer);
-};
+  }
+}
+
+module.exports = Client;