diff --git a/plugins/google-device-access/.npmignore b/plugins/google-device-access/.npmignore index ff2824293..c6e2038e9 100644 --- a/plugins/google-device-access/.npmignore +++ b/plugins/google-device-access/.npmignore @@ -6,3 +6,7 @@ fs src .vscode dist/*.js +dist/*.txt +HAP-NodeJS +.gitmodules +pubsub-server diff --git a/plugins/google-device-access/docs/cast.html b/plugins/google-device-access/docs/cast.html deleted file mode 100644 index 6835afbd9..000000000 --- a/plugins/google-device-access/docs/cast.html +++ /dev/null @@ -1,12 +0,0 @@ - - - - - - - - - - diff --git a/plugins/google-device-access/docs/cast.js b/plugins/google-device-access/docs/cast.js deleted file mode 100644 index 31a49be15..000000000 --- a/plugins/google-device-access/docs/cast.js +++ /dev/null @@ -1,75 +0,0 @@ - -async function sleep(ms) { - await new Promise((resolve) => setTimeout(resolve, ms)); -} - -document.addEventListener("DOMContentLoaded", function (event) { - const options = new cast.framework.CastReceiverOptions(); - options.disableIdleTimeout = true; - - cast.framework.CastReceiverContext.getInstance().start(options); - - const context = cast.framework.CastReceiverContext.getInstance(); - const playerManager = context.getPlayerManager(); - - // intercept the LOAD request to be able to read in a contentId and get data - playerManager.setMessageInterceptor(cast.framework.messages.MessageType.LOAD, loadRequestData => { - console.log(loadRequestData); - - const cameraUrl = loadRequestData.media.entity || loadRequestData.media.contentId; - const eioUrl = loadRequestData.credentials ?? loadRequestData.media.customData.eioUrl; - const url = new URL(eioUrl) - const endpointPath = url.pathname + url.search; - - const options = { - path: endpointPath, - }; - - const socket = eio(`wss://${url.host}`, options); - socket.on('open', () => { - socket.send(cameraUrl); - - const video = document.getElementById('media'); - - socket.on('message', async (data) => { - const json = JSON.parse(data); - const answerObject = { - id: json.id, - candidates: [], - }; - - const pc = new RTCPeerConnection(json.configuration); - const checkConn = () => { - pc.onconnectionstatechange = () => console.log(pc.connectionState); - if (pc.iceConnectionState === 'failed' || pc.connectionState === 'failed') { - window.close(); - } - } - - pc.onconnectionstatechange = checkConn; - pc.onsignalingstatechange = checkConn; - pc.ontrack = () => { - const mediaStream = new MediaStream( - pc.getReceivers().map((receiver) => receiver.track) - ); - video.srcObject = mediaStream; - const remoteAudio = document.createElement("audio"); - remoteAudio.srcObject = mediaStream; - remoteAudio.play(); - }; - pc.onicecandidate = async (evt) => { - answerObject.candidates.push(evt.candidate); - }; - await pc.setRemoteDescription(json.description); - const answer = await pc.createAnswer(); - await pc.setLocalDescription(answer); - answerObject.description = answer; - await sleep(2000); - socket.send(JSON.stringify(answerObject)); - }) - - }); - - return null; - }); -}); diff --git a/plugins/google-device-access/docs/engine.io.js b/plugins/google-device-access/docs/engine.io.js deleted file mode 100644 index 1a3e81dad..000000000 --- a/plugins/google-device-access/docs/engine.io.js +++ /dev/null @@ -1,4698 +0,0 @@ -(function webpackUniversalModuleDefinition(root, factory) { - if(typeof exports === 'object' && typeof module === 'object') - module.exports = factory(); - else if(typeof define === 'function' && define.amd) - define([], factory); - else if(typeof exports === 'object') - exports["eio"] = factory(); - else - root["eio"] = factory(); -})(this, function() { -return /******/ (function(modules) { // webpackBootstrap -/******/ // The module cache -/******/ var installedModules = {}; - -/******/ // The require function -/******/ function __webpack_require__(moduleId) { - -/******/ // Check if module is in cache -/******/ if(installedModules[moduleId]) -/******/ return installedModules[moduleId].exports; - -/******/ // Create a new module (and put it into the cache) -/******/ var module = installedModules[moduleId] = { -/******/ exports: {}, -/******/ id: moduleId, -/******/ loaded: false -/******/ }; - -/******/ // Execute the module function -/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); - -/******/ // Flag the module as loaded -/******/ module.loaded = true; - -/******/ // Return the exports of the module -/******/ return module.exports; -/******/ } - - -/******/ // expose the modules object (__webpack_modules__) -/******/ __webpack_require__.m = modules; - -/******/ // expose the module cache -/******/ __webpack_require__.c = installedModules; - -/******/ // __webpack_public_path__ -/******/ __webpack_require__.p = ""; - -/******/ // Load entry module and return exports -/******/ return __webpack_require__(0); -/******/ }) -/************************************************************************/ -/******/ ([ -/* 0 */ -/***/ function(module, exports, __webpack_require__) { - - - module.exports = __webpack_require__(1); - - /** - * Exports parser - * - * @api public - * - */ - module.exports.parser = __webpack_require__(9); - - -/***/ }, -/* 1 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * Module dependencies. - */ - - var transports = __webpack_require__(2); - var Emitter = __webpack_require__(18); - var debug = __webpack_require__(22)('engine.io-client:socket'); - var index = __webpack_require__(29); - var parser = __webpack_require__(9); - var parseuri = __webpack_require__(30); - var parseqs = __webpack_require__(19); - - /** - * Module exports. - */ - - module.exports = Socket; - - /** - * Socket constructor. - * - * @param {String|Object} uri or options - * @param {Object} options - * @api public - */ - - function Socket (uri, opts) { - if (!(this instanceof Socket)) return new Socket(uri, opts); - - opts = opts || {}; - - if (uri && 'object' === typeof uri) { - opts = uri; - uri = null; - } - - if (uri) { - uri = parseuri(uri); - opts.hostname = uri.host; - opts.secure = uri.protocol === 'https' || uri.protocol === 'wss'; - opts.port = uri.port; - if (uri.query) opts.query = uri.query; - } else if (opts.host) { - opts.hostname = parseuri(opts.host).host; - } - - this.secure = null != opts.secure ? opts.secure - : (typeof location !== 'undefined' && 'https:' === location.protocol); - - if (opts.hostname && !opts.port) { - // if no port is specified manually, use the protocol default - opts.port = this.secure ? '443' : '80'; - } - - this.agent = opts.agent || false; - this.hostname = opts.hostname || - (typeof location !== 'undefined' ? location.hostname : 'localhost'); - this.port = opts.port || (typeof location !== 'undefined' && location.port - ? location.port - : (this.secure ? 443 : 80)); - this.query = opts.query || {}; - if ('string' === typeof this.query) this.query = parseqs.decode(this.query); - this.upgrade = false !== opts.upgrade; - this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/'; - this.forceJSONP = !!opts.forceJSONP; - this.jsonp = false !== opts.jsonp; - this.forceBase64 = !!opts.forceBase64; - this.enablesXDR = !!opts.enablesXDR; - this.withCredentials = false !== opts.withCredentials; - this.timestampParam = opts.timestampParam || 't'; - this.timestampRequests = opts.timestampRequests; - this.transports = opts.transports || ['polling', 'websocket']; - this.transportOptions = opts.transportOptions || {}; - this.readyState = ''; - this.writeBuffer = []; - this.prevBufferLen = 0; - this.policyPort = opts.policyPort || 843; - this.rememberUpgrade = opts.rememberUpgrade || false; - this.binaryType = null; - this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades; - this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false; - - if (true === this.perMessageDeflate) this.perMessageDeflate = {}; - if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) { - this.perMessageDeflate.threshold = 1024; - } - - // SSL options for Node.js client - this.pfx = opts.pfx || undefined; - this.key = opts.key || undefined; - this.passphrase = opts.passphrase || undefined; - this.cert = opts.cert || undefined; - this.ca = opts.ca || undefined; - this.ciphers = opts.ciphers || undefined; - this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized; - this.forceNode = !!opts.forceNode; - - // detect ReactNative environment - this.isReactNative = (typeof navigator !== 'undefined' && typeof navigator.product === 'string' && navigator.product.toLowerCase() === 'reactnative'); - - // other options for Node.js or ReactNative client - if (typeof self === 'undefined' || this.isReactNative) { - if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) { - this.extraHeaders = opts.extraHeaders; - } - - if (opts.localAddress) { - this.localAddress = opts.localAddress; - } - } - - // set on handshake - this.id = null; - this.upgrades = null; - this.pingInterval = null; - this.pingTimeout = null; - - // set on heartbeat - this.pingIntervalTimer = null; - this.pingTimeoutTimer = null; - - this.open(); - } - - Socket.priorWebsocketSuccess = false; - - /** - * Mix in `Emitter`. - */ - - Emitter(Socket.prototype); - - /** - * Protocol version. - * - * @api public - */ - - Socket.protocol = parser.protocol; // this is an int - - /** - * Expose deps for legacy compatibility - * and standalone browser access. - */ - - Socket.Socket = Socket; - Socket.Transport = __webpack_require__(8); - Socket.transports = __webpack_require__(2); - Socket.parser = __webpack_require__(9); - - /** - * Creates transport of the given type. - * - * @param {String} transport name - * @return {Transport} - * @api private - */ - - Socket.prototype.createTransport = function (name) { - debug('creating transport "%s"', name); - var query = clone(this.query); - - // append engine.io protocol identifier - query.EIO = parser.protocol; - - // transport name - query.transport = name; - - // per-transport options - var options = this.transportOptions[name] || {}; - - // session id if we already have one - if (this.id) query.sid = this.id; - - var transport = new transports[name]({ - query: query, - socket: this, - agent: options.agent || this.agent, - hostname: options.hostname || this.hostname, - port: options.port || this.port, - secure: options.secure || this.secure, - path: options.path || this.path, - forceJSONP: options.forceJSONP || this.forceJSONP, - jsonp: options.jsonp || this.jsonp, - forceBase64: options.forceBase64 || this.forceBase64, - enablesXDR: options.enablesXDR || this.enablesXDR, - withCredentials: options.withCredentials || this.withCredentials, - timestampRequests: options.timestampRequests || this.timestampRequests, - timestampParam: options.timestampParam || this.timestampParam, - policyPort: options.policyPort || this.policyPort, - pfx: options.pfx || this.pfx, - key: options.key || this.key, - passphrase: options.passphrase || this.passphrase, - cert: options.cert || this.cert, - ca: options.ca || this.ca, - ciphers: options.ciphers || this.ciphers, - rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized, - perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate, - extraHeaders: options.extraHeaders || this.extraHeaders, - forceNode: options.forceNode || this.forceNode, - localAddress: options.localAddress || this.localAddress, - requestTimeout: options.requestTimeout || this.requestTimeout, - protocols: options.protocols || void (0), - isReactNative: this.isReactNative - }); - - return transport; - }; - - function clone (obj) { - var o = {}; - for (var i in obj) { - if (obj.hasOwnProperty(i)) { - o[i] = obj[i]; - } - } - return o; - } - - /** - * Initializes transport to use and starts probe. - * - * @api private - */ - Socket.prototype.open = function () { - var transport; - if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) { - transport = 'websocket'; - } else if (0 === this.transports.length) { - // Emit error on next tick so it can be listened to - var self = this; - setTimeout(function () { - self.emit('error', 'No transports available'); - }, 0); - return; - } else { - transport = this.transports[0]; - } - this.readyState = 'opening'; - - // Retry with the next transport if the transport is disabled (jsonp: false) - try { - transport = this.createTransport(transport); - } catch (e) { - this.transports.shift(); - this.open(); - return; - } - - transport.open(); - this.setTransport(transport); - }; - - /** - * Sets the current transport. Disables the existing one (if any). - * - * @api private - */ - - Socket.prototype.setTransport = function (transport) { - debug('setting transport %s', transport.name); - var self = this; - - if (this.transport) { - debug('clearing existing transport %s', this.transport.name); - this.transport.removeAllListeners(); - } - - // set up transport - this.transport = transport; - - // set up transport listeners - transport - .on('drain', function () { - self.onDrain(); - }) - .on('packet', function (packet) { - self.onPacket(packet); - }) - .on('error', function (e) { - self.onError(e); - }) - .on('close', function () { - self.onClose('transport close'); - }); - }; - - /** - * Probes a transport. - * - * @param {String} transport name - * @api private - */ - - Socket.prototype.probe = function (name) { - debug('probing transport "%s"', name); - var transport = this.createTransport(name, { probe: 1 }); - var failed = false; - var self = this; - - Socket.priorWebsocketSuccess = false; - - function onTransportOpen () { - if (self.onlyBinaryUpgrades) { - var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary; - failed = failed || upgradeLosesBinary; - } - if (failed) return; - - debug('probe transport "%s" opened', name); - transport.send([{ type: 'ping', data: 'probe' }]); - transport.once('packet', function (msg) { - if (failed) return; - if ('pong' === msg.type && 'probe' === msg.data) { - debug('probe transport "%s" pong', name); - self.upgrading = true; - self.emit('upgrading', transport); - if (!transport) return; - Socket.priorWebsocketSuccess = 'websocket' === transport.name; - - debug('pausing current transport "%s"', self.transport.name); - self.transport.pause(function () { - if (failed) return; - if ('closed' === self.readyState) return; - debug('changing transport and sending upgrade packet'); - - cleanup(); - - self.setTransport(transport); - transport.send([{ type: 'upgrade' }]); - self.emit('upgrade', transport); - transport = null; - self.upgrading = false; - self.flush(); - }); - } else { - debug('probe transport "%s" failed', name); - var err = new Error('probe error'); - err.transport = transport.name; - self.emit('upgradeError', err); - } - }); - } - - function freezeTransport () { - if (failed) return; - - // Any callback called by transport should be ignored since now - failed = true; - - cleanup(); - - transport.close(); - transport = null; - } - - // Handle any error that happens while probing - function onerror (err) { - var error = new Error('probe error: ' + err); - error.transport = transport.name; - - freezeTransport(); - - debug('probe transport "%s" failed because of error: %s', name, err); - - self.emit('upgradeError', error); - } - - function onTransportClose () { - onerror('transport closed'); - } - - // When the socket is closed while we're probing - function onclose () { - onerror('socket closed'); - } - - // When the socket is upgraded while we're probing - function onupgrade (to) { - if (transport && to.name !== transport.name) { - debug('"%s" works - aborting "%s"', to.name, transport.name); - freezeTransport(); - } - } - - // Remove all listeners on the transport and on self - function cleanup () { - transport.removeListener('open', onTransportOpen); - transport.removeListener('error', onerror); - transport.removeListener('close', onTransportClose); - self.removeListener('close', onclose); - self.removeListener('upgrading', onupgrade); - } - - transport.once('open', onTransportOpen); - transport.once('error', onerror); - transport.once('close', onTransportClose); - - this.once('close', onclose); - this.once('upgrading', onupgrade); - - transport.open(); - }; - - /** - * Called when connection is deemed open. - * - * @api public - */ - - Socket.prototype.onOpen = function () { - debug('socket open'); - this.readyState = 'open'; - Socket.priorWebsocketSuccess = 'websocket' === this.transport.name; - this.emit('open'); - this.flush(); - - // we check for `readyState` in case an `open` - // listener already closed the socket - if ('open' === this.readyState && this.upgrade && this.transport.pause) { - debug('starting upgrade probes'); - for (var i = 0, l = this.upgrades.length; i < l; i++) { - this.probe(this.upgrades[i]); - } - } - }; - - /** - * Handles a packet. - * - * @api private - */ - - Socket.prototype.onPacket = function (packet) { - if ('opening' === this.readyState || 'open' === this.readyState || - 'closing' === this.readyState) { - debug('socket receive: type "%s", data "%s"', packet.type, packet.data); - - this.emit('packet', packet); - - // Socket is live - any packet counts - this.emit('heartbeat'); - - switch (packet.type) { - case 'open': - this.onHandshake(JSON.parse(packet.data)); - break; - - case 'pong': - this.setPing(); - this.emit('pong'); - break; - - case 'error': - var err = new Error('server error'); - err.code = packet.data; - this.onError(err); - break; - - case 'message': - this.emit('data', packet.data); - this.emit('message', packet.data); - break; - } - } else { - debug('packet received with socket readyState "%s"', this.readyState); - } - }; - - /** - * Called upon handshake completion. - * - * @param {Object} handshake obj - * @api private - */ - - Socket.prototype.onHandshake = function (data) { - this.emit('handshake', data); - this.id = data.sid; - this.transport.query.sid = data.sid; - this.upgrades = this.filterUpgrades(data.upgrades); - this.pingInterval = data.pingInterval; - this.pingTimeout = data.pingTimeout; - this.onOpen(); - // In case open handler closes socket - if ('closed' === this.readyState) return; - this.setPing(); - - // Prolong liveness of socket on heartbeat - this.removeListener('heartbeat', this.onHeartbeat); - this.on('heartbeat', this.onHeartbeat); - }; - - /** - * Resets ping timeout. - * - * @api private - */ - - Socket.prototype.onHeartbeat = function (timeout) { - clearTimeout(this.pingTimeoutTimer); - var self = this; - self.pingTimeoutTimer = setTimeout(function () { - if ('closed' === self.readyState) return; - self.onClose('ping timeout'); - }, timeout || (self.pingInterval + self.pingTimeout)); - }; - - /** - * Pings server every `this.pingInterval` and expects response - * within `this.pingTimeout` or closes connection. - * - * @api private - */ - - Socket.prototype.setPing = function () { - var self = this; - clearTimeout(self.pingIntervalTimer); - self.pingIntervalTimer = setTimeout(function () { - debug('writing ping packet - expecting pong within %sms', self.pingTimeout); - self.ping(); - self.onHeartbeat(self.pingTimeout); - }, self.pingInterval); - }; - - /** - * Sends a ping packet. - * - * @api private - */ - - Socket.prototype.ping = function () { - var self = this; - this.sendPacket('ping', function () { - self.emit('ping'); - }); - }; - - /** - * Called on `drain` event - * - * @api private - */ - - Socket.prototype.onDrain = function () { - this.writeBuffer.splice(0, this.prevBufferLen); - - // setting prevBufferLen = 0 is very important - // for example, when upgrading, upgrade packet is sent over, - // and a nonzero prevBufferLen could cause problems on `drain` - this.prevBufferLen = 0; - - if (0 === this.writeBuffer.length) { - this.emit('drain'); - } else { - this.flush(); - } - }; - - /** - * Flush write buffers. - * - * @api private - */ - - Socket.prototype.flush = function () { - if ('closed' !== this.readyState && this.transport.writable && - !this.upgrading && this.writeBuffer.length) { - debug('flushing %d packets in socket', this.writeBuffer.length); - this.transport.send(this.writeBuffer); - // keep track of current length of writeBuffer - // splice writeBuffer and callbackBuffer on `drain` - this.prevBufferLen = this.writeBuffer.length; - this.emit('flush'); - } - }; - - /** - * Sends a message. - * - * @param {String} message. - * @param {Function} callback function. - * @param {Object} options. - * @return {Socket} for chaining. - * @api public - */ - - Socket.prototype.write = - Socket.prototype.send = function (msg, options, fn) { - this.sendPacket('message', msg, options, fn); - return this; - }; - - /** - * Sends a packet. - * - * @param {String} packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} callback function. - * @api private - */ - - Socket.prototype.sendPacket = function (type, data, options, fn) { - if ('function' === typeof data) { - fn = data; - data = undefined; - } - - if ('function' === typeof options) { - fn = options; - options = null; - } - - if ('closing' === this.readyState || 'closed' === this.readyState) { - return; - } - - options = options || {}; - options.compress = false !== options.compress; - - var packet = { - type: type, - data: data, - options: options - }; - this.emit('packetCreate', packet); - this.writeBuffer.push(packet); - if (fn) this.once('flush', fn); - this.flush(); - }; - - /** - * Closes the connection. - * - * @api private - */ - - Socket.prototype.close = function () { - if ('opening' === this.readyState || 'open' === this.readyState) { - this.readyState = 'closing'; - - var self = this; - - if (this.writeBuffer.length) { - this.once('drain', function () { - if (this.upgrading) { - waitForUpgrade(); - } else { - close(); - } - }); - } else if (this.upgrading) { - waitForUpgrade(); - } else { - close(); - } - } - - function close () { - self.onClose('forced close'); - debug('socket closing - telling transport to close'); - self.transport.close(); - } - - function cleanupAndClose () { - self.removeListener('upgrade', cleanupAndClose); - self.removeListener('upgradeError', cleanupAndClose); - close(); - } - - function waitForUpgrade () { - // wait for upgrade to finish since we can't send packets while pausing a transport - self.once('upgrade', cleanupAndClose); - self.once('upgradeError', cleanupAndClose); - } - - return this; - }; - - /** - * Called upon transport error - * - * @api private - */ - - Socket.prototype.onError = function (err) { - debug('socket error %j', err); - Socket.priorWebsocketSuccess = false; - this.emit('error', err); - this.onClose('transport error', err); - }; - - /** - * Called upon transport close. - * - * @api private - */ - - Socket.prototype.onClose = function (reason, desc) { - if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) { - debug('socket close with reason: "%s"', reason); - var self = this; - - // clear timers - clearTimeout(this.pingIntervalTimer); - clearTimeout(this.pingTimeoutTimer); - - // stop event from firing again for transport - this.transport.removeAllListeners('close'); - - // ensure transport won't stay open - this.transport.close(); - - // ignore further transport communication - this.transport.removeAllListeners(); - - // set ready state - this.readyState = 'closed'; - - // clear session id - this.id = null; - - // emit close event - this.emit('close', reason, desc); - - // clean buffers after, so users can still - // grab the buffers on `close` event - self.writeBuffer = []; - self.prevBufferLen = 0; - } - }; - - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} server upgrades - * @api private - * - */ - - Socket.prototype.filterUpgrades = function (upgrades) { - var filteredUpgrades = []; - for (var i = 0, j = upgrades.length; i < j; i++) { - if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]); - } - return filteredUpgrades; - }; - - -/***/ }, -/* 2 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * Module dependencies - */ - - var XMLHttpRequest = __webpack_require__(3); - var XHR = __webpack_require__(6); - var JSONP = __webpack_require__(26); - var websocket = __webpack_require__(27); - - /** - * Export transports. - */ - - exports.polling = polling; - exports.websocket = websocket; - - /** - * Polling transport polymorphic constructor. - * Decides on xhr vs jsonp based on feature detection. - * - * @api private - */ - - function polling (opts) { - var xhr; - var xd = false; - var xs = false; - var jsonp = false !== opts.jsonp; - - if (typeof location !== 'undefined') { - var isSSL = 'https:' === location.protocol; - var port = location.port; - - // some user agents have empty `location.port` - if (!port) { - port = isSSL ? 443 : 80; - } - - xd = opts.hostname !== location.hostname || port !== opts.port; - xs = opts.secure !== isSSL; - } - - opts.xdomain = xd; - opts.xscheme = xs; - xhr = new XMLHttpRequest(opts); - - if ('open' in xhr && !opts.forceJSONP) { - return new XHR(opts); - } else { - if (!jsonp) throw new Error('JSONP disabled'); - return new JSONP(opts); - } - } - - -/***/ }, -/* 3 */ -/***/ function(module, exports, __webpack_require__) { - - // browser shim for xmlhttprequest module - - var hasCORS = __webpack_require__(4); - var globalThis = __webpack_require__(5); - - module.exports = function (opts) { - var xdomain = opts.xdomain; - - // scheme must be same when usign XDomainRequest - // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx - var xscheme = opts.xscheme; - - // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default. - // https://github.com/Automattic/engine.io-client/pull/217 - var enablesXDR = opts.enablesXDR; - - // XMLHttpRequest can be disabled on IE - try { - if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { - return new XMLHttpRequest(); - } - } catch (e) { } - - // Use XDomainRequest for IE8 if enablesXDR is true - // because loading bar keeps flashing when using jsonp-polling - // https://github.com/yujiosaka/socke.io-ie8-loading-example - try { - if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) { - return new XDomainRequest(); - } - } catch (e) { } - - if (!xdomain) { - try { - return new globalThis[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP'); - } catch (e) { } - } - }; - - -/***/ }, -/* 4 */ -/***/ function(module, exports) { - - - /** - * Module exports. - * - * Logic borrowed from Modernizr: - * - * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js - */ - - try { - module.exports = typeof XMLHttpRequest !== 'undefined' && - 'withCredentials' in new XMLHttpRequest(); - } catch (err) { - // if XMLHttp support is disabled in IE then it will throw - // when trying to create - module.exports = false; - } - - -/***/ }, -/* 5 */ -/***/ function(module, exports) { - - module.exports = (function () { - if (typeof self !== 'undefined') { - return self; - } else if (typeof window !== 'undefined') { - return window; - } else { - return Function('return this')(); // eslint-disable-line no-new-func - } - })(); - - -/***/ }, -/* 6 */ -/***/ function(module, exports, __webpack_require__) { - - /* global attachEvent */ - - /** - * Module requirements. - */ - - var XMLHttpRequest = __webpack_require__(3); - var Polling = __webpack_require__(7); - var Emitter = __webpack_require__(18); - var inherit = __webpack_require__(20); - var debug = __webpack_require__(22)('engine.io-client:polling-xhr'); - var globalThis = __webpack_require__(5); - - /** - * Module exports. - */ - - module.exports = XHR; - module.exports.Request = Request; - - /** - * Empty function - */ - - function empty () {} - - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @api public - */ - - function XHR (opts) { - Polling.call(this, opts); - this.requestTimeout = opts.requestTimeout; - this.extraHeaders = opts.extraHeaders; - - if (typeof location !== 'undefined') { - var isSSL = 'https:' === location.protocol; - var port = location.port; - - // some user agents have empty `location.port` - if (!port) { - port = isSSL ? 443 : 80; - } - - this.xd = (typeof location !== 'undefined' && opts.hostname !== location.hostname) || - port !== opts.port; - this.xs = opts.secure !== isSSL; - } - } - - /** - * Inherits from Polling. - */ - - inherit(XHR, Polling); - - /** - * XHR supports binary - */ - - XHR.prototype.supportsBinary = true; - - /** - * Creates a request. - * - * @param {String} method - * @api private - */ - - XHR.prototype.request = function (opts) { - opts = opts || {}; - opts.uri = this.uri(); - opts.xd = this.xd; - opts.xs = this.xs; - opts.agent = this.agent || false; - opts.supportsBinary = this.supportsBinary; - opts.enablesXDR = this.enablesXDR; - opts.withCredentials = this.withCredentials; - - // SSL options for Node.js client - opts.pfx = this.pfx; - opts.key = this.key; - opts.passphrase = this.passphrase; - opts.cert = this.cert; - opts.ca = this.ca; - opts.ciphers = this.ciphers; - opts.rejectUnauthorized = this.rejectUnauthorized; - opts.requestTimeout = this.requestTimeout; - - // other options for Node.js client - opts.extraHeaders = this.extraHeaders; - - return new Request(opts); - }; - - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @api private - */ - - XHR.prototype.doWrite = function (data, fn) { - var isBinary = typeof data !== 'string' && data !== undefined; - var req = this.request({ method: 'POST', data: data, isBinary: isBinary }); - var self = this; - req.on('success', fn); - req.on('error', function (err) { - self.onError('xhr post error', err); - }); - this.sendXhr = req; - }; - - /** - * Starts a poll cycle. - * - * @api private - */ - - XHR.prototype.doPoll = function () { - debug('xhr poll'); - var req = this.request(); - var self = this; - req.on('data', function (data) { - self.onData(data); - }); - req.on('error', function (err) { - self.onError('xhr poll error', err); - }); - this.pollXhr = req; - }; - - /** - * Request constructor - * - * @param {Object} options - * @api public - */ - - function Request (opts) { - this.method = opts.method || 'GET'; - this.uri = opts.uri; - this.xd = !!opts.xd; - this.xs = !!opts.xs; - this.async = false !== opts.async; - this.data = undefined !== opts.data ? opts.data : null; - this.agent = opts.agent; - this.isBinary = opts.isBinary; - this.supportsBinary = opts.supportsBinary; - this.enablesXDR = opts.enablesXDR; - this.withCredentials = opts.withCredentials; - this.requestTimeout = opts.requestTimeout; - - // SSL options for Node.js client - this.pfx = opts.pfx; - this.key = opts.key; - this.passphrase = opts.passphrase; - this.cert = opts.cert; - this.ca = opts.ca; - this.ciphers = opts.ciphers; - this.rejectUnauthorized = opts.rejectUnauthorized; - - // other options for Node.js client - this.extraHeaders = opts.extraHeaders; - - this.create(); - } - - /** - * Mix in `Emitter`. - */ - - Emitter(Request.prototype); - - /** - * Creates the XHR object and sends the request. - * - * @api private - */ - - Request.prototype.create = function () { - var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR }; - - // SSL options for Node.js client - opts.pfx = this.pfx; - opts.key = this.key; - opts.passphrase = this.passphrase; - opts.cert = this.cert; - opts.ca = this.ca; - opts.ciphers = this.ciphers; - opts.rejectUnauthorized = this.rejectUnauthorized; - - var xhr = this.xhr = new XMLHttpRequest(opts); - var self = this; - - try { - debug('xhr open %s: %s', this.method, this.uri); - xhr.open(this.method, this.uri, this.async); - try { - if (this.extraHeaders) { - xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); - for (var i in this.extraHeaders) { - if (this.extraHeaders.hasOwnProperty(i)) { - xhr.setRequestHeader(i, this.extraHeaders[i]); - } - } - } - } catch (e) {} - - if ('POST' === this.method) { - try { - if (this.isBinary) { - xhr.setRequestHeader('Content-type', 'application/octet-stream'); - } else { - xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8'); - } - } catch (e) {} - } - - try { - xhr.setRequestHeader('Accept', '*/*'); - } catch (e) {} - - // ie6 check - if ('withCredentials' in xhr) { - xhr.withCredentials = this.withCredentials; - } - - if (this.requestTimeout) { - xhr.timeout = this.requestTimeout; - } - - if (this.hasXDR()) { - xhr.onload = function () { - self.onLoad(); - }; - xhr.onerror = function () { - self.onError(xhr.responseText); - }; - } else { - xhr.onreadystatechange = function () { - if (xhr.readyState === 2) { - try { - var contentType = xhr.getResponseHeader('Content-Type'); - if (self.supportsBinary && contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') { - xhr.responseType = 'arraybuffer'; - } - } catch (e) {} - } - if (4 !== xhr.readyState) return; - if (200 === xhr.status || 1223 === xhr.status) { - self.onLoad(); - } else { - // make sure the `error` event handler that's user-set - // does not throw in the same tick and gets caught here - setTimeout(function () { - self.onError(typeof xhr.status === 'number' ? xhr.status : 0); - }, 0); - } - }; - } - - debug('xhr data %s', this.data); - xhr.send(this.data); - } catch (e) { - // Need to defer since .create() is called directly fhrom the constructor - // and thus the 'error' event can only be only bound *after* this exception - // occurs. Therefore, also, we cannot throw here at all. - setTimeout(function () { - self.onError(e); - }, 0); - return; - } - - if (typeof document !== 'undefined') { - this.index = Request.requestsCount++; - Request.requests[this.index] = this; - } - }; - - /** - * Called upon successful response. - * - * @api private - */ - - Request.prototype.onSuccess = function () { - this.emit('success'); - this.cleanup(); - }; - - /** - * Called if we have data. - * - * @api private - */ - - Request.prototype.onData = function (data) { - this.emit('data', data); - this.onSuccess(); - }; - - /** - * Called upon error. - * - * @api private - */ - - Request.prototype.onError = function (err) { - this.emit('error', err); - this.cleanup(true); - }; - - /** - * Cleans up house. - * - * @api private - */ - - Request.prototype.cleanup = function (fromError) { - if ('undefined' === typeof this.xhr || null === this.xhr) { - return; - } - // xmlhttprequest - if (this.hasXDR()) { - this.xhr.onload = this.xhr.onerror = empty; - } else { - this.xhr.onreadystatechange = empty; - } - - if (fromError) { - try { - this.xhr.abort(); - } catch (e) {} - } - - if (typeof document !== 'undefined') { - delete Request.requests[this.index]; - } - - this.xhr = null; - }; - - /** - * Called upon load. - * - * @api private - */ - - Request.prototype.onLoad = function () { - var data; - try { - var contentType; - try { - contentType = this.xhr.getResponseHeader('Content-Type'); - } catch (e) {} - if (contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') { - data = this.xhr.response || this.xhr.responseText; - } else { - data = this.xhr.responseText; - } - } catch (e) { - this.onError(e); - } - if (null != data) { - this.onData(data); - } - }; - - /** - * Check if it has XDomainRequest. - * - * @api private - */ - - Request.prototype.hasXDR = function () { - return typeof XDomainRequest !== 'undefined' && !this.xs && this.enablesXDR; - }; - - /** - * Aborts the request. - * - * @api public - */ - - Request.prototype.abort = function () { - this.cleanup(); - }; - - /** - * Aborts pending requests when unloading the window. This is needed to prevent - * memory leaks (e.g. when using IE) and to ensure that no spurious error is - * emitted. - */ - - Request.requestsCount = 0; - Request.requests = {}; - - if (typeof document !== 'undefined') { - if (typeof attachEvent === 'function') { - attachEvent('onunload', unloadHandler); - } else if (typeof addEventListener === 'function') { - var terminationEvent = 'onpagehide' in globalThis ? 'pagehide' : 'unload'; - addEventListener(terminationEvent, unloadHandler, false); - } - } - - function unloadHandler () { - for (var i in Request.requests) { - if (Request.requests.hasOwnProperty(i)) { - Request.requests[i].abort(); - } - } - } - - -/***/ }, -/* 7 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * Module dependencies. - */ - - var Transport = __webpack_require__(8); - var parseqs = __webpack_require__(19); - var parser = __webpack_require__(9); - var inherit = __webpack_require__(20); - var yeast = __webpack_require__(21); - var debug = __webpack_require__(22)('engine.io-client:polling'); - - /** - * Module exports. - */ - - module.exports = Polling; - - /** - * Is XHR2 supported? - */ - - var hasXHR2 = (function () { - var XMLHttpRequest = __webpack_require__(3); - var xhr = new XMLHttpRequest({ xdomain: false }); - return null != xhr.responseType; - })(); - - /** - * Polling interface. - * - * @param {Object} opts - * @api private - */ - - function Polling (opts) { - var forceBase64 = (opts && opts.forceBase64); - if (!hasXHR2 || forceBase64) { - this.supportsBinary = false; - } - Transport.call(this, opts); - } - - /** - * Inherits from Transport. - */ - - inherit(Polling, Transport); - - /** - * Transport name. - */ - - Polling.prototype.name = 'polling'; - - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @api private - */ - - Polling.prototype.doOpen = function () { - this.poll(); - }; - - /** - * Pauses polling. - * - * @param {Function} callback upon buffers are flushed and transport is paused - * @api private - */ - - Polling.prototype.pause = function (onPause) { - var self = this; - - this.readyState = 'pausing'; - - function pause () { - debug('paused'); - self.readyState = 'paused'; - onPause(); - } - - if (this.polling || !this.writable) { - var total = 0; - - if (this.polling) { - debug('we are currently polling - waiting to pause'); - total++; - this.once('pollComplete', function () { - debug('pre-pause polling complete'); - --total || pause(); - }); - } - - if (!this.writable) { - debug('we are currently writing - waiting to pause'); - total++; - this.once('drain', function () { - debug('pre-pause writing complete'); - --total || pause(); - }); - } - } else { - pause(); - } - }; - - /** - * Starts polling cycle. - * - * @api public - */ - - Polling.prototype.poll = function () { - debug('polling'); - this.polling = true; - this.doPoll(); - this.emit('poll'); - }; - - /** - * Overloads onData to detect payloads. - * - * @api private - */ - - Polling.prototype.onData = function (data) { - var self = this; - debug('polling got data %s', data); - var callback = function (packet, index, total) { - // if its the first message we consider the transport open - if ('opening' === self.readyState && packet.type === 'open') { - self.onOpen(); - } - - // if its a close packet, we close the ongoing requests - if ('close' === packet.type) { - self.onClose(); - return false; - } - - // otherwise bypass onData and handle the message - self.onPacket(packet); - }; - - // decode payload - parser.decodePayload(data, this.socket.binaryType, callback); - - // if an event did not trigger closing - if ('closed' !== this.readyState) { - // if we got data we're not polling - this.polling = false; - this.emit('pollComplete'); - - if ('open' === this.readyState) { - this.poll(); - } else { - debug('ignoring poll - transport state "%s"', this.readyState); - } - } - }; - - /** - * For polling, send a close packet. - * - * @api private - */ - - Polling.prototype.doClose = function () { - var self = this; - - function close () { - debug('writing close packet'); - self.write([{ type: 'close' }]); - } - - if ('open' === this.readyState) { - debug('transport open - closing'); - close(); - } else { - // in case we're trying to close while - // handshaking is in progress (GH-164) - debug('transport not open - deferring close'); - this.once('open', close); - } - }; - - /** - * Writes a packets payload. - * - * @param {Array} data packets - * @param {Function} drain callback - * @api private - */ - - Polling.prototype.write = function (packets) { - var self = this; - this.writable = false; - var callbackfn = function () { - self.writable = true; - self.emit('drain'); - }; - - parser.encodePayload(packets, this.supportsBinary, function (data) { - self.doWrite(data, callbackfn); - }); - }; - - /** - * Generates uri for connection. - * - * @api private - */ - - Polling.prototype.uri = function () { - var query = this.query || {}; - var schema = this.secure ? 'https' : 'http'; - var port = ''; - - // cache busting is forced - if (false !== this.timestampRequests) { - query[this.timestampParam] = yeast(); - } - - if (!this.supportsBinary && !query.sid) { - query.b64 = 1; - } - - query = parseqs.encode(query); - - // avoid port if default for schema - if (this.port && (('https' === schema && Number(this.port) !== 443) || - ('http' === schema && Number(this.port) !== 80))) { - port = ':' + this.port; - } - - // prepend ? to query - if (query.length) { - query = '?' + query; - } - - var ipv6 = this.hostname.indexOf(':') !== -1; - return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query; - }; - - -/***/ }, -/* 8 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * Module dependencies. - */ - - var parser = __webpack_require__(9); - var Emitter = __webpack_require__(18); - - /** - * Module exports. - */ - - module.exports = Transport; - - /** - * Transport abstract constructor. - * - * @param {Object} options. - * @api private - */ - - function Transport (opts) { - this.path = opts.path; - this.hostname = opts.hostname; - this.port = opts.port; - this.secure = opts.secure; - this.query = opts.query; - this.timestampParam = opts.timestampParam; - this.timestampRequests = opts.timestampRequests; - this.readyState = ''; - this.agent = opts.agent || false; - this.socket = opts.socket; - this.enablesXDR = opts.enablesXDR; - this.withCredentials = opts.withCredentials; - - // SSL options for Node.js client - this.pfx = opts.pfx; - this.key = opts.key; - this.passphrase = opts.passphrase; - this.cert = opts.cert; - this.ca = opts.ca; - this.ciphers = opts.ciphers; - this.rejectUnauthorized = opts.rejectUnauthorized; - this.forceNode = opts.forceNode; - - // results of ReactNative environment detection - this.isReactNative = opts.isReactNative; - - // other options for Node.js client - this.extraHeaders = opts.extraHeaders; - this.localAddress = opts.localAddress; - } - - /** - * Mix in `Emitter`. - */ - - Emitter(Transport.prototype); - - /** - * Emits an error. - * - * @param {String} str - * @return {Transport} for chaining - * @api public - */ - - Transport.prototype.onError = function (msg, desc) { - var err = new Error(msg); - err.type = 'TransportError'; - err.description = desc; - this.emit('error', err); - return this; - }; - - /** - * Opens the transport. - * - * @api public - */ - - Transport.prototype.open = function () { - if ('closed' === this.readyState || '' === this.readyState) { - this.readyState = 'opening'; - this.doOpen(); - } - - return this; - }; - - /** - * Closes the transport. - * - * @api private - */ - - Transport.prototype.close = function () { - if ('opening' === this.readyState || 'open' === this.readyState) { - this.doClose(); - this.onClose(); - } - - return this; - }; - - /** - * Sends multiple packets. - * - * @param {Array} packets - * @api private - */ - - Transport.prototype.send = function (packets) { - if ('open' === this.readyState) { - this.write(packets); - } else { - throw new Error('Transport not open'); - } - }; - - /** - * Called upon open - * - * @api private - */ - - Transport.prototype.onOpen = function () { - this.readyState = 'open'; - this.writable = true; - this.emit('open'); - }; - - /** - * Called with data. - * - * @param {String} data - * @api private - */ - - Transport.prototype.onData = function (data) { - var packet = parser.decodePacket(data, this.socket.binaryType); - this.onPacket(packet); - }; - - /** - * Called with a decoded packet. - */ - - Transport.prototype.onPacket = function (packet) { - this.emit('packet', packet); - }; - - /** - * Called upon close. - * - * @api private - */ - - Transport.prototype.onClose = function () { - this.readyState = 'closed'; - this.emit('close'); - }; - - -/***/ }, -/* 9 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * Module dependencies. - */ - - var keys = __webpack_require__(10); - var hasBinary = __webpack_require__(11); - var sliceBuffer = __webpack_require__(13); - var after = __webpack_require__(14); - var utf8 = __webpack_require__(15); - - var base64encoder; - if (typeof ArrayBuffer !== 'undefined') { - base64encoder = __webpack_require__(16); - } - - /** - * Check if we are running an android browser. That requires us to use - * ArrayBuffer with polling transports... - * - * http://ghinda.net/jpeg-blob-ajax-android/ - */ - - var isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent); - - /** - * Check if we are running in PhantomJS. - * Uploading a Blob with PhantomJS does not work correctly, as reported here: - * https://github.com/ariya/phantomjs/issues/11395 - * @type boolean - */ - var isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent); - - /** - * When true, avoids using Blobs to encode payloads. - * @type boolean - */ - var dontSendBlobs = isAndroid || isPhantomJS; - - /** - * Current protocol version. - */ - - exports.protocol = 3; - - /** - * Packet types. - */ - - var packets = exports.packets = { - open: 0 // non-ws - , close: 1 // non-ws - , ping: 2 - , pong: 3 - , message: 4 - , upgrade: 5 - , noop: 6 - }; - - var packetslist = keys(packets); - - /** - * Premade error packet. - */ - - var err = { type: 'error', data: 'parser error' }; - - /** - * Create a blob api even for blob builder when vendor prefixes exist - */ - - var Blob = __webpack_require__(17); - - /** - * Encodes a packet. - * - * [ ] - * - * Example: - * - * 5hello world - * 3 - * 4 - * - * Binary is encoded in an identical principle - * - * @api private - */ - - exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) { - if (typeof supportsBinary === 'function') { - callback = supportsBinary; - supportsBinary = false; - } - - if (typeof utf8encode === 'function') { - callback = utf8encode; - utf8encode = null; - } - - var data = (packet.data === undefined) - ? undefined - : packet.data.buffer || packet.data; - - if (typeof ArrayBuffer !== 'undefined' && data instanceof ArrayBuffer) { - return encodeArrayBuffer(packet, supportsBinary, callback); - } else if (typeof Blob !== 'undefined' && data instanceof Blob) { - return encodeBlob(packet, supportsBinary, callback); - } - - // might be an object with { base64: true, data: dataAsBase64String } - if (data && data.base64) { - return encodeBase64Object(packet, callback); - } - - // Sending data as a utf-8 string - var encoded = packets[packet.type]; - - // data fragment is optional - if (undefined !== packet.data) { - encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data); - } - - return callback('' + encoded); - - }; - - function encodeBase64Object(packet, callback) { - // packet data is an object { base64: true, data: dataAsBase64String } - var message = 'b' + exports.packets[packet.type] + packet.data.data; - return callback(message); - } - - /** - * Encode packet helpers for binary types - */ - - function encodeArrayBuffer(packet, supportsBinary, callback) { - if (!supportsBinary) { - return exports.encodeBase64Packet(packet, callback); - } - - var data = packet.data; - var contentArray = new Uint8Array(data); - var resultBuffer = new Uint8Array(1 + data.byteLength); - - resultBuffer[0] = packets[packet.type]; - for (var i = 0; i < contentArray.length; i++) { - resultBuffer[i+1] = contentArray[i]; - } - - return callback(resultBuffer.buffer); - } - - function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) { - if (!supportsBinary) { - return exports.encodeBase64Packet(packet, callback); - } - - var fr = new FileReader(); - fr.onload = function() { - exports.encodePacket({ type: packet.type, data: fr.result }, supportsBinary, true, callback); - }; - return fr.readAsArrayBuffer(packet.data); - } - - function encodeBlob(packet, supportsBinary, callback) { - if (!supportsBinary) { - return exports.encodeBase64Packet(packet, callback); - } - - if (dontSendBlobs) { - return encodeBlobAsArrayBuffer(packet, supportsBinary, callback); - } - - var length = new Uint8Array(1); - length[0] = packets[packet.type]; - var blob = new Blob([length.buffer, packet.data]); - - return callback(blob); - } - - /** - * Encodes a packet with binary data in a base64 string - * - * @param {Object} packet, has `type` and `data` - * @return {String} base64 encoded message - */ - - exports.encodeBase64Packet = function(packet, callback) { - var message = 'b' + exports.packets[packet.type]; - if (typeof Blob !== 'undefined' && packet.data instanceof Blob) { - var fr = new FileReader(); - fr.onload = function() { - var b64 = fr.result.split(',')[1]; - callback(message + b64); - }; - return fr.readAsDataURL(packet.data); - } - - var b64data; - try { - b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data)); - } catch (e) { - // iPhone Safari doesn't let you apply with typed arrays - var typed = new Uint8Array(packet.data); - var basic = new Array(typed.length); - for (var i = 0; i < typed.length; i++) { - basic[i] = typed[i]; - } - b64data = String.fromCharCode.apply(null, basic); - } - message += btoa(b64data); - return callback(message); - }; - - /** - * Decodes a packet. Changes format to Blob if requested. - * - * @return {Object} with `type` and `data` (if any) - * @api private - */ - - exports.decodePacket = function (data, binaryType, utf8decode) { - if (data === undefined) { - return err; - } - // String data - if (typeof data === 'string') { - if (data.charAt(0) === 'b') { - return exports.decodeBase64Packet(data.substr(1), binaryType); - } - - if (utf8decode) { - data = tryDecode(data); - if (data === false) { - return err; - } - } - var type = data.charAt(0); - - if (Number(type) != type || !packetslist[type]) { - return err; - } - - if (data.length > 1) { - return { type: packetslist[type], data: data.substring(1) }; - } else { - return { type: packetslist[type] }; - } - } - - var asArray = new Uint8Array(data); - var type = asArray[0]; - var rest = sliceBuffer(data, 1); - if (Blob && binaryType === 'blob') { - rest = new Blob([rest]); - } - return { type: packetslist[type], data: rest }; - }; - - function tryDecode(data) { - try { - data = utf8.decode(data, { strict: false }); - } catch (e) { - return false; - } - return data; - } - - /** - * Decodes a packet encoded in a base64 string - * - * @param {String} base64 encoded message - * @return {Object} with `type` and `data` (if any) - */ - - exports.decodeBase64Packet = function(msg, binaryType) { - var type = packetslist[msg.charAt(0)]; - if (!base64encoder) { - return { type: type, data: { base64: true, data: msg.substr(1) } }; - } - - var data = base64encoder.decode(msg.substr(1)); - - if (binaryType === 'blob' && Blob) { - data = new Blob([data]); - } - - return { type: type, data: data }; - }; - - /** - * Encodes multiple messages (payload). - * - * :data - * - * Example: - * - * 11:hello world2:hi - * - * If any contents are binary, they will be encoded as base64 strings. Base64 - * encoded strings are marked with a b before the length specifier - * - * @param {Array} packets - * @api private - */ - - exports.encodePayload = function (packets, supportsBinary, callback) { - if (typeof supportsBinary === 'function') { - callback = supportsBinary; - supportsBinary = null; - } - - var isBinary = hasBinary(packets); - - if (supportsBinary && isBinary) { - if (Blob && !dontSendBlobs) { - return exports.encodePayloadAsBlob(packets, callback); - } - - return exports.encodePayloadAsArrayBuffer(packets, callback); - } - - if (!packets.length) { - return callback('0:'); - } - - function setLengthHeader(message) { - return message.length + ':' + message; - } - - function encodeOne(packet, doneCallback) { - exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) { - doneCallback(null, setLengthHeader(message)); - }); - } - - map(packets, encodeOne, function(err, results) { - return callback(results.join('')); - }); - }; - - /** - * Async array map using after - */ - - function map(ary, each, done) { - var result = new Array(ary.length); - var next = after(ary.length, done); - - var eachWithIndex = function(i, el, cb) { - each(el, function(error, msg) { - result[i] = msg; - cb(error, result); - }); - }; - - for (var i = 0; i < ary.length; i++) { - eachWithIndex(i, ary[i], next); - } - } - - /* - * Decodes data when a payload is maybe expected. Possible binary contents are - * decoded from their base64 representation - * - * @param {String} data, callback method - * @api public - */ - - exports.decodePayload = function (data, binaryType, callback) { - if (typeof data !== 'string') { - return exports.decodePayloadAsBinary(data, binaryType, callback); - } - - if (typeof binaryType === 'function') { - callback = binaryType; - binaryType = null; - } - - var packet; - if (data === '') { - // parser error - ignoring payload - return callback(err, 0, 1); - } - - var length = '', n, msg; - - for (var i = 0, l = data.length; i < l; i++) { - var chr = data.charAt(i); - - if (chr !== ':') { - length += chr; - continue; - } - - if (length === '' || (length != (n = Number(length)))) { - // parser error - ignoring payload - return callback(err, 0, 1); - } - - msg = data.substr(i + 1, n); - - if (length != msg.length) { - // parser error - ignoring payload - return callback(err, 0, 1); - } - - if (msg.length) { - packet = exports.decodePacket(msg, binaryType, false); - - if (err.type === packet.type && err.data === packet.data) { - // parser error in individual packet - ignoring payload - return callback(err, 0, 1); - } - - var ret = callback(packet, i + n, l); - if (false === ret) return; - } - - // advance cursor - i += n; - length = ''; - } - - if (length !== '') { - // parser error - ignoring payload - return callback(err, 0, 1); - } - - }; - - /** - * Encodes multiple messages (payload) as binary. - * - * <1 = binary, 0 = string>[...] - * - * Example: - * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers - * - * @param {Array} packets - * @return {ArrayBuffer} encoded payload - * @api private - */ - - exports.encodePayloadAsArrayBuffer = function(packets, callback) { - if (!packets.length) { - return callback(new ArrayBuffer(0)); - } - - function encodeOne(packet, doneCallback) { - exports.encodePacket(packet, true, true, function(data) { - return doneCallback(null, data); - }); - } - - map(packets, encodeOne, function(err, encodedPackets) { - var totalLength = encodedPackets.reduce(function(acc, p) { - var len; - if (typeof p === 'string'){ - len = p.length; - } else { - len = p.byteLength; - } - return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2 - }, 0); - - var resultArray = new Uint8Array(totalLength); - - var bufferIndex = 0; - encodedPackets.forEach(function(p) { - var isString = typeof p === 'string'; - var ab = p; - if (isString) { - var view = new Uint8Array(p.length); - for (var i = 0; i < p.length; i++) { - view[i] = p.charCodeAt(i); - } - ab = view.buffer; - } - - if (isString) { // not true binary - resultArray[bufferIndex++] = 0; - } else { // true binary - resultArray[bufferIndex++] = 1; - } - - var lenStr = ab.byteLength.toString(); - for (var i = 0; i < lenStr.length; i++) { - resultArray[bufferIndex++] = parseInt(lenStr[i]); - } - resultArray[bufferIndex++] = 255; - - var view = new Uint8Array(ab); - for (var i = 0; i < view.length; i++) { - resultArray[bufferIndex++] = view[i]; - } - }); - - return callback(resultArray.buffer); - }); - }; - - /** - * Encode as Blob - */ - - exports.encodePayloadAsBlob = function(packets, callback) { - function encodeOne(packet, doneCallback) { - exports.encodePacket(packet, true, true, function(encoded) { - var binaryIdentifier = new Uint8Array(1); - binaryIdentifier[0] = 1; - if (typeof encoded === 'string') { - var view = new Uint8Array(encoded.length); - for (var i = 0; i < encoded.length; i++) { - view[i] = encoded.charCodeAt(i); - } - encoded = view.buffer; - binaryIdentifier[0] = 0; - } - - var len = (encoded instanceof ArrayBuffer) - ? encoded.byteLength - : encoded.size; - - var lenStr = len.toString(); - var lengthAry = new Uint8Array(lenStr.length + 1); - for (var i = 0; i < lenStr.length; i++) { - lengthAry[i] = parseInt(lenStr[i]); - } - lengthAry[lenStr.length] = 255; - - if (Blob) { - var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]); - doneCallback(null, blob); - } - }); - } - - map(packets, encodeOne, function(err, results) { - return callback(new Blob(results)); - }); - }; - - /* - * Decodes data when a payload is maybe expected. Strings are decoded by - * interpreting each byte as a key code for entries marked to start with 0. See - * description of encodePayloadAsBinary - * - * @param {ArrayBuffer} data, callback method - * @api public - */ - - exports.decodePayloadAsBinary = function (data, binaryType, callback) { - if (typeof binaryType === 'function') { - callback = binaryType; - binaryType = null; - } - - var bufferTail = data; - var buffers = []; - - while (bufferTail.byteLength > 0) { - var tailArray = new Uint8Array(bufferTail); - var isString = tailArray[0] === 0; - var msgLength = ''; - - for (var i = 1; ; i++) { - if (tailArray[i] === 255) break; - - // 310 = char length of Number.MAX_VALUE - if (msgLength.length > 310) { - return callback(err, 0, 1); - } - - msgLength += tailArray[i]; - } - - bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length); - msgLength = parseInt(msgLength); - - var msg = sliceBuffer(bufferTail, 0, msgLength); - if (isString) { - try { - msg = String.fromCharCode.apply(null, new Uint8Array(msg)); - } catch (e) { - // iPhone Safari doesn't let you apply to typed arrays - var typed = new Uint8Array(msg); - msg = ''; - for (var i = 0; i < typed.length; i++) { - msg += String.fromCharCode(typed[i]); - } - } - } - - buffers.push(msg); - bufferTail = sliceBuffer(bufferTail, msgLength); - } - - var total = buffers.length; - buffers.forEach(function(buffer, i) { - callback(exports.decodePacket(buffer, binaryType, true), i, total); - }); - }; - - -/***/ }, -/* 10 */ -/***/ function(module, exports) { - - - /** - * Gets the keys for an object. - * - * @return {Array} keys - * @api private - */ - - module.exports = Object.keys || function keys (obj){ - var arr = []; - var has = Object.prototype.hasOwnProperty; - - for (var i in obj) { - if (has.call(obj, i)) { - arr.push(i); - } - } - return arr; - }; - - -/***/ }, -/* 11 */ -/***/ function(module, exports, __webpack_require__) { - - /* global Blob File */ - - /* - * Module requirements. - */ - - var isArray = __webpack_require__(12); - - var toString = Object.prototype.toString; - var withNativeBlob = typeof Blob === 'function' || - typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]'; - var withNativeFile = typeof File === 'function' || - typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]'; - - /** - * Module exports. - */ - - module.exports = hasBinary; - - /** - * Checks for binary data. - * - * Supports Buffer, ArrayBuffer, Blob and File. - * - * @param {Object} anything - * @api public - */ - - function hasBinary (obj) { - if (!obj || typeof obj !== 'object') { - return false; - } - - if (isArray(obj)) { - for (var i = 0, l = obj.length; i < l; i++) { - if (hasBinary(obj[i])) { - return true; - } - } - return false; - } - - if ((typeof Buffer === 'function' && Buffer.isBuffer && Buffer.isBuffer(obj)) || - (typeof ArrayBuffer === 'function' && obj instanceof ArrayBuffer) || - (withNativeBlob && obj instanceof Blob) || - (withNativeFile && obj instanceof File) - ) { - return true; - } - - // see: https://github.com/Automattic/has-binary/pull/4 - if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) { - return hasBinary(obj.toJSON(), true); - } - - for (var key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { - return true; - } - } - - return false; - } - - -/***/ }, -/* 12 */ -/***/ function(module, exports) { - - var toString = {}.toString; - - module.exports = Array.isArray || function (arr) { - return toString.call(arr) == '[object Array]'; - }; - - -/***/ }, -/* 13 */ -/***/ function(module, exports) { - - /** - * An abstraction for slicing an arraybuffer even when - * ArrayBuffer.prototype.slice is not supported - * - * @api public - */ - - module.exports = function(arraybuffer, start, end) { - var bytes = arraybuffer.byteLength; - start = start || 0; - end = end || bytes; - - if (arraybuffer.slice) { return arraybuffer.slice(start, end); } - - if (start < 0) { start += bytes; } - if (end < 0) { end += bytes; } - if (end > bytes) { end = bytes; } - - if (start >= bytes || start >= end || bytes === 0) { - return new ArrayBuffer(0); - } - - var abv = new Uint8Array(arraybuffer); - var result = new Uint8Array(end - start); - for (var i = start, ii = 0; i < end; i++, ii++) { - result[ii] = abv[i]; - } - return result.buffer; - }; - - -/***/ }, -/* 14 */ -/***/ function(module, exports) { - - module.exports = after - - function after(count, callback, err_cb) { - var bail = false - err_cb = err_cb || noop - proxy.count = count - - return (count === 0) ? callback() : proxy - - function proxy(err, result) { - if (proxy.count <= 0) { - throw new Error('after called too many times') - } - --proxy.count - - // after first error, rest are passed to err_cb - if (err) { - bail = true - callback(err) - // future error callbacks will go to error handler - callback = err_cb - } else if (proxy.count === 0 && !bail) { - callback(null, result) - } - } - } - - function noop() {} - - -/***/ }, -/* 15 */ -/***/ function(module, exports) { - - /*! https://mths.be/utf8js v2.1.2 by @mathias */ - - var stringFromCharCode = String.fromCharCode; - - // Taken from https://mths.be/punycode - function ucs2decode(string) { - var output = []; - var counter = 0; - var length = string.length; - var value; - var extra; - while (counter < length) { - value = string.charCodeAt(counter++); - if (value >= 0xD800 && value <= 0xDBFF && counter < length) { - // high surrogate, and there is a next character - extra = string.charCodeAt(counter++); - if ((extra & 0xFC00) == 0xDC00) { // low surrogate - output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); - } else { - // unmatched surrogate; only append this code unit, in case the next - // code unit is the high surrogate of a surrogate pair - output.push(value); - counter--; - } - } else { - output.push(value); - } - } - return output; - } - - // Taken from https://mths.be/punycode - function ucs2encode(array) { - var length = array.length; - var index = -1; - var value; - var output = ''; - while (++index < length) { - value = array[index]; - if (value > 0xFFFF) { - value -= 0x10000; - output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); - value = 0xDC00 | value & 0x3FF; - } - output += stringFromCharCode(value); - } - return output; - } - - function checkScalarValue(codePoint, strict) { - if (codePoint >= 0xD800 && codePoint <= 0xDFFF) { - if (strict) { - throw Error( - 'Lone surrogate U+' + codePoint.toString(16).toUpperCase() + - ' is not a scalar value' - ); - } - return false; - } - return true; - } - /*--------------------------------------------------------------------------*/ - - function createByte(codePoint, shift) { - return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80); - } - - function encodeCodePoint(codePoint, strict) { - if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence - return stringFromCharCode(codePoint); - } - var symbol = ''; - if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence - symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0); - } - else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence - if (!checkScalarValue(codePoint, strict)) { - codePoint = 0xFFFD; - } - symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0); - symbol += createByte(codePoint, 6); - } - else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence - symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0); - symbol += createByte(codePoint, 12); - symbol += createByte(codePoint, 6); - } - symbol += stringFromCharCode((codePoint & 0x3F) | 0x80); - return symbol; - } - - function utf8encode(string, opts) { - opts = opts || {}; - var strict = false !== opts.strict; - - var codePoints = ucs2decode(string); - var length = codePoints.length; - var index = -1; - var codePoint; - var byteString = ''; - while (++index < length) { - codePoint = codePoints[index]; - byteString += encodeCodePoint(codePoint, strict); - } - return byteString; - } - - /*--------------------------------------------------------------------------*/ - - function readContinuationByte() { - if (byteIndex >= byteCount) { - throw Error('Invalid byte index'); - } - - var continuationByte = byteArray[byteIndex] & 0xFF; - byteIndex++; - - if ((continuationByte & 0xC0) == 0x80) { - return continuationByte & 0x3F; - } - - // If we end up here, it’s not a continuation byte - throw Error('Invalid continuation byte'); - } - - function decodeSymbol(strict) { - var byte1; - var byte2; - var byte3; - var byte4; - var codePoint; - - if (byteIndex > byteCount) { - throw Error('Invalid byte index'); - } - - if (byteIndex == byteCount) { - return false; - } - - // Read first byte - byte1 = byteArray[byteIndex] & 0xFF; - byteIndex++; - - // 1-byte sequence (no continuation bytes) - if ((byte1 & 0x80) == 0) { - return byte1; - } - - // 2-byte sequence - if ((byte1 & 0xE0) == 0xC0) { - byte2 = readContinuationByte(); - codePoint = ((byte1 & 0x1F) << 6) | byte2; - if (codePoint >= 0x80) { - return codePoint; - } else { - throw Error('Invalid continuation byte'); - } - } - - // 3-byte sequence (may include unpaired surrogates) - if ((byte1 & 0xF0) == 0xE0) { - byte2 = readContinuationByte(); - byte3 = readContinuationByte(); - codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3; - if (codePoint >= 0x0800) { - return checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD; - } else { - throw Error('Invalid continuation byte'); - } - } - - // 4-byte sequence - if ((byte1 & 0xF8) == 0xF0) { - byte2 = readContinuationByte(); - byte3 = readContinuationByte(); - byte4 = readContinuationByte(); - codePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) | - (byte3 << 0x06) | byte4; - if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) { - return codePoint; - } - } - - throw Error('Invalid UTF-8 detected'); - } - - var byteArray; - var byteCount; - var byteIndex; - function utf8decode(byteString, opts) { - opts = opts || {}; - var strict = false !== opts.strict; - - byteArray = ucs2decode(byteString); - byteCount = byteArray.length; - byteIndex = 0; - var codePoints = []; - var tmp; - while ((tmp = decodeSymbol(strict)) !== false) { - codePoints.push(tmp); - } - return ucs2encode(codePoints); - } - - module.exports = { - version: '2.1.2', - encode: utf8encode, - decode: utf8decode - }; - - -/***/ }, -/* 16 */ -/***/ function(module, exports) { - - /* - * base64-arraybuffer - * https://github.com/niklasvh/base64-arraybuffer - * - * Copyright (c) 2012 Niklas von Hertzen - * Licensed under the MIT license. - */ - (function(){ - "use strict"; - - var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - - // Use a lookup table to find the index. - var lookup = new Uint8Array(256); - for (var i = 0; i < chars.length; i++) { - lookup[chars.charCodeAt(i)] = i; - } - - exports.encode = function(arraybuffer) { - var bytes = new Uint8Array(arraybuffer), - i, len = bytes.length, base64 = ""; - - for (i = 0; i < len; i+=3) { - base64 += chars[bytes[i] >> 2]; - base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)]; - base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)]; - base64 += chars[bytes[i + 2] & 63]; - } - - if ((len % 3) === 2) { - base64 = base64.substring(0, base64.length - 1) + "="; - } else if (len % 3 === 1) { - base64 = base64.substring(0, base64.length - 2) + "=="; - } - - return base64; - }; - - exports.decode = function(base64) { - var bufferLength = base64.length * 0.75, - len = base64.length, i, p = 0, - encoded1, encoded2, encoded3, encoded4; - - if (base64[base64.length - 1] === "=") { - bufferLength--; - if (base64[base64.length - 2] === "=") { - bufferLength--; - } - } - - var arraybuffer = new ArrayBuffer(bufferLength), - bytes = new Uint8Array(arraybuffer); - - for (i = 0; i < len; i+=4) { - encoded1 = lookup[base64.charCodeAt(i)]; - encoded2 = lookup[base64.charCodeAt(i+1)]; - encoded3 = lookup[base64.charCodeAt(i+2)]; - encoded4 = lookup[base64.charCodeAt(i+3)]; - - bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); - bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); - bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63); - } - - return arraybuffer; - }; - })(); - - -/***/ }, -/* 17 */ -/***/ function(module, exports) { - - /** - * Create a blob builder even when vendor prefixes exist - */ - - var BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder : - typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder : - typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : - typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : - false; - - /** - * Check if Blob constructor is supported - */ - - var blobSupported = (function() { - try { - var a = new Blob(['hi']); - return a.size === 2; - } catch(e) { - return false; - } - })(); - - /** - * Check if Blob constructor supports ArrayBufferViews - * Fails in Safari 6, so we need to map to ArrayBuffers there. - */ - - var blobSupportsArrayBufferView = blobSupported && (function() { - try { - var b = new Blob([new Uint8Array([1,2])]); - return b.size === 2; - } catch(e) { - return false; - } - })(); - - /** - * Check if BlobBuilder is supported - */ - - var blobBuilderSupported = BlobBuilder - && BlobBuilder.prototype.append - && BlobBuilder.prototype.getBlob; - - /** - * Helper function that maps ArrayBufferViews to ArrayBuffers - * Used by BlobBuilder constructor and old browsers that didn't - * support it in the Blob constructor. - */ - - function mapArrayBufferViews(ary) { - return ary.map(function(chunk) { - if (chunk.buffer instanceof ArrayBuffer) { - var buf = chunk.buffer; - - // if this is a subarray, make a copy so we only - // include the subarray region from the underlying buffer - if (chunk.byteLength !== buf.byteLength) { - var copy = new Uint8Array(chunk.byteLength); - copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength)); - buf = copy.buffer; - } - - return buf; - } - - return chunk; - }); - } - - function BlobBuilderConstructor(ary, options) { - options = options || {}; - - var bb = new BlobBuilder(); - mapArrayBufferViews(ary).forEach(function(part) { - bb.append(part); - }); - - return (options.type) ? bb.getBlob(options.type) : bb.getBlob(); - }; - - function BlobConstructor(ary, options) { - return new Blob(mapArrayBufferViews(ary), options || {}); - }; - - if (typeof Blob !== 'undefined') { - BlobBuilderConstructor.prototype = Blob.prototype; - BlobConstructor.prototype = Blob.prototype; - } - - module.exports = (function() { - if (blobSupported) { - return blobSupportsArrayBufferView ? Blob : BlobConstructor; - } else if (blobBuilderSupported) { - return BlobBuilderConstructor; - } else { - return undefined; - } - })(); - - -/***/ }, -/* 18 */ -/***/ function(module, exports, __webpack_require__) { - - - /** - * Expose `Emitter`. - */ - - if (true) { - module.exports = Emitter; - } - - /** - * Initialize a new `Emitter`. - * - * @api public - */ - - function Emitter(obj) { - if (obj) return mixin(obj); - }; - - /** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private - */ - - function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; - } - return obj; - } - - /** - * Listen on the given `event` with `fn`. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.on = - Emitter.prototype.addEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - (this._callbacks['$' + event] = this._callbacks['$' + event] || []) - .push(fn); - return this; - }; - - /** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.once = function(event, fn){ - function on() { - this.off(event, on); - fn.apply(this, arguments); - } - - on.fn = fn; - this.on(event, on); - return this; - }; - - /** - * Remove the given callback for `event` or all - * registered callbacks. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.off = - Emitter.prototype.removeListener = - Emitter.prototype.removeAllListeners = - Emitter.prototype.removeEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - - // all - if (0 == arguments.length) { - this._callbacks = {}; - return this; - } - - // specific event - var callbacks = this._callbacks['$' + event]; - if (!callbacks) return this; - - // remove all handlers - if (1 == arguments.length) { - delete this._callbacks['$' + event]; - return this; - } - - // remove specific handler - var cb; - for (var i = 0; i < callbacks.length; i++) { - cb = callbacks[i]; - if (cb === fn || cb.fn === fn) { - callbacks.splice(i, 1); - break; - } - } - - // Remove event specific arrays for event types that no - // one is subscribed for to avoid memory leak. - if (callbacks.length === 0) { - delete this._callbacks['$' + event]; - } - - return this; - }; - - /** - * Emit `event` with the given args. - * - * @param {String} event - * @param {Mixed} ... - * @return {Emitter} - */ - - Emitter.prototype.emit = function(event){ - this._callbacks = this._callbacks || {}; - - var args = new Array(arguments.length - 1) - , callbacks = this._callbacks['$' + event]; - - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } - - if (callbacks) { - callbacks = callbacks.slice(0); - for (var i = 0, len = callbacks.length; i < len; ++i) { - callbacks[i].apply(this, args); - } - } - - return this; - }; - - /** - * Return array of callbacks for `event`. - * - * @param {String} event - * @return {Array} - * @api public - */ - - Emitter.prototype.listeners = function(event){ - this._callbacks = this._callbacks || {}; - return this._callbacks['$' + event] || []; - }; - - /** - * Check if this emitter has `event` handlers. - * - * @param {String} event - * @return {Boolean} - * @api public - */ - - Emitter.prototype.hasListeners = function(event){ - return !! this.listeners(event).length; - }; - - -/***/ }, -/* 19 */ -/***/ function(module, exports) { - - /** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ - - exports.encode = function (obj) { - var str = ''; - - for (var i in obj) { - if (obj.hasOwnProperty(i)) { - if (str.length) str += '&'; - str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); - } - } - - return str; - }; - - /** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ - - exports.decode = function(qs){ - var qry = {}; - var pairs = qs.split('&'); - for (var i = 0, l = pairs.length; i < l; i++) { - var pair = pairs[i].split('='); - qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); - } - return qry; - }; - - -/***/ }, -/* 20 */ -/***/ function(module, exports) { - - - module.exports = function(a, b){ - var fn = function(){}; - fn.prototype = b.prototype; - a.prototype = new fn; - a.prototype.constructor = a; - }; - -/***/ }, -/* 21 */ -/***/ function(module, exports) { - - 'use strict'; - - var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('') - , length = 64 - , map = {} - , seed = 0 - , i = 0 - , prev; - - /** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ - function encode(num) { - var encoded = ''; - - do { - encoded = alphabet[num % length] + encoded; - num = Math.floor(num / length); - } while (num > 0); - - return encoded; - } - - /** - * Return the integer value specified by the given string. - * - * @param {String} str The string to convert. - * @returns {Number} The integer value represented by the string. - * @api public - */ - function decode(str) { - var decoded = 0; - - for (i = 0; i < str.length; i++) { - decoded = decoded * length + map[str.charAt(i)]; - } - - return decoded; - } - - /** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ - function yeast() { - var now = encode(+new Date()); - - if (now !== prev) return seed = 0, prev = now; - return now +'.'+ encode(seed++); - } - - // - // Map each character to its index. - // - for (; i < length; i++) map[alphabet[i]] = i; - - // - // Expose the `yeast`, `encode` and `decode` functions. - // - yeast.encode = encode; - yeast.decode = decode; - module.exports = yeast; - - -/***/ }, -/* 22 */ -/***/ function(module, exports, __webpack_require__) { - - /* WEBPACK VAR INJECTION */(function(process) {'use strict'; - - var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; - - /** - * This is the web browser implementation of `debug()`. - * - * Expose `debug()` as the module. - */ - - exports = module.exports = __webpack_require__(24); - exports.log = log; - exports.formatArgs = formatArgs; - exports.save = save; - exports.load = load; - exports.useColors = useColors; - exports.storage = 'undefined' != typeof chrome && 'undefined' != typeof chrome.storage ? chrome.storage.local : localstorage(); - - /** - * Colors. - */ - - exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33']; - - /** - * Currently only WebKit-based Web Inspectors, Firefox >= v31, - * and the Firebug extension (any Firefox version) are known - * to support "%c" CSS customizations. - * - * TODO: add a `localStorage` variable to explicitly enable/disable colors - */ - - function useColors() { - // NB: In an Electron preload script, document will be defined but not fully - // initialized. Since we know we're in Chrome, we'll just detect this case - // explicitly - if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') { - return true; - } - - // Internet Explorer and Edge do not support colors. - if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) { - return false; - } - - // is webkit? http://stackoverflow.com/a/16459606/376773 - // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 - return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || - // is firebug? http://stackoverflow.com/a/398120/376773 - typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || - // is firefox >= v31? - // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages - typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || - // double check webkit in userAgent just in case we are in a worker - typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/); - } - - /** - * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. - */ - - exports.formatters.j = function (v) { - try { - return JSON.stringify(v); - } catch (err) { - return '[UnexpectedJSONParseError]: ' + err.message; - } - }; - - /** - * Colorize log arguments if enabled. - * - * @api public - */ - - function formatArgs(args) { - var useColors = this.useColors; - - args[0] = (useColors ? '%c' : '') + this.namespace + (useColors ? ' %c' : ' ') + args[0] + (useColors ? '%c ' : ' ') + '+' + exports.humanize(this.diff); - - if (!useColors) return; - - var c = 'color: ' + this.color; - args.splice(1, 0, c, 'color: inherit'); - - // the final "%c" is somewhat tricky, because there could be other - // arguments passed either before or after the %c, so we need to - // figure out the correct index to insert the CSS into - var index = 0; - var lastC = 0; - args[0].replace(/%[a-zA-Z%]/g, function (match) { - if ('%%' === match) return; - index++; - if ('%c' === match) { - // we only are interested in the *last* %c - // (the user may have provided their own) - lastC = index; - } - }); - - args.splice(lastC, 0, c); - } - - /** - * Invokes `console.log()` when available. - * No-op when `console.log` is not a "function". - * - * @api public - */ - - function log() { - // this hackery is required for IE8/9, where - // the `console.log` function doesn't have 'apply' - return 'object' === (typeof console === 'undefined' ? 'undefined' : _typeof(console)) && console.log && Function.prototype.apply.call(console.log, console, arguments); - } - - /** - * Save `namespaces`. - * - * @param {String} namespaces - * @api private - */ - - function save(namespaces) { - try { - if (null == namespaces) { - exports.storage.removeItem('debug'); - } else { - exports.storage.debug = namespaces; - } - } catch (e) {} - } - - /** - * Load `namespaces`. - * - * @return {String} returns the previously persisted debug modes - * @api private - */ - - function load() { - var r; - try { - r = exports.storage.debug; - } catch (e) {} - - // If debug isn't set in LS, and we're in Electron, try to load $DEBUG - if (!r && typeof process !== 'undefined' && 'env' in process) { - r = process.env.DEBUG; - } - - return r; - } - - /** - * Enable namespaces listed in `localStorage.debug` initially. - */ - - exports.enable(load()); - - /** - * Localstorage attempts to return the localstorage. - * - * This is necessary because safari throws - * when a user disables cookies/localstorage - * and you attempt to access it. - * - * @return {LocalStorage} - * @api private - */ - - function localstorage() { - try { - return window.localStorage; - } catch (e) {} - } - /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(23))) - -/***/ }, -/* 23 */ -/***/ function(module, exports) { - - // shim for using process in browser - var process = module.exports = {}; - - // cached from whatever global is present so that test runners that stub it - // don't break things. But we need to wrap it in a try catch in case it is - // wrapped in strict mode code which doesn't define any globals. It's inside a - // function because try/catches deoptimize in certain engines. - - var cachedSetTimeout; - var cachedClearTimeout; - - function defaultSetTimout() { - throw new Error('setTimeout has not been defined'); - } - function defaultClearTimeout () { - throw new Error('clearTimeout has not been defined'); - } - (function () { - try { - if (typeof setTimeout === 'function') { - cachedSetTimeout = setTimeout; - } else { - cachedSetTimeout = defaultSetTimout; - } - } catch (e) { - cachedSetTimeout = defaultSetTimout; - } - try { - if (typeof clearTimeout === 'function') { - cachedClearTimeout = clearTimeout; - } else { - cachedClearTimeout = defaultClearTimeout; - } - } catch (e) { - cachedClearTimeout = defaultClearTimeout; - } - } ()) - function runTimeout(fun) { - if (cachedSetTimeout === setTimeout) { - //normal enviroments in sane situations - return setTimeout(fun, 0); - } - // if setTimeout wasn't available but was latter defined - if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { - cachedSetTimeout = setTimeout; - return setTimeout(fun, 0); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedSetTimeout(fun, 0); - } catch(e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedSetTimeout.call(null, fun, 0); - } catch(e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error - return cachedSetTimeout.call(this, fun, 0); - } - } - - - } - function runClearTimeout(marker) { - if (cachedClearTimeout === clearTimeout) { - //normal enviroments in sane situations - return clearTimeout(marker); - } - // if clearTimeout wasn't available but was latter defined - if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { - cachedClearTimeout = clearTimeout; - return clearTimeout(marker); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedClearTimeout(marker); - } catch (e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedClearTimeout.call(null, marker); - } catch (e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. - // Some versions of I.E. have different rules for clearTimeout vs setTimeout - return cachedClearTimeout.call(this, marker); - } - } - - - - } - var queue = []; - var draining = false; - var currentQueue; - var queueIndex = -1; - - function cleanUpNextTick() { - if (!draining || !currentQueue) { - return; - } - draining = false; - if (currentQueue.length) { - queue = currentQueue.concat(queue); - } else { - queueIndex = -1; - } - if (queue.length) { - drainQueue(); - } - } - - function drainQueue() { - if (draining) { - return; - } - var timeout = runTimeout(cleanUpNextTick); - draining = true; - - var len = queue.length; - while(len) { - currentQueue = queue; - queue = []; - while (++queueIndex < len) { - if (currentQueue) { - currentQueue[queueIndex].run(); - } - } - queueIndex = -1; - len = queue.length; - } - currentQueue = null; - draining = false; - runClearTimeout(timeout); - } - - process.nextTick = function (fun) { - var args = new Array(arguments.length - 1); - if (arguments.length > 1) { - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } - } - queue.push(new Item(fun, args)); - if (queue.length === 1 && !draining) { - runTimeout(drainQueue); - } - }; - - // v8 likes predictible objects - function Item(fun, array) { - this.fun = fun; - this.array = array; - } - Item.prototype.run = function () { - this.fun.apply(null, this.array); - }; - process.title = 'browser'; - process.browser = true; - process.env = {}; - process.argv = []; - process.version = ''; // empty string to avoid regexp issues - process.versions = {}; - - function noop() {} - - process.on = noop; - process.addListener = noop; - process.once = noop; - process.off = noop; - process.removeListener = noop; - process.removeAllListeners = noop; - process.emit = noop; - process.prependListener = noop; - process.prependOnceListener = noop; - - process.listeners = function (name) { return [] } - - process.binding = function (name) { - throw new Error('process.binding is not supported'); - }; - - process.cwd = function () { return '/' }; - process.chdir = function (dir) { - throw new Error('process.chdir is not supported'); - }; - process.umask = function() { return 0; }; - - -/***/ }, -/* 24 */ -/***/ function(module, exports, __webpack_require__) { - - 'use strict'; - - /** - * This is the common logic for both the Node.js and web browser - * implementations of `debug()`. - * - * Expose `debug()` as the module. - */ - - exports = module.exports = createDebug.debug = createDebug['default'] = createDebug; - exports.coerce = coerce; - exports.disable = disable; - exports.enable = enable; - exports.enabled = enabled; - exports.humanize = __webpack_require__(25); - - /** - * Active `debug` instances. - */ - exports.instances = []; - - /** - * The currently active debug mode names, and names to skip. - */ - - exports.names = []; - exports.skips = []; - - /** - * Map of special "%n" handling functions, for the debug "format" argument. - * - * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". - */ - - exports.formatters = {}; - - /** - * Select a color. - * @param {String} namespace - * @return {Number} - * @api private - */ - - function selectColor(namespace) { - var hash = 0, - i; - - for (i in namespace) { - hash = (hash << 5) - hash + namespace.charCodeAt(i); - hash |= 0; // Convert to 32bit integer - } - - return exports.colors[Math.abs(hash) % exports.colors.length]; - } - - /** - * Create a debugger with the given `namespace`. - * - * @param {String} namespace - * @return {Function} - * @api public - */ - - function createDebug(namespace) { - - var prevTime; - - function debug() { - // disabled? - if (!debug.enabled) return; - - var self = debug; - - // set `diff` timestamp - var curr = +new Date(); - var ms = curr - (prevTime || curr); - self.diff = ms; - self.prev = prevTime; - self.curr = curr; - prevTime = curr; - - // turn the `arguments` into a proper Array - var args = new Array(arguments.length); - for (var i = 0; i < args.length; i++) { - args[i] = arguments[i]; - } - - args[0] = exports.coerce(args[0]); - - if ('string' !== typeof args[0]) { - // anything else let's inspect with %O - args.unshift('%O'); - } - - // apply any `formatters` transformations - var index = 0; - args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) { - // if we encounter an escaped % then don't increase the array index - if (match === '%%') return match; - index++; - var formatter = exports.formatters[format]; - if ('function' === typeof formatter) { - var val = args[index]; - match = formatter.call(self, val); - - // now we need to remove `args[index]` since it's inlined in the `format` - args.splice(index, 1); - index--; - } - return match; - }); - - // apply env-specific formatting (colors, etc.) - exports.formatArgs.call(self, args); - - var logFn = debug.log || exports.log || console.log.bind(console); - logFn.apply(self, args); - } - - debug.namespace = namespace; - debug.enabled = exports.enabled(namespace); - debug.useColors = exports.useColors(); - debug.color = selectColor(namespace); - debug.destroy = destroy; - - // env-specific initialization logic for debug instances - if ('function' === typeof exports.init) { - exports.init(debug); - } - - exports.instances.push(debug); - - return debug; - } - - function destroy() { - var index = exports.instances.indexOf(this); - if (index !== -1) { - exports.instances.splice(index, 1); - return true; - } else { - return false; - } - } - - /** - * Enables a debug mode by namespaces. This can include modes - * separated by a colon and wildcards. - * - * @param {String} namespaces - * @api public - */ - - function enable(namespaces) { - exports.save(namespaces); - - exports.names = []; - exports.skips = []; - - var i; - var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); - var len = split.length; - - for (i = 0; i < len; i++) { - if (!split[i]) continue; // ignore empty strings - namespaces = split[i].replace(/\*/g, '.*?'); - if (namespaces[0] === '-') { - exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$')); - } else { - exports.names.push(new RegExp('^' + namespaces + '$')); - } - } - - for (i = 0; i < exports.instances.length; i++) { - var instance = exports.instances[i]; - instance.enabled = exports.enabled(instance.namespace); - } - } - - /** - * Disable debug output. - * - * @api public - */ - - function disable() { - exports.enable(''); - } - - /** - * Returns true if the given mode name is enabled, false otherwise. - * - * @param {String} name - * @return {Boolean} - * @api public - */ - - function enabled(name) { - if (name[name.length - 1] === '*') { - return true; - } - var i, len; - for (i = 0, len = exports.skips.length; i < len; i++) { - if (exports.skips[i].test(name)) { - return false; - } - } - for (i = 0, len = exports.names.length; i < len; i++) { - if (exports.names[i].test(name)) { - return true; - } - } - return false; - } - - /** - * Coerce `val`. - * - * @param {Mixed} val - * @return {Mixed} - * @api private - */ - - function coerce(val) { - if (val instanceof Error) return val.stack || val.message; - return val; - } - -/***/ }, -/* 25 */ -/***/ function(module, exports) { - - /** - * Helpers. - */ - - var s = 1000; - var m = s * 60; - var h = m * 60; - var d = h * 24; - var y = d * 365.25; - - /** - * Parse or format the given `val`. - * - * Options: - * - * - `long` verbose formatting [false] - * - * @param {String|Number} val - * @param {Object} [options] - * @throws {Error} throw an error if val is not a non-empty string or a number - * @return {String|Number} - * @api public - */ - - module.exports = function(val, options) { - options = options || {}; - var type = typeof val; - if (type === 'string' && val.length > 0) { - return parse(val); - } else if (type === 'number' && isNaN(val) === false) { - return options.long ? fmtLong(val) : fmtShort(val); - } - throw new Error( - 'val is not a non-empty string or a valid number. val=' + - JSON.stringify(val) - ); - }; - - /** - * Parse the given `str` and return milliseconds. - * - * @param {String} str - * @return {Number} - * @api private - */ - - function parse(str) { - str = String(str); - if (str.length > 100) { - return; - } - var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec( - str - ); - if (!match) { - return; - } - var n = parseFloat(match[1]); - var type = (match[2] || 'ms').toLowerCase(); - switch (type) { - case 'years': - case 'year': - case 'yrs': - case 'yr': - case 'y': - return n * y; - case 'days': - case 'day': - case 'd': - return n * d; - case 'hours': - case 'hour': - case 'hrs': - case 'hr': - case 'h': - return n * h; - case 'minutes': - case 'minute': - case 'mins': - case 'min': - case 'm': - return n * m; - case 'seconds': - case 'second': - case 'secs': - case 'sec': - case 's': - return n * s; - case 'milliseconds': - case 'millisecond': - case 'msecs': - case 'msec': - case 'ms': - return n; - default: - return undefined; - } - } - - /** - * Short format for `ms`. - * - * @param {Number} ms - * @return {String} - * @api private - */ - - function fmtShort(ms) { - if (ms >= d) { - return Math.round(ms / d) + 'd'; - } - if (ms >= h) { - return Math.round(ms / h) + 'h'; - } - if (ms >= m) { - return Math.round(ms / m) + 'm'; - } - if (ms >= s) { - return Math.round(ms / s) + 's'; - } - return ms + 'ms'; - } - - /** - * Long format for `ms`. - * - * @param {Number} ms - * @return {String} - * @api private - */ - - function fmtLong(ms) { - return plural(ms, d, 'day') || - plural(ms, h, 'hour') || - plural(ms, m, 'minute') || - plural(ms, s, 'second') || - ms + ' ms'; - } - - /** - * Pluralization helper. - */ - - function plural(ms, n, name) { - if (ms < n) { - return; - } - if (ms < n * 1.5) { - return Math.floor(ms / n) + ' ' + name; - } - return Math.ceil(ms / n) + ' ' + name + 's'; - } - - -/***/ }, -/* 26 */ -/***/ function(module, exports, __webpack_require__) { - - /** - * Module requirements. - */ - - var Polling = __webpack_require__(7); - var inherit = __webpack_require__(20); - var globalThis = __webpack_require__(5); - - /** - * Module exports. - */ - - module.exports = JSONPPolling; - - /** - * Cached regular expressions. - */ - - var rNewline = /\n/g; - var rEscapedNewline = /\\n/g; - - /** - * Global JSONP callbacks. - */ - - var callbacks; - - /** - * Noop. - */ - - function empty () { } - - /** - * JSONP Polling constructor. - * - * @param {Object} opts. - * @api public - */ - - function JSONPPolling (opts) { - Polling.call(this, opts); - - this.query = this.query || {}; - - // define global callbacks array if not present - // we do this here (lazily) to avoid unneeded global pollution - if (!callbacks) { - // we need to consider multiple engines in the same page - callbacks = globalThis.___eio = (globalThis.___eio || []); - } - - // callback identifier - this.index = callbacks.length; - - // add callback to jsonp global - var self = this; - callbacks.push(function (msg) { - self.onData(msg); - }); - - // append to query string - this.query.j = this.index; - - // prevent spurious errors from being emitted when the window is unloaded - if (typeof addEventListener === 'function') { - addEventListener('beforeunload', function () { - if (self.script) self.script.onerror = empty; - }, false); - } - } - - /** - * Inherits from Polling. - */ - - inherit(JSONPPolling, Polling); - - /* - * JSONP only supports binary as base64 encoded strings - */ - - JSONPPolling.prototype.supportsBinary = false; - - /** - * Closes the socket. - * - * @api private - */ - - JSONPPolling.prototype.doClose = function () { - if (this.script) { - this.script.parentNode.removeChild(this.script); - this.script = null; - } - - if (this.form) { - this.form.parentNode.removeChild(this.form); - this.form = null; - this.iframe = null; - } - - Polling.prototype.doClose.call(this); - }; - - /** - * Starts a poll cycle. - * - * @api private - */ - - JSONPPolling.prototype.doPoll = function () { - var self = this; - var script = document.createElement('script'); - - if (this.script) { - this.script.parentNode.removeChild(this.script); - this.script = null; - } - - script.async = true; - script.src = this.uri(); - script.onerror = function (e) { - self.onError('jsonp poll error', e); - }; - - var insertAt = document.getElementsByTagName('script')[0]; - if (insertAt) { - insertAt.parentNode.insertBefore(script, insertAt); - } else { - (document.head || document.body).appendChild(script); - } - this.script = script; - - var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent); - - if (isUAgecko) { - setTimeout(function () { - var iframe = document.createElement('iframe'); - document.body.appendChild(iframe); - document.body.removeChild(iframe); - }, 100); - } - }; - - /** - * Writes with a hidden iframe. - * - * @param {String} data to send - * @param {Function} called upon flush. - * @api private - */ - - JSONPPolling.prototype.doWrite = function (data, fn) { - var self = this; - - if (!this.form) { - var form = document.createElement('form'); - var area = document.createElement('textarea'); - var id = this.iframeId = 'eio_iframe_' + this.index; - var iframe; - - form.className = 'socketio'; - form.style.position = 'absolute'; - form.style.top = '-1000px'; - form.style.left = '-1000px'; - form.target = id; - form.method = 'POST'; - form.setAttribute('accept-charset', 'utf-8'); - area.name = 'd'; - form.appendChild(area); - document.body.appendChild(form); - - this.form = form; - this.area = area; - } - - this.form.action = this.uri(); - - function complete () { - initIframe(); - fn(); - } - - function initIframe () { - if (self.iframe) { - try { - self.form.removeChild(self.iframe); - } catch (e) { - self.onError('jsonp polling iframe removal error', e); - } - } - - try { - // ie6 dynamic iframes with target="" support (thanks Chris Lambacher) - var html = '