[major] Drop support for Node.js < 4.5.0 (websockets#1313)

.travis.yml

@@ -5,6 +5,5 @@ node_js:
   - "8"
   - "6"
   - "4"
-  - "4.2.2"
 after_success:
   - "npm install coveralls@3 && nyc report --reporter=text-lcov | coveralls"

appveyor.yml

@@ -4,7 +4,6 @@ environment:
     - nodejs_version: "8"
     - nodejs_version: "6"
     - nodejs_version: "4"
-    - nodejs_version: "4.2.2"
 platform:
   - x86
   - x64

bench/parser.benchmark.js

@@ -1,14 +1,12 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const benchmark = require('benchmark');
 const crypto = require('crypto');
 
 const WebSocket = require('..');
 
 const Receiver = WebSocket.Receiver;
 const Sender = WebSocket.Sender;
-const Buffer = safeBuffer.Buffer;
 
 const options = {
   fin: true,

bench/speed.js

@@ -1,11 +1,9 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const cluster = require('cluster');
 
 const WebSocket = require('..');
 
-const Buffer = safeBuffer.Buffer;
 const port = 8181;
 
 if (cluster.isMaster) {

lib/buffer-util.js

@@ -1,9 +1,5 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
-
-const Buffer = safeBuffer.Buffer;
-
 /**
  * Merges an array of buffers into a new buffer.
  *

lib/constants.js

@@ -1,9 +1,5 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
-
-const Buffer = safeBuffer.Buffer;
-
 module.exports = {
   BINARY_TYPES: ['nodebuffer', 'arraybuffer', 'fragments'],
   GUID: '258EAFA5-E914-47DA-95CA-C5AB0DC85B11',

lib/permessage-deflate.js

@@ -1,14 +1,11 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const Limiter = require('async-limiter');
 const zlib = require('zlib');
 
 const bufferUtil = require('./buffer-util');
 const constants = require('./constants');
 
-const Buffer = safeBuffer.Buffer;
-
 const TRAILER = Buffer.from([0x00, 0x00, 0xff, 0xff]);
 const EMPTY_BLOCK = Buffer.from([0x00]);
 

lib/receiver.js

@@ -1,15 +1,12 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const stream = require('stream');
 
 const PerMessageDeflate = require('./permessage-deflate');
 const bufferUtil = require('./buffer-util');
 const validation = require('./validation');
 const constants = require('./constants');
 
-const Buffer = safeBuffer.Buffer;
-
 const GET_INFO = 0;
 const GET_PAYLOAD_LENGTH_16 = 1;
 const GET_PAYLOAD_LENGTH_64 = 2;

lib/sender.js

@@ -1,15 +1,12 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const crypto = require('crypto');
 
 const PerMessageDeflate = require('./permessage-deflate');
 const bufferUtil = require('./buffer-util');
 const validation = require('./validation');
 const constants = require('./constants');
 
-const Buffer = safeBuffer.Buffer;
-
 /**
  * HyBi Sender implementation.
  */

lib/websocket-server.js

@@ -1,6 +1,5 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const EventEmitter = require('events');
 const crypto = require('crypto');
 const http = require('http');
@@ -11,8 +10,6 @@ const extension = require('./extension');
 const constants = require('./constants');
 const WebSocket = require('./websocket');
 
-const Buffer = safeBuffer.Buffer;
-
 /**
  * Class representing a WebSocket server.
  *

package.json

@@ -26,8 +26,7 @@
     "lint": "eslint ."
   },
   "dependencies": {
-    "async-limiter": "~1.0.0",
-    "safe-buffer": "~5.1.0"
+    "async-limiter": "~1.0.0"
   },
   "devDependencies": {
     "benchmark": "~2.1.2",

test/permessage-deflate.test.js

@@ -1,13 +1,10 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const assert = require('assert');
 
 const PerMessageDeflate = require('../lib/permessage-deflate');
 const extension = require('../lib/extension');
 
-const Buffer = safeBuffer.Buffer;
-
 describe('PerMessageDeflate', function () {
   describe('#offer', function () {
     it('creates an offer', function () {

test/receiver.test.js

@@ -1,6 +1,5 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const assert = require('assert');
 const crypto = require('crypto');
 
@@ -10,7 +9,6 @@ const Receiver = require('../lib/receiver');
 const Sender = require('../lib/sender');
 
 const kStatusCode = constants.kStatusCode;
-const Buffer = safeBuffer.Buffer;
 
 describe('Receiver', function () {
   it('parses an unmasked text message', function (done) {

test/sender.test.js

@@ -1,13 +1,10 @@
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const assert = require('assert');
 
 const PerMessageDeflate = require('../lib/permessage-deflate');
 const Sender = require('../lib/sender');
 
-const Buffer = safeBuffer.Buffer;
-
 describe('Sender', function () {
   describe('.frame', function () {
     it('does not mutate the input buffer if data is `readOnly`', function () {

test/websocket-server.test.js

@@ -2,7 +2,6 @@
 
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const assert = require('assert');
 const crypto = require('crypto');
 const https = require('https');
@@ -12,8 +11,6 @@ const fs = require('fs');
 
 const WebSocket = require('..');
 
-const Buffer = safeBuffer.Buffer;
-
 describe('WebSocketServer', function () {
   describe('#ctor', function () {
     it('throws an error if no option object is passed', function () {

test/websocket.test.js

@@ -2,7 +2,6 @@
 
 'use strict';
 
-const safeBuffer = require('safe-buffer');
 const assert = require('assert');
 const crypto = require('crypto');
 const https = require('https');
@@ -14,8 +13,6 @@ const os = require('os');
 const constants = require('../lib/constants');
 const WebSocket = require('..');
 
-const Buffer = safeBuffer.Buffer;
-
 class CustomAgent extends http.Agent {
   addRequest () {}
 }