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|
- (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__) {
- 'use strict';
- module.exports = __webpack_require__(1);
- /**
- * Exports parser
- *
- * @api public
- *
- */
- module.exports.parser = __webpack_require__(8);
- /***/ },
- /* 1 */
- /***/ function(module, exports, __webpack_require__) {
- /* WEBPACK VAR INJECTION */(function(global) {'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; };
- /**
- * 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__(8);
- 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 === 'undefined' ? 'undefined' : _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 : global.location && '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 || (global.location ? location.hostname : 'localhost');
- this.port = opts.port || (global.location && 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.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 || null;
- this.key = opts.key || null;
- this.passphrase = opts.passphrase || null;
- this.cert = opts.cert || null;
- this.ca = opts.ca || null;
- this.ciphers = opts.ciphers || null;
- this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;
- this.forceNode = !!opts.forceNode;
- // other options for Node.js client
- var freeGlobal = (typeof global === 'undefined' ? 'undefined' : _typeof(global)) === 'object' && global;
- if (freeGlobal.global === freeGlobal) {
- 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__(7);
- Socket.transports = __webpack_require__(2);
- Socket.parser = __webpack_require__(8);
- /**
- * 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,
- 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
- });
- 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;
- };
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 2 */
- /***/ function(module, exports, __webpack_require__) {
- /* WEBPACK VAR INJECTION */(function(global) {'use strict';
- /**
- * Module dependencies
- */
- var XMLHttpRequest = __webpack_require__(3);
- var XHR = __webpack_require__(5);
- 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 (global.location) {
- 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);
- }
- }
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 3 */
- /***/ function(module, exports, __webpack_require__) {
- /* WEBPACK VAR INJECTION */(function(global) {'use strict';
- // browser shim for xmlhttprequest module
- var hasCORS = __webpack_require__(4);
- 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 global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
- } catch (e) {}
- }
- };
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 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, __webpack_require__) {
- /* WEBPACK VAR INJECTION */(function(global) {'use strict';
- /**
- * Module requirements.
- */
- var XMLHttpRequest = __webpack_require__(3);
- var Polling = __webpack_require__(6);
- var Emitter = __webpack_require__(18);
- var inherit = __webpack_require__(20);
- var debug = __webpack_require__(22)('engine.io-client:polling-xhr');
- /**
- * 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 (global.location) {
- var isSSL = 'https:' === location.protocol;
- var port = location.port;
- // some user agents have empty `location.port`
- if (!port) {
- port = isSSL ? 443 : 80;
- }
- this.xd = opts.hostname !== global.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;
- // 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.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 = true;
- }
- 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) {
- var contentType;
- try {
- contentType = xhr.getResponseHeader('Content-Type');
- } catch (e) {}
- if (contentType === 'application/octet-stream') {
- xhr.responseType = 'arraybuffer';
- }
- }
- 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(xhr.status);
- }, 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 (global.document) {
- 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 (global.document) {
- 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') {
- 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 'undefined' !== typeof global.XDomainRequest && !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 (global.document) {
- if (global.attachEvent) {
- global.attachEvent('onunload', unloadHandler);
- } else if (global.addEventListener) {
- global.addEventListener('beforeunload', unloadHandler, false);
- }
- }
- function unloadHandler() {
- for (var i in Request.requests) {
- if (Request.requests.hasOwnProperty(i)) {
- Request.requests[i].abort();
- }
- }
- }
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 6 */
- /***/ function(module, exports, __webpack_require__) {
- 'use strict';
- /**
- * Module dependencies.
- */
- var Transport = __webpack_require__(7);
- var parseqs = __webpack_require__(19);
- var parser = __webpack_require__(8);
- 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 callback(packet, index, total) {
- // if its the first message we consider the transport open
- if ('opening' === self.readyState) {
- 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 callbackfn() {
- 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;
- };
- /***/ },
- /* 7 */
- /***/ function(module, exports, __webpack_require__) {
- 'use strict';
- /**
- * Module dependencies.
- */
- var parser = __webpack_require__(8);
- 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;
- // 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;
- // 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');
- };
- /***/ },
- /* 8 */
- /***/ function(module, exports, __webpack_require__) {
- /* WEBPACK VAR INJECTION */(function(global) {/**
- * Module dependencies.
- */
- var keys = __webpack_require__(9);
- var hasBinary = __webpack_require__(10);
- var sliceBuffer = __webpack_require__(12);
- var after = __webpack_require__(13);
- var utf8 = __webpack_require__(14);
- var base64encoder;
- if (global && global.ArrayBuffer) {
- 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.
- *
- * <packet type id> [ <data> ]
- *
- * 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 (global.ArrayBuffer && data instanceof ArrayBuffer) {
- return encodeArrayBuffer(packet, supportsBinary, callback);
- } else if (Blob && data instanceof global.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() {
- packet.data = fr.result;
- exports.encodePacket(packet, 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 (Blob && packet.data instanceof global.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 += global.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).
- *
- * <length>: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><number from 0-9><number from 0-9>[...]<number
- * 255><data>
- *
- * 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);
- });
- };
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 9 */
- /***/ 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;
- };
- /***/ },
- /* 10 */
- /***/ function(module, exports, __webpack_require__) {
- /* WEBPACK VAR INJECTION */(function(global) {/* global Blob File */
- /*
- * Module requirements.
- */
- var isArray = __webpack_require__(11);
- var toString = Object.prototype.toString;
- var withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';
- var withNativeFile = typeof global.File === 'function' || toString.call(global.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 global.Buffer === 'function' && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||
- (typeof global.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;
- }
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 11 */
- /***/ function(module, exports) {
- var toString = {}.toString;
- module.exports = Array.isArray || function (arr) {
- return toString.call(arr) == '[object Array]';
- };
- /***/ },
- /* 12 */
- /***/ 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;
- };
- /***/ },
- /* 13 */
- /***/ 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() {}
- /***/ },
- /* 14 */
- /***/ function(module, exports, __webpack_require__) {
- var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/*! https://mths.be/utf8js v2.1.2 by @mathias */
- ;(function(root) {
- // Detect free variables `exports`
- var freeExports = typeof exports == 'object' && exports;
- // Detect free variable `module`
- var freeModule = typeof module == 'object' && module &&
- module.exports == freeExports && module;
- // Detect free variable `global`, from Node.js or Browserified code,
- // and use it as `root`
- var freeGlobal = typeof global == 'object' && global;
- if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
- root = freeGlobal;
- }
- /*--------------------------------------------------------------------------*/
- 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);
- }
- /*--------------------------------------------------------------------------*/
- var utf8 = {
- 'version': '2.1.2',
- 'encode': utf8encode,
- 'decode': utf8decode
- };
- // Some AMD build optimizers, like r.js, check for specific condition patterns
- // like the following:
- if (
- true
- ) {
- !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {
- return utf8;
- }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
- } else if (freeExports && !freeExports.nodeType) {
- if (freeModule) { // in Node.js or RingoJS v0.8.0+
- freeModule.exports = utf8;
- } else { // in Narwhal or RingoJS v0.7.0-
- var object = {};
- var hasOwnProperty = object.hasOwnProperty;
- for (var key in utf8) {
- hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
- }
- }
- } else { // in Rhino or a web browser
- root.utf8 = utf8;
- }
- }(this));
- /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(15)(module), (function() { return this; }())))
- /***/ },
- /* 15 */
- /***/ function(module, exports) {
- module.exports = function(module) {
- if(!module.webpackPolyfill) {
- module.deprecate = function() {};
- module.paths = [];
- // module.parent = undefined by default
- module.children = [];
- module.webpackPolyfill = 1;
- }
- return module;
- }
- /***/ },
- /* 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) {
- /* WEBPACK VAR INJECTION */(function(global) {/**
- * Create a blob builder even when vendor prefixes exist
- */
- var BlobBuilder = global.BlobBuilder
- || global.WebKitBlobBuilder
- || global.MSBlobBuilder
- || global.MozBlobBuilder;
- /**
- * 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) {
- for (var i = 0; i < ary.length; i++) {
- var chunk = ary[i];
- 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;
- }
- ary[i] = buf;
- }
- }
- }
- function BlobBuilderConstructor(ary, options) {
- options = options || {};
- var bb = new BlobBuilder();
- mapArrayBufferViews(ary);
- for (var i = 0; i < ary.length; i++) {
- bb.append(ary[i]);
- }
- return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
- };
- function BlobConstructor(ary, options) {
- mapArrayBufferViews(ary);
- return new Blob(ary, options || {});
- };
- module.exports = (function() {
- if (blobSupported) {
- return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
- } else if (blobBuilderSupported) {
- return BlobBuilderConstructor;
- } else {
- return undefined;
- }
- })();
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 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['$' + event];
- return this;
- }
- // remove specific handler
- var cb;
- for (var i = 0; i < callbacks.length; i++) {
- cb = callbacks[i];
- if (cb === fn || cb.fn === fn) {
- callbacks.splice(i, 1);
- break;
- }
- }
- return this;
- };
- /**
- * Emit `event` with the given args.
- *
- * @param {String} event
- * @param {Mixed} ...
- * @return {Emitter}
- */
- Emitter.prototype.emit = function(event){
- this._callbacks = this._callbacks || {};
- var args = [].slice.call(arguments, 1)
- , callbacks = this._callbacks['$' + event];
- 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) {/**
- * 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 = [
- 'lightseagreen',
- 'forestgreen',
- 'goldenrod',
- 'dodgerblue',
- 'darkorchid',
- 'crimson'
- ];
- /**
- * 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;
- }
- // 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
- && 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__) {
-
- /**
- * 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);
- /**
- * 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 = {};
- /**
- * Previous log timestamp.
- */
- var prevTime;
- /**
- * 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) {
- 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);
- // env-specific initialization logic for debug instances
- if ('function' === typeof exports.init) {
- exports.init(debug);
- }
- return debug;
- }
- /**
- * 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 split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
- var len = split.length;
- for (var 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 + '$'));
- }
- }
- }
- /**
- * Disable debug output.
- *
- * @api public
- */
- function disable() {
- exports.enable('');
- }
- /**
- * Returns true if the given mode name is enabled, false otherwise.
- *
- * @param {String} name
- * @return {Boolean}
- * @api public
- */
- function enabled(name) {
- var i, len;
- for (i = 0, len = exports.skips.length; i < len; i++) {
- if (exports.skips[i].test(name)) {
- return false;
- }
- }
- for (i = 0, len = exports.names.length; i < len; i++) {
- if (exports.names[i].test(name)) {
- return true;
- }
- }
- return false;
- }
- /**
- * Coerce `val`.
- *
- * @param {Mixed} val
- * @return {Mixed}
- * @api private
- */
- function coerce(val) {
- if (val instanceof Error) return val.stack || val.message;
- return val;
- }
- /***/ },
- /* 25 */
- /***/ function(module, exports) {
- /**
- * Helpers.
- */
- var s = 1000;
- var m = s * 60;
- var h = m * 60;
- var d = h * 24;
- var y = d * 365.25;
- /**
- * Parse or format the given `val`.
- *
- * Options:
- *
- * - `long` verbose formatting [false]
- *
- * @param {String|Number} val
- * @param {Object} [options]
- * @throws {Error} throw an error if val is not a non-empty string or a number
- * @return {String|Number}
- * @api public
- */
- module.exports = function(val, options) {
- options = options || {};
- var type = typeof val;
- if (type === 'string' && val.length > 0) {
- return parse(val);
- } else if (type === 'number' && isNaN(val) === false) {
- return options.long ? fmtLong(val) : fmtShort(val);
- }
- throw new Error(
- 'val is not a non-empty string or a valid number. val=' +
- JSON.stringify(val)
- );
- };
- /**
- * Parse the given `str` and return milliseconds.
- *
- * @param {String} str
- * @return {Number}
- * @api private
- */
- function parse(str) {
- str = String(str);
- if (str.length > 100) {
- return;
- }
- var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/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__) {
- /* WEBPACK VAR INJECTION */(function(global) {'use strict';
- /**
- * Module requirements.
- */
- var Polling = __webpack_require__(6);
- var inherit = __webpack_require__(20);
- /**
- * 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
- if (!global.___eio) global.___eio = [];
- callbacks = global.___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 (global.document && global.addEventListener) {
- global.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 = '<iframe src="javascript:0" name="' + self.iframeId + '">';
- iframe = document.createElement(html);
- } catch (e) {
- iframe = document.createElement('iframe');
- iframe.name = self.iframeId;
- iframe.src = 'javascript:0';
- }
- iframe.id = self.iframeId;
- self.form.appendChild(iframe);
- self.iframe = iframe;
- }
- initIframe();
- // escape \n to prevent it from being converted into \r\n by some UAs
- // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
- data = data.replace(rEscapedNewline, '\\\n');
- this.area.value = data.replace(rNewline, '\\n');
- try {
- this.form.submit();
- } catch (e) {}
- if (this.iframe.attachEvent) {
- this.iframe.onreadystatechange = function () {
- if (self.iframe.readyState === 'complete') {
- complete();
- }
- };
- } else {
- this.iframe.onload = complete;
- }
- };
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 27 */
- /***/ function(module, exports, __webpack_require__) {
- /* WEBPACK VAR INJECTION */(function(global) {'use strict';
- /**
- * Module dependencies.
- */
- var Transport = __webpack_require__(7);
- var parser = __webpack_require__(8);
- var parseqs = __webpack_require__(19);
- var inherit = __webpack_require__(20);
- var yeast = __webpack_require__(21);
- var debug = __webpack_require__(22)('engine.io-client:websocket');
- var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
- var NodeWebSocket;
- if (typeof window === 'undefined') {
- try {
- NodeWebSocket = __webpack_require__(28);
- } catch (e) {}
- }
- /**
- * Get either the `WebSocket` or `MozWebSocket` globals
- * in the browser or try to resolve WebSocket-compatible
- * interface exposed by `ws` for Node-like environment.
- */
- var WebSocket = BrowserWebSocket;
- if (!WebSocket && typeof window === 'undefined') {
- WebSocket = NodeWebSocket;
- }
- /**
- * Module exports.
- */
- module.exports = WS;
- /**
- * WebSocket transport constructor.
- *
- * @api {Object} connection options
- * @api public
- */
- function WS(opts) {
- var forceBase64 = opts && opts.forceBase64;
- if (forceBase64) {
- this.supportsBinary = false;
- }
- this.perMessageDeflate = opts.perMessageDeflate;
- this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;
- this.protocols = opts.protocols;
- if (!this.usingBrowserWebSocket) {
- WebSocket = NodeWebSocket;
- }
- Transport.call(this, opts);
- }
- /**
- * Inherits from Transport.
- */
- inherit(WS, Transport);
- /**
- * Transport name.
- *
- * @api public
- */
- WS.prototype.name = 'websocket';
- /*
- * WebSockets support binary
- */
- WS.prototype.supportsBinary = true;
- /**
- * Opens socket.
- *
- * @api private
- */
- WS.prototype.doOpen = function () {
- if (!this.check()) {
- // let probe timeout
- return;
- }
- var uri = this.uri();
- var protocols = this.protocols;
- var opts = {
- agent: this.agent,
- perMessageDeflate: this.perMessageDeflate
- };
- // 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;
- if (this.extraHeaders) {
- opts.headers = this.extraHeaders;
- }
- if (this.localAddress) {
- opts.localAddress = this.localAddress;
- }
- try {
- this.ws = this.usingBrowserWebSocket ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts);
- } catch (err) {
- return this.emit('error', err);
- }
- if (this.ws.binaryType === undefined) {
- this.supportsBinary = false;
- }
- if (this.ws.supports && this.ws.supports.binary) {
- this.supportsBinary = true;
- this.ws.binaryType = 'nodebuffer';
- } else {
- this.ws.binaryType = 'arraybuffer';
- }
- this.addEventListeners();
- };
- /**
- * Adds event listeners to the socket
- *
- * @api private
- */
- WS.prototype.addEventListeners = function () {
- var self = this;
- this.ws.onopen = function () {
- self.onOpen();
- };
- this.ws.onclose = function () {
- self.onClose();
- };
- this.ws.onmessage = function (ev) {
- self.onData(ev.data);
- };
- this.ws.onerror = function (e) {
- self.onError('websocket error', e);
- };
- };
- /**
- * Writes data to socket.
- *
- * @param {Array} array of packets.
- * @api private
- */
- WS.prototype.write = function (packets) {
- var self = this;
- this.writable = false;
- // encodePacket efficient as it uses WS framing
- // no need for encodePayload
- var total = packets.length;
- for (var i = 0, l = total; i < l; i++) {
- (function (packet) {
- parser.encodePacket(packet, self.supportsBinary, function (data) {
- if (!self.usingBrowserWebSocket) {
- // always create a new object (GH-437)
- var opts = {};
- if (packet.options) {
- opts.compress = packet.options.compress;
- }
- if (self.perMessageDeflate) {
- var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length;
- if (len < self.perMessageDeflate.threshold) {
- opts.compress = false;
- }
- }
- }
- // Sometimes the websocket has already been closed but the browser didn't
- // have a chance of informing us about it yet, in that case send will
- // throw an error
- try {
- if (self.usingBrowserWebSocket) {
- // TypeError is thrown when passing the second argument on Safari
- self.ws.send(data);
- } else {
- self.ws.send(data, opts);
- }
- } catch (e) {
- debug('websocket closed before onclose event');
- }
- --total || done();
- });
- })(packets[i]);
- }
- function done() {
- self.emit('flush');
- // fake drain
- // defer to next tick to allow Socket to clear writeBuffer
- setTimeout(function () {
- self.writable = true;
- self.emit('drain');
- }, 0);
- }
- };
- /**
- * Called upon close
- *
- * @api private
- */
- WS.prototype.onClose = function () {
- Transport.prototype.onClose.call(this);
- };
- /**
- * Closes socket.
- *
- * @api private
- */
- WS.prototype.doClose = function () {
- if (typeof this.ws !== 'undefined') {
- this.ws.close();
- }
- };
- /**
- * Generates uri for connection.
- *
- * @api private
- */
- WS.prototype.uri = function () {
- var query = this.query || {};
- var schema = this.secure ? 'wss' : 'ws';
- var port = '';
- // avoid port if default for schema
- if (this.port && ('wss' === schema && Number(this.port) !== 443 || 'ws' === schema && Number(this.port) !== 80)) {
- port = ':' + this.port;
- }
- // append timestamp to URI
- if (this.timestampRequests) {
- query[this.timestampParam] = yeast();
- }
- // communicate binary support capabilities
- if (!this.supportsBinary) {
- query.b64 = 1;
- }
- query = parseqs.encode(query);
- // 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;
- };
- /**
- * Feature detection for WebSocket.
- *
- * @return {Boolean} whether this transport is available.
- * @api public
- */
- WS.prototype.check = function () {
- return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
- };
- /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
- /***/ },
- /* 28 */
- /***/ function(module, exports) {
- /* (ignored) */
- /***/ },
- /* 29 */
- /***/ function(module, exports) {
-
- var indexOf = [].indexOf;
- module.exports = function(arr, obj){
- if (indexOf) return arr.indexOf(obj);
- for (var i = 0; i < arr.length; ++i) {
- if (arr[i] === obj) return i;
- }
- return -1;
- };
- /***/ },
- /* 30 */
- /***/ function(module, exports) {
- /**
- * Parses an URI
- *
- * @author Steven Levithan <stevenlevithan.com> (MIT license)
- * @api private
- */
- var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
- var parts = [
- 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
- ];
- module.exports = function parseuri(str) {
- var src = str,
- b = str.indexOf('['),
- e = str.indexOf(']');
- if (b != -1 && e != -1) {
- str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
- }
- var m = re.exec(str || ''),
- uri = {},
- i = 14;
- while (i--) {
- uri[parts[i]] = m[i] || '';
- }
- if (b != -1 && e != -1) {
- uri.source = src;
- uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
- uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
- uri.ipv6uri = true;
- }
- return uri;
- };
- /***/ }
- /******/ ])
- });
- ;
|