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simple-websocket
Advanced tools
simple-websocket - npm Package Compare versions
Comparing version 1.3.0 to 2.0.0
211
index.js
@@ -5,104 +5,179 @@ /* global Blob */ | ||
| var EventEmitter = require('events').EventEmitter | ||
| var debug = require('debug')('simple-websocket') | ||
| var inherits = require('inherits') | ||
| var isTypedArray = require('is-typedarray') | ||
| var once = require('once') | ||
| var stream = require('stream') | ||
| var toBuffer = require('typedarray-to-buffer') | ||
| var ws = require('ws') // websockets in node - will be empty object in browser | ||
| var RECONNECT_TIMEOUT = 5000 | ||
| var WebSocket = typeof window !== 'undefined' ? window.WebSocket : ws | ||
| inherits(Socket, EventEmitter) | ||
| inherits(Socket, stream.Duplex) | ||
| /** | ||
| * WebSocket. Same API as node core `net.Socket`. Duplex stream. | ||
| * @param {string} url websocket server url | ||
| * @param {Object} opts options to stream.Duplex | ||
| */ | ||
| function Socket (url, opts) { | ||
| if (!(this instanceof Socket)) return new Socket(url, opts) | ||
| EventEmitter.call(this) | ||
| var self = this | ||
| if (!(self instanceof Socket)) return new Socket(url, opts) | ||
| if (!opts) opts = {} | ||
| debug('new websocket %s %o', url, opts) | ||
| this._url = url | ||
| this._reconnect = (opts.reconnect !== undefined) | ||
| ? opts.reconnect | ||
| : RECONNECT_TIMEOUT | ||
| this.ready = false | ||
| opts.allowHalfOpen = false | ||
| stream.Duplex.call(self, opts) | ||
| this._init() | ||
| } | ||
| self.url = url | ||
| self.connected = false | ||
| self.destroyed = false | ||
| Socket.prototype.send = function (chunk) { | ||
| if (!this._ws || this._ws.readyState !== WebSocket.OPEN) return | ||
| self._buffer = [] | ||
| if (chunk instanceof ArrayBuffer || typeof chunk === 'string' || | ||
| Buffer.isBuffer(chunk) || (typeof Blob !== 'undefined' && chunk instanceof Blob)) { | ||
| this._ws.send(chunk) | ||
| } else if (isTypedArray.strict(chunk)) { | ||
| // TODO: don't send full arraybuffer, respect the "view" on the arraybuffer | ||
| this._ws.send(chunk.buffer) | ||
| } else { | ||
| this._ws.send(JSON.stringify(chunk)) | ||
| } | ||
| self._ws = new WebSocket(self.url) | ||
| self._ws.binaryType = 'arraybuffer' | ||
| self._ws.onopen = self._onOpen.bind(self) | ||
| self._ws.onmessage = self._onMessage.bind(self) | ||
| self._ws.onclose = self._onClose.bind(self) | ||
| self._ws.onerror = self._onError.bind(self) | ||
| self.on('finish', function () { | ||
| if (self.connected) { | ||
| // When stream is finished writing, close socket connection. Half open connections | ||
| // are currently not supported. | ||
| self._destroy() | ||
| } else { | ||
| // If socket is not connected when stream is finished writing, wait until data is | ||
| // flushed to network at "connect" event. | ||
| // TODO: is there a more reliable way to accomplish this? | ||
| self.once('connect', function () { | ||
| setTimeout(function () { | ||
| self._destroy() | ||
| }, 100) | ||
| }) | ||
| } | ||
| }) | ||
| } | ||
| Socket.prototype.destroy = function (onclose) { | ||
| if (onclose) this.once('close', onclose) | ||
| try { | ||
| this._ws.close() | ||
| } catch (err) { | ||
| this._onclose() | ||
| } | ||
| Socket.prototype.send = function (chunk, cb) { | ||
| var self = this | ||
| if (!cb) cb = noop | ||
| self._write(chunk, undefined, cb) | ||
| } | ||
| Socket.prototype._init = function () { | ||
| this._errored = false | ||
| this._ws = new WebSocket(this._url) | ||
| this._ws.binaryType = 'arraybuffer' | ||
| this._ws.onopen = this._onopen.bind(this) | ||
| this._ws.onmessage = this._onmessage.bind(this) | ||
| this._ws.onclose = this._onclose.bind(this) | ||
| this._ws.onerror = once(this._onerror.bind(this)) | ||
| Socket.prototype.destroy = function (onclose) { | ||
| var self = this | ||
| self._destroy(null, onclose) | ||
| } | ||
| Socket.prototype._onopen = function () { | ||
| this.ready = true | ||
| this.emit('ready') | ||
| Socket.prototype._destroy = function (err, onclose) { | ||
| var self = this | ||
| if (self.destroyed) return | ||
| if (onclose) self.once('close', onclose) | ||
| debug('destroy (error: %s)', err && err.message) | ||
| self.connected = false | ||
| self.destroyed = true | ||
| if (self._ws) { | ||
| try { | ||
| self._ws.close() | ||
| } catch (err) {} | ||
| self._ws.onopen = null | ||
| self._ws.onmessage = null | ||
| self._ws.onclose = null | ||
| self._ws.onerror = null | ||
| } | ||
| self._ws = null | ||
| this.readable = this.writable = false | ||
| if (!self._readableState.ended) self.push(null) | ||
| if (!self._writableState.finished) self.end() | ||
| if (err) self.emit('error', err) | ||
| self.emit('close') | ||
| } | ||
| Socket.prototype._onerror = function (err) { | ||
| this._errored = true | ||
| Socket.prototype._read = function () {} | ||
| // On error, close socket... | ||
| this.destroy() | ||
| /** | ||
| * Send text/binary data to the WebSocket server. | ||
| * @param {string|Buffer|TypedArrayView|ArrayBuffer|Blob} chunk | ||
| * @param {string} encoding | ||
| * @param {function} cb | ||
| */ | ||
| Socket.prototype._write = function (chunk, encoding, cb) { | ||
| var self = this | ||
| if (self.destroyed) return cb(new Error('cannot write after socket is destroyed')) | ||
| // ...and try to reconnect after a timeout | ||
| if (this._reconnect) { | ||
| this._timeout = setTimeout(this._init.bind(this), this._reconnect) | ||
| this.emit('warning', err) | ||
| var len = chunk.length || chunk.byteLength || chunk.size | ||
| if (!self.connected) { | ||
| debug('_write before ready: length %d', len) | ||
| self._buffer.push(chunk) | ||
| cb(null) | ||
| return | ||
| } | ||
| debug('_write: length %d', len) | ||
| if (isTypedArray.strict(chunk) || chunk instanceof ArrayBuffer || | ||
| Buffer.isBuffer(chunk) || typeof chunk === 'string' || | ||
| (typeof Blob !== 'undefined' && chunk instanceof Blob)) { | ||
| self._ws.send(chunk) | ||
| } else { | ||
| this.emit('error', err) | ||
| self._ws.send(JSON.stringify(chunk)) | ||
| } | ||
| cb(null) | ||
| } | ||
| Socket.prototype._onmessage = function (event) { | ||
| var message = event.data | ||
| if (message instanceof ArrayBuffer) { | ||
| message = toBuffer(new Uint8Array(message)) | ||
| Socket.prototype._onMessage = function (event) { | ||
| var self = this | ||
| if (self.destroyed) return | ||
| var data = event.data | ||
| debug('on message: length %d', data.byteLength || data.length) | ||
| if (data instanceof ArrayBuffer) { | ||
| data = toBuffer(new Uint8Array(data)) | ||
| self.push(data) | ||
| } else if (Buffer.isBuffer(data)) { | ||
| self.push(data) | ||
| } else { | ||
| try { | ||
| message = JSON.parse(message) | ||
| data = JSON.parse(data) | ||
| } catch (err) {} | ||
| self.emit('data', data) | ||
| } | ||
| this.emit('message', message) | ||
| } | ||
| Socket.prototype._onclose = function () { | ||
| clearTimeout(this._timeout) | ||
| if (this._ws) { | ||
| this._ws.onopen = null | ||
| this._ws.onerror = null | ||
| this._ws.onmessage = null | ||
| this._ws.onclose = null | ||
| } | ||
| this._ws = null | ||
| if (!this._errored) this.emit('close') | ||
| Socket.prototype._onOpen = function () { | ||
| var self = this | ||
| if (self.connected || self.destroyed) return | ||
| self.connected = true | ||
| self._buffer.forEach(function (chunk) { | ||
| self.send(chunk) | ||
| }) | ||
| self._buffer = [] | ||
| debug('connect') | ||
| self.emit('connect') | ||
| } | ||
| Socket.prototype._onClose = function () { | ||
| var self = this | ||
| if (self.destroyed) return | ||
| debug('on close') | ||
| self._destroy() | ||
| } | ||
| Socket.prototype._onError = function (err) { | ||
| var self = this | ||
| if (self.destroyed) return | ||
| debug('error %s', err.message || err) | ||
| self._destroy(err) | ||
| } | ||
| function noop () {} |
| { | ||
| "name": "simple-websocket", | ||
| "description": "Simple, EventEmitter API for WebSockets (browser)", | ||
| "version": "1.3.0", | ||
| "version": "2.0.0", | ||
| "author": { | ||
@@ -17,5 +17,5 @@ "name": "Feross Aboukhadijeh", | ||
| "dependencies": { | ||
| "debug": "^2.1.3", | ||
| "inherits": "^2.0.1", | ||
| "is-typedarray": "0.0.0", | ||
| "once": "^1.3.0", | ||
| "typedarray-to-buffer": "^3.0.1", | ||
@@ -27,3 +27,3 @@ "ws": "^0.7.1" | ||
| "standard": "^3.3.2", | ||
| "tape": "^3.0.3", | ||
| "tape": "^4.0.0", | ||
| "uglify-js": "^2.4.15", | ||
@@ -30,0 +30,0 @@ "zuul": "^2.1.1" |
@@ -1,1 +0,2 @@ | ||
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n=t.charCodeAt(t.length-1);if(!(n>=55296&&56319>=n)){if(this.charReceived=this.charLength=0,0===e.length)return t;break}this.charLength+=this.surrogateSize,t=""}this.detectIncompleteChar(e);var i=e.length;this.charLength&&(e.copy(this.charBuffer,0,e.length-this.charReceived,i),i-=this.charReceived),t+=e.toString(this.encoding,0,i);var i=t.length-1,n=t.charCodeAt(i);if(n>=55296&&56319>=n){var o=this.surrogateSize;return this.charLength+=o,this.charReceived+=o,this.charBuffer.copy(this.charBuffer,o,0,o),e.copy(this.charBuffer,0,0,o),t.substring(0,i)}return t},f.prototype.detectIncompleteChar=function(e){for(var t=e.length>=3?3:e.length;t>0;t--){var r=e[e.length-t];if(1==t&&r>>5==6){this.charLength=2;break}if(2>=t&&r>>4==14){this.charLength=3;break}if(3>=t&&r>>3==30){this.charLength=4;break}}this.charReceived=t},f.prototype.end=function(e){var t="";if(e&&e.length&&(t=this.write(e)),this.charReceived){var r=this.charReceived,n=this.charBuffer,i=this.encoding;t+=n.slice(0,r).toString(i)}return t}},{buffer:2}],22:[function(e,t,r){function n(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}function i(){var e=arguments,t=this.useColors;if(e[0]=(t?"%c":"")+this.namespace+(t?" %c":" ")+e[0]+(t?"%c ":" ")+"+"+r.humanize(this.diff),!t)return e;var n="color: "+this.color;e=[e[0],n,"color: inherit"].concat(Array.prototype.slice.call(e,1));var i=0,o=0;return e[0].replace(/%[a-z%]/g,function(e){"%%"!==e&&(i++,"%c"===e&&(o=i))}),e.splice(o,0,n),e}function o(){return"object"==typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function s(e){try{null==e?f.removeItem("debug"):f.debug=e}catch(t){}}function a(){var e;try{e=f.debug}catch(t){}return e}function u(){try{return 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u=i.log||r.log||console.log.bind(console);u.apply(e,s)}t.enabled=!1,i.enabled=!0;var o=r.enabled(e)?i:t;return o.namespace=e,o}function o(e){r.save(e);for(var t=(e||"").split(/[\s,]+/),n=t.length,i=0;n>i;i++)t[i]&&(e=t[i].replace(/\*/g,".*?"),"-"===e[0]?r.skips.push(new RegExp("^"+e.substr(1)+"$")):r.names.push(new RegExp("^"+e+"$")))}function s(){r.enable("")}function a(e){var t,n;for(t=0,n=r.skips.length;n>t;t++)if(r.skips[t].test(e))return!1;for(t=0,n=r.names.length;n>t;t++)if(r.names[t].test(e))return!0;return!1}function u(e){return e instanceof Error?e.stack||e.message:e}r=t.exports=i,r.coerce=u,r.disable=s,r.enable=o,r.enabled=a,r.humanize=e("ms"),r.names=[],r.skips=[],r.formatters={};var f,h=0},{ms:24}],24:[function(e,t,r){function n(e){var t=/^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(e);if(t){var 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n(null)):(o("_write before ready: length %d",s),i._buffer.push(e),void n(null))},n.prototype._onMessage=function(e){var t=this;if(!t.destroyed){var n=e.data;if(o("on message: length %d",n.byteLength||n.length),n instanceof ArrayBuffer)n=f(new Uint8Array(n)),t.push(n);else if(r.isBuffer(n))t.push(n);else{try{n=JSON.parse(n)}catch(i){}t.emit("data",n)}}},n.prototype._onOpen=function(){var e=this;e.connected||e.destroyed||(e.connected=!0,e._buffer.forEach(function(t){e.send(t)}),e._buffer=[],o("connect"),e.emit("connect"))},n.prototype._onClose=function(){var e=this;e.destroyed||(o("on close"),e._destroy())},n.prototype._onError=function(e){var t=this;t.destroyed||(o("error %s",e.message||e),t._destroy(e))}}).call(this,e("buffer").Buffer)},{buffer:2,debug:22,inherits:25,"is-typedarray":26,stream:20,"typedarray-to-buffer":27,ws:1}]},{},[])("/")}); |
@@ -10,6 +10,6 @@ var Socket = require('../') | ||
| var socket = new Socket(SOCKET_SERVER) | ||
| socket.on('ready', function () { | ||
| t.pass('ready emitted') | ||
| socket.on('connect', function () { | ||
| t.pass('connect emitted') | ||
| socket.send('sup!') | ||
| socket.on('message', function (data) { | ||
| socket.on('data', function (data) { | ||
| t.equal(data, 'sup!') | ||
@@ -28,8 +28,8 @@ | ||
| var socket = new Socket(SOCKET_SERVER) | ||
| socket.on('ready', function () { | ||
| t.pass('ready emitted') | ||
| socket.on('connect', function () { | ||
| t.pass('connect emitted') | ||
| socket.send(new Uint8Array([1, 2, 3])) | ||
| socket.on('message', function (data) { | ||
| socket.on('data', function (data) { | ||
| t.ok(Buffer.isBuffer(data), 'data is Buffer') | ||
| t.deepEqual(data, new Buffer([1, 2, 3]), 'got correct message') | ||
| t.deepEqual(data, new Buffer([1, 2, 3]), 'got correct data') | ||
@@ -47,8 +47,8 @@ socket.destroy(function () { | ||
| var socket = new Socket(SOCKET_SERVER) | ||
| socket.on('ready', function () { | ||
| t.pass('ready emitted') | ||
| socket.on('connect', function () { | ||
| t.pass('connect emitted') | ||
| socket.send(new Buffer([1, 2, 3])) | ||
| socket.on('message', function (data) { | ||
| socket.on('data', function (data) { | ||
| t.ok(Buffer.isBuffer(data), 'data is Buffer') | ||
| t.deepEqual(data, new Buffer([1, 2, 3]), 'got correct message') | ||
| t.deepEqual(data, new Buffer([1, 2, 3]), 'got correct data') | ||
@@ -66,8 +66,8 @@ socket.destroy(function () { | ||
| var socket = new Socket(SOCKET_SERVER) | ||
| socket.on('ready', function () { | ||
| t.pass('ready emitted') | ||
| socket.on('connect', function () { | ||
| t.pass('connect emitted') | ||
| socket.send(new Uint8Array([1, 2, 3]).buffer) | ||
| socket.on('message', function (data) { | ||
| socket.on('data', function (data) { | ||
| t.ok(Buffer.isBuffer(data), 'data is Buffer') | ||
| t.deepEqual(data, new Buffer([1, 2, 3]), 'got correct message') | ||
| t.deepEqual(data, new Buffer([1, 2, 3]), 'got correct data') | ||
@@ -74,0 +74,0 @@ socket.destroy(function () { |
New alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Major refactor
Supply chain riskPackage has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.
Found 1 instance in 1 package
Fixed alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Major refactor
Supply chain riskPackage has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.
Found 1 instance in 1 package
Improved metrics
- Total package byte prevSize
- increased by76.04%
67834
- Number of package files
- increased by12.5%
9
- Lines of code
- increased by148.34%
375
Dependency changes
+ Addeddebug@^2.1.3
+ Addeddebug@2.6.9(transitive)
+ Addedms@2.0.0(transitive)
- Removedonce@^1.3.0
- Removedonce@1.4.0(transitive)
- Removedwrappy@1.0.2(transitive)