lib,src: remove usage of events.EventEmitter

The `events` module already exports `EventEmitter` constructor function
So, we don't have to use `events.EventEmitter` to access it.

Refer: https://github.com/nodejs/node/pull/2896

PR-URL: https://github.com/nodejs/node/pull/2921
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Michaël Zasso <mic.besace@gmail.com>

14 files changed, 22 insertions, 21 deletions

diff --git a/lib/_http_agent.js b/lib/_http_agent.js
index c18f39a38c..305baa2cbd 100644
--- a/lib/_http_agent.js
+++ b/lib/_http_agent.js
@@ -2,7 +2,7 @@
 
 const net = require('net');
 const util = require('util');
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 const debug = util.debuglog('http');
 
 // New Agent code.
diff --git a/lib/_http_client.js b/lib/_http_client.js
index 8ddf3341cf..aef05eb8fa 100644
--- a/lib/_http_client.js
+++ b/lib/_http_client.js
@@ -3,7 +3,7 @@
 const util = require('util');
 const net = require('net');
 const url = require('url');
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 const HTTPParser = process.binding('http_parser').HTTPParser;
 const assert = require('assert').ok;
 const common = require('_http_common');
diff --git a/lib/_http_server.js b/lib/_http_server.js
index 7acc108638..f2e2dcf001 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -2,7 +2,7 @@
 
 const util = require('util');
 const net = require('net');
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 const HTTPParser = process.binding('http_parser').HTTPParser;
 const assert = require('assert').ok;
 const common = require('_http_common');
@@ -117,7 +117,8 @@ function onServerResponseClose() {
   // array. That is, in the example below, b still gets called even though
   // it's been removed by a:
   //
-  //   var obj = new events.EventEmitter;
+  //   var EventEmitter = require('events');
+  //   var obj = new EventEmitter();
   //   obj.on('event', a);
   //   obj.on('event', b);
   //   function a() { obj.removeListener('event', b) }
diff --git a/lib/_stream_readable.js b/lib/_stream_readable.js
index c6bd0c1665..64ff744b8d 100644
--- a/lib/_stream_readable.js
+++ b/lib/_stream_readable.js
@@ -3,7 +3,7 @@
 module.exports = Readable;
 Readable.ReadableState = ReadableState;
 
-const EE = require('events').EventEmitter;
+const EE = require('events');
 const Stream = require('stream');
 const Buffer = require('buffer').Buffer;
 const util = require('util');
diff --git a/lib/_tls_legacy.js b/lib/_tls_legacy.js
index e0c60dbdf6..1d700c9218 100644
--- a/lib/_tls_legacy.js
+++ b/lib/_tls_legacy.js
@@ -1,7 +1,7 @@
 'use strict';
 
 const assert = require('assert');
-const events = require('events');
+const EventEmitter = require('events');
 const stream = require('stream');
 const tls = require('tls');
 const util = require('util');
@@ -672,7 +672,7 @@ function SecurePair(context, isServer, requestCert, rejectUnauthorized,
 
   options || (options = {});
 
-  events.EventEmitter.call(this);
+  EventEmitter.call(this);
 
   this.server = options.server;
   this._secureEstablished = false;
@@ -741,7 +741,7 @@ function SecurePair(context, isServer, requestCert, rejectUnauthorized,
   process.nextTick(securePairNT, this, options);
 }
 
-util.inherits(SecurePair, events.EventEmitter);
+util.inherits(SecurePair, EventEmitter);
 
 function securePairNT(self, options) {
   /* The Connection may be destroyed by an abort call */
diff --git a/lib/cluster.js b/lib/cluster.js
index 84d7c766cb..602cc8d60b 100644
--- a/lib/cluster.js
+++ b/lib/cluster.js
@@ -1,6 +1,6 @@
 'use strict';
 
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 const assert = require('assert');
 const dgram = require('dgram');
 const fork = require('child_process').fork;
diff --git a/lib/dgram.js b/lib/dgram.js
index 5d207a5ef6..eaf84272d1 100644
--- a/lib/dgram.js
+++ b/lib/dgram.js
@@ -3,7 +3,7 @@
 const assert = require('assert');
 const Buffer = require('buffer').Buffer;
 const util = require('util');
-const events = require('events');
+const EventEmitter = require('events');
 const constants = require('constants');
 
 const UDP = process.binding('udp_wrap').UDP;
@@ -79,7 +79,7 @@ exports._createSocketHandle = function(address, port, addressType, fd, flags) {
 
 
 function Socket(type, listener) {
-  events.EventEmitter.call(this);
+  EventEmitter.call(this);
 
   if (typeof type === 'object') {
     var options = type;
@@ -101,7 +101,7 @@ function Socket(type, listener) {
   if (typeof listener === 'function')
     this.on('message', listener);
 }
-util.inherits(Socket, events.EventEmitter);
+util.inherits(Socket, EventEmitter);
 exports.Socket = Socket;
 
 
diff --git a/lib/fs.js b/lib/fs.js
index eeb3806cdc..76f53db9ba 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -12,7 +12,7 @@ const constants = require('constants');
 const fs = exports;
 const Buffer = require('buffer').Buffer;
 const Stream = require('stream').Stream;
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 const FSReqWrap = binding.FSReqWrap;
 const FSEvent = process.binding('fs_event_wrap').FSEvent;
 
diff --git a/lib/http.js b/lib/http.js
index cead865749..64788dd5c0 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -2,7 +2,7 @@
 
 const util = require('util');
 const internalUtil = require('internal/util');
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 
 
 exports.IncomingMessage = require('_http_incoming').IncomingMessage;
diff --git a/lib/internal/child_process.js b/lib/internal/child_process.js
index 328a67d1ef..d1596406cf 100644
--- a/lib/internal/child_process.js
+++ b/lib/internal/child_process.js
@@ -2,7 +2,7 @@
 
 const StringDecoder = require('string_decoder').StringDecoder;
 const Buffer = require('buffer').Buffer;
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 const net = require('net');
 const dgram = require('dgram');
 const util = require('util');
diff --git a/lib/internal/socket_list.js b/lib/internal/socket_list.js
index e9b388d420..950d632a26 100644
--- a/lib/internal/socket_list.js
+++ b/lib/internal/socket_list.js
@@ -2,7 +2,7 @@
 
 module.exports = {SocketListSend, SocketListReceive};
 
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 const util = require('util');
 
 // This object keep track of the socket there are sended
diff --git a/lib/net.js b/lib/net.js
index 8245601e51..47422c30db 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -1,6 +1,6 @@
 'use strict';
 
-const events = require('events');
+const EventEmitter = require('events');
 const stream = require('stream');
 const timers = require('timers');
 const util = require('util');
@@ -1071,7 +1071,7 @@ function Server(options, connectionListener) {
   if (!(this instanceof Server))
     return new Server(options, connectionListener);
 
-  events.EventEmitter.call(this);
+  EventEmitter.call(this);
 
   var self = this;
   var options;
@@ -1113,7 +1113,7 @@ function Server(options, connectionListener) {
   this.allowHalfOpen = options.allowHalfOpen || false;
   this.pauseOnConnect = !!options.pauseOnConnect;
 }
-util.inherits(Server, events.EventEmitter);
+util.inherits(Server, EventEmitter);
 exports.Server = Server;
 
 
diff --git a/lib/readline.js b/lib/readline.js
index 0bdf5c16e2..0f9aabb2fe 100644
--- a/lib/readline.js
+++ b/lib/readline.js
@@ -12,7 +12,7 @@ const util = require('util');
 const internalUtil = require('internal/util');
 const inherits = util.inherits;
 const Buffer = require('buffer').Buffer;
-const EventEmitter = require('events').EventEmitter;
+const EventEmitter = require('events');
 
 
 exports.createInterface = function(input, output, completer, terminal) {
diff --git a/lib/stream.js b/lib/stream.js
index 8d3535dc4d..047fbceb4b 100644
--- a/lib/stream.js
+++ b/lib/stream.js
@@ -2,7 +2,7 @@
 
 module.exports = Stream;
 
-const EE = require('events').EventEmitter;
+const EE = require('events');
 const util = require('util');
 
 util.inherits(Stream, EE);