/* sockjs-client v1.4.0 | http://sockjs.org | MIT license */ (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.SockJS = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){ (function (global){ 'use strict'; var transportList = require('./transport-list'); module.exports = require('./main')(transportList); // TODO can't get rid of this until all servers do if ('_sockjs_onload' in global) { setTimeout(global._sockjs_onload, 1); } }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./main":14,"./transport-list":16}],2:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , Event = require('./event') ; function CloseEvent() { Event.call(this); this.initEvent('close', false, false); this.wasClean = false; this.code = 0; this.reason = ''; } inherits(CloseEvent, Event); module.exports = CloseEvent; },{"./event":4,"inherits":57}],3:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , EventTarget = require('./eventtarget') ; function EventEmitter() { EventTarget.call(this); } inherits(EventEmitter, EventTarget); EventEmitter.prototype.removeAllListeners = function(type) { if (type) { delete this._listeners[type]; } else { this._listeners = {}; } }; EventEmitter.prototype.once = function(type, listener) { var self = this , fired = false; function g() { self.removeListener(type, g); if (!fired) { fired = true; listener.apply(this, arguments); } } this.on(type, g); }; EventEmitter.prototype.emit = function() { var type = arguments[0]; var listeners = this._listeners[type]; if (!listeners) { return; } // equivalent of Array.prototype.slice.call(arguments, 1); var l = arguments.length; var args = new Array(l - 1); for (var ai = 1; ai < l; ai++) { args[ai - 1] = arguments[ai]; } for (var i = 0; i < listeners.length; i++) { listeners[i].apply(this, args); } }; EventEmitter.prototype.on = EventEmitter.prototype.addListener = EventTarget.prototype.addEventListener; EventEmitter.prototype.removeListener = EventTarget.prototype.removeEventListener; module.exports.EventEmitter = EventEmitter; },{"./eventtarget":5,"inherits":57}],4:[function(require,module,exports){ 'use strict'; function Event(eventType) { this.type = eventType; } Event.prototype.initEvent = function(eventType, canBubble, cancelable) { this.type = eventType; this.bubbles = canBubble; this.cancelable = cancelable; this.timeStamp = +new Date(); return this; }; Event.prototype.stopPropagation = function() {}; Event.prototype.preventDefault = function() {}; Event.CAPTURING_PHASE = 1; Event.AT_TARGET = 2; Event.BUBBLING_PHASE = 3; module.exports = Event; },{}],5:[function(require,module,exports){ 'use strict'; /* Simplified implementation of DOM2 EventTarget. * http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget */ function EventTarget() { this._listeners = {}; } EventTarget.prototype.addEventListener = function(eventType, listener) { if (!(eventType in this._listeners)) { this._listeners[eventType] = []; } var arr = this._listeners[eventType]; // #4 if (arr.indexOf(listener) === -1) { // Make a copy so as not to interfere with a current dispatchEvent. arr = arr.concat([listener]); } this._listeners[eventType] = arr; }; EventTarget.prototype.removeEventListener = function(eventType, listener) { var arr = this._listeners[eventType]; if (!arr) { return; } var idx = arr.indexOf(listener); if (idx !== -1) { if (arr.length > 1) { // Make a copy so as not to interfere with a current dispatchEvent. this._listeners[eventType] = arr.slice(0, idx).concat(arr.slice(idx + 1)); } else { delete this._listeners[eventType]; } return; } }; EventTarget.prototype.dispatchEvent = function() { var event = arguments[0]; var t = event.type; // equivalent of Array.prototype.slice.call(arguments, 0); var args = arguments.length === 1 ? [event] : Array.apply(null, arguments); // TODO: This doesn't match the real behavior; per spec, onfoo get // their place in line from the /first/ time they're set from // non-null. Although WebKit bumps it to the end every time it's // set. if (this['on' + t]) { this['on' + t].apply(this, args); } if (t in this._listeners) { // Grab a reference to the listeners list. removeEventListener may alter the list. var listeners = this._listeners[t]; for (var i = 0; i < listeners.length; i++) { listeners[i].apply(this, args); } } }; module.exports = EventTarget; },{}],6:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , Event = require('./event') ; function TransportMessageEvent(data) { Event.call(this); this.initEvent('message', false, false); this.data = data; } inherits(TransportMessageEvent, Event); module.exports = TransportMessageEvent; },{"./event":4,"inherits":57}],7:[function(require,module,exports){ 'use strict'; var JSON3 = require('json3') , iframeUtils = require('./utils/iframe') ; function FacadeJS(transport) { this._transport = transport; transport.on('message', this._transportMessage.bind(this)); transport.on('close', this._transportClose.bind(this)); } FacadeJS.prototype._transportClose = function(code, reason) { iframeUtils.postMessage('c', JSON3.stringify([code, reason])); }; FacadeJS.prototype._transportMessage = function(frame) { iframeUtils.postMessage('t', frame); }; FacadeJS.prototype._send = function(data) { this._transport.send(data); }; FacadeJS.prototype._close = function() { this._transport.close(); this._transport.removeAllListeners(); }; module.exports = FacadeJS; },{"./utils/iframe":47,"json3":58}],8:[function(require,module,exports){ (function (process){ 'use strict'; var urlUtils = require('./utils/url') , eventUtils = require('./utils/event') , JSON3 = require('json3') , FacadeJS = require('./facade') , InfoIframeReceiver = require('./info-iframe-receiver') , iframeUtils = require('./utils/iframe') , loc = require('./location') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:iframe-bootstrap'); } module.exports = function(SockJS, availableTransports) { var transportMap = {}; availableTransports.forEach(function(at) { if (at.facadeTransport) { transportMap[at.facadeTransport.transportName] = at.facadeTransport; } }); // hard-coded for the info iframe // TODO see if we can make this more dynamic transportMap[InfoIframeReceiver.transportName] = InfoIframeReceiver; var parentOrigin; /* eslint-disable camelcase */ SockJS.bootstrap_iframe = function() { /* eslint-enable camelcase */ var facade; iframeUtils.currentWindowId = loc.hash.slice(1); var onMessage = function(e) { if (e.source !== parent) { return; } if (typeof parentOrigin === 'undefined') { parentOrigin = e.origin; } if (e.origin !== parentOrigin) { return; } var iframeMessage; try { iframeMessage = JSON3.parse(e.data); } catch (ignored) { debug('bad json', e.data); return; } if (iframeMessage.windowId !== iframeUtils.currentWindowId) { return; } switch (iframeMessage.type) { case 's': var p; try { p = JSON3.parse(iframeMessage.data); } catch (ignored) { debug('bad json', iframeMessage.data); break; } var version = p[0]; var transport = p[1]; var transUrl = p[2]; var baseUrl = p[3]; debug(version, transport, transUrl, baseUrl); // change this to semver logic if (version !== SockJS.version) { throw new Error('Incompatible SockJS! Main site uses:' + ' "' + version + '", the iframe:' + ' "' + SockJS.version + '".'); } if (!urlUtils.isOriginEqual(transUrl, loc.href) || !urlUtils.isOriginEqual(baseUrl, loc.href)) { throw new Error('Can\'t connect to different domain from within an ' + 'iframe. (' + loc.href + ', ' + transUrl + ', ' + baseUrl + ')'); } facade = new FacadeJS(new transportMap[transport](transUrl, baseUrl)); break; case 'm': facade._send(iframeMessage.data); break; case 'c': if (facade) { facade._close(); } facade = null; break; } }; eventUtils.attachEvent('message', onMessage); // Start iframeUtils.postMessage('s'); }; }; }).call(this,{ env: {} }) },{"./facade":7,"./info-iframe-receiver":10,"./location":13,"./utils/event":46,"./utils/iframe":47,"./utils/url":52,"debug":55,"json3":58}],9:[function(require,module,exports){ (function (process){ 'use strict'; var EventEmitter = require('events').EventEmitter , inherits = require('inherits') , JSON3 = require('json3') , objectUtils = require('./utils/object') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:info-ajax'); } function InfoAjax(url, AjaxObject) { EventEmitter.call(this); var self = this; var t0 = +new Date(); this.xo = new AjaxObject('GET', url); this.xo.once('finish', function(status, text) { var info, rtt; if (status === 200) { rtt = (+new Date()) - t0; if (text) { try { info = JSON3.parse(text); } catch (e) { debug('bad json', text); } } if (!objectUtils.isObject(info)) { info = {}; } } self.emit('finish', info, rtt); self.removeAllListeners(); }); } inherits(InfoAjax, EventEmitter); InfoAjax.prototype.close = function() { this.removeAllListeners(); this.xo.close(); }; module.exports = InfoAjax; }).call(this,{ env: {} }) },{"./utils/object":49,"debug":55,"events":3,"inherits":57,"json3":58}],10:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , EventEmitter = require('events').EventEmitter , JSON3 = require('json3') , XHRLocalObject = require('./transport/sender/xhr-local') , InfoAjax = require('./info-ajax') ; function InfoReceiverIframe(transUrl) { var self = this; EventEmitter.call(this); this.ir = new InfoAjax(transUrl, XHRLocalObject); this.ir.once('finish', function(info, rtt) { self.ir = null; self.emit('message', JSON3.stringify([info, rtt])); }); } inherits(InfoReceiverIframe, EventEmitter); InfoReceiverIframe.transportName = 'iframe-info-receiver'; InfoReceiverIframe.prototype.close = function() { if (this.ir) { this.ir.close(); this.ir = null; } this.removeAllListeners(); }; module.exports = InfoReceiverIframe; },{"./info-ajax":9,"./transport/sender/xhr-local":37,"events":3,"inherits":57,"json3":58}],11:[function(require,module,exports){ (function (process,global){ 'use strict'; var EventEmitter = require('events').EventEmitter , inherits = require('inherits') , JSON3 = require('json3') , utils = require('./utils/event') , IframeTransport = require('./transport/iframe') , InfoReceiverIframe = require('./info-iframe-receiver') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:info-iframe'); } function InfoIframe(baseUrl, url) { var self = this; EventEmitter.call(this); var go = function() { var ifr = self.ifr = new IframeTransport(InfoReceiverIframe.transportName, url, baseUrl); ifr.once('message', function(msg) { if (msg) { var d; try { d = JSON3.parse(msg); } catch (e) { debug('bad json', msg); self.emit('finish'); self.close(); return; } var info = d[0], rtt = d[1]; self.emit('finish', info, rtt); } self.close(); }); ifr.once('close', function() { self.emit('finish'); self.close(); }); }; // TODO this seems the same as the 'needBody' from transports if (!global.document.body) { utils.attachEvent('load', go); } else { go(); } } inherits(InfoIframe, EventEmitter); InfoIframe.enabled = function() { return IframeTransport.enabled(); }; InfoIframe.prototype.close = function() { if (this.ifr) { this.ifr.close(); } this.removeAllListeners(); this.ifr = null; }; module.exports = InfoIframe; }).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./info-iframe-receiver":10,"./transport/iframe":22,"./utils/event":46,"debug":55,"events":3,"inherits":57,"json3":58}],12:[function(require,module,exports){ (function (process){ 'use strict'; var EventEmitter = require('events').EventEmitter , inherits = require('inherits') , urlUtils = require('./utils/url') , XDR = require('./transport/sender/xdr') , XHRCors = require('./transport/sender/xhr-cors') , XHRLocal = require('./transport/sender/xhr-local') , XHRFake = require('./transport/sender/xhr-fake') , InfoIframe = require('./info-iframe') , InfoAjax = require('./info-ajax') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:info-receiver'); } function InfoReceiver(baseUrl, urlInfo) { debug(baseUrl); var self = this; EventEmitter.call(this); setTimeout(function() { self.doXhr(baseUrl, urlInfo); }, 0); } inherits(InfoReceiver, EventEmitter); // TODO this is currently ignoring the list of available transports and the whitelist InfoReceiver._getReceiver = function(baseUrl, url, urlInfo) { // determine method of CORS support (if needed) if (urlInfo.sameOrigin) { return new InfoAjax(url, XHRLocal); } if (XHRCors.enabled) { return new InfoAjax(url, XHRCors); } if (XDR.enabled && urlInfo.sameScheme) { return new InfoAjax(url, XDR); } if (InfoIframe.enabled()) { return new InfoIframe(baseUrl, url); } return new InfoAjax(url, XHRFake); }; InfoReceiver.prototype.doXhr = function(baseUrl, urlInfo) { var self = this , url = urlUtils.addPath(baseUrl, '/info') ; debug('doXhr', url); this.xo = InfoReceiver._getReceiver(baseUrl, url, urlInfo); this.timeoutRef = setTimeout(function() { debug('timeout'); self._cleanup(false); self.emit('finish'); }, InfoReceiver.timeout); this.xo.once('finish', function(info, rtt) { debug('finish', info, rtt); self._cleanup(true); self.emit('finish', info, rtt); }); }; InfoReceiver.prototype._cleanup = function(wasClean) { debug('_cleanup'); clearTimeout(this.timeoutRef); this.timeoutRef = null; if (!wasClean && this.xo) { this.xo.close(); } this.xo = null; }; InfoReceiver.prototype.close = function() { debug('close'); this.removeAllListeners(); this._cleanup(false); }; InfoReceiver.timeout = 8000; module.exports = InfoReceiver; }).call(this,{ env: {} }) },{"./info-ajax":9,"./info-iframe":11,"./transport/sender/xdr":34,"./transport/sender/xhr-cors":35,"./transport/sender/xhr-fake":36,"./transport/sender/xhr-local":37,"./utils/url":52,"debug":55,"events":3,"inherits":57}],13:[function(require,module,exports){ (function (global){ 'use strict'; module.exports = global.location || { origin: 'http://localhost:80' , protocol: 'http:' , host: 'localhost' , port: 80 , href: 'http://localhost/' , hash: '' }; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],14:[function(require,module,exports){ (function (process,global){ 'use strict'; require('./shims'); var URL = require('url-parse') , inherits = require('inherits') , JSON3 = require('json3') , random = require('./utils/random') , escape = require('./utils/escape') , urlUtils = require('./utils/url') , eventUtils = require('./utils/event') , transport = require('./utils/transport') , objectUtils = require('./utils/object') , browser = require('./utils/browser') , log = require('./utils/log') , Event = require('./event/event') , EventTarget = require('./event/eventtarget') , loc = require('./location') , CloseEvent = require('./event/close') , TransportMessageEvent = require('./event/trans-message') , InfoReceiver = require('./info-receiver') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:main'); } var transports; // follow constructor steps defined at http://dev.w3.org/html5/websockets/#the-websocket-interface function SockJS(url, protocols, options) { if (!(this instanceof SockJS)) { return new SockJS(url, protocols, options); } if (arguments.length < 1) { throw new TypeError("Failed to construct 'SockJS: 1 argument required, but only 0 present"); } EventTarget.call(this); this.readyState = SockJS.CONNECTING; this.extensions = ''; this.protocol = ''; // non-standard extension options = options || {}; if (options.protocols_whitelist) { log.warn("'protocols_whitelist' is DEPRECATED. Use 'transports' instead."); } this._transportsWhitelist = options.transports; this._transportOptions = options.transportOptions || {}; this._timeout = options.timeout || 0; var sessionId = options.sessionId || 8; if (typeof sessionId === 'function') { this._generateSessionId = sessionId; } else if (typeof sessionId === 'number') { this._generateSessionId = function() { return random.string(sessionId); }; } else { throw new TypeError('If sessionId is used in the options, it needs to be a number or a function.'); } this._server = options.server || random.numberString(1000); // Step 1 of WS spec - parse and validate the url. Issue #8 var parsedUrl = new URL(url); if (!parsedUrl.host || !parsedUrl.protocol) { throw new SyntaxError("The URL '" + url + "' is invalid"); } else if (parsedUrl.hash) { throw new SyntaxError('The URL must not contain a fragment'); } else if (parsedUrl.protocol !== 'http:' && parsedUrl.protocol !== 'https:') { throw new SyntaxError("The URL's scheme must be either 'http:' or 'https:'. '" + parsedUrl.protocol + "' is not allowed."); } var secure = parsedUrl.protocol === 'https:'; // Step 2 - don't allow secure origin with an insecure protocol if (loc.protocol === 'https:' && !secure) { throw new Error('SecurityError: An insecure SockJS connection may not be initiated from a page loaded over HTTPS'); } // Step 3 - check port access - no need here // Step 4 - parse protocols argument if (!protocols) { protocols = []; } else if (!Array.isArray(protocols)) { protocols = [protocols]; } // Step 5 - check protocols argument var sortedProtocols = protocols.sort(); sortedProtocols.forEach(function(proto, i) { if (!proto) { throw new SyntaxError("The protocols entry '" + proto + "' is invalid."); } if (i < (sortedProtocols.length - 1) && proto === sortedProtocols[i + 1]) { throw new SyntaxError("The protocols entry '" + proto + "' is duplicated."); } }); // Step 6 - convert origin var o = urlUtils.getOrigin(loc.href); this._origin = o ? o.toLowerCase() : null; // remove the trailing slash parsedUrl.set('pathname', parsedUrl.pathname.replace(/\/+$/, '')); // store the sanitized url this.url = parsedUrl.href; debug('using url', this.url); // Step 7 - start connection in background // obtain server info // http://sockjs.github.io/sockjs-protocol/sockjs-protocol-0.3.3.html#section-26 this._urlInfo = { nullOrigin: !browser.hasDomain() , sameOrigin: urlUtils.isOriginEqual(this.url, loc.href) , sameScheme: urlUtils.isSchemeEqual(this.url, loc.href) }; this._ir = new InfoReceiver(this.url, this._urlInfo); this._ir.once('finish', this._receiveInfo.bind(this)); } inherits(SockJS, EventTarget); function userSetCode(code) { return code === 1000 || (code >= 3000 && code <= 4999); } SockJS.prototype.close = function(code, reason) { // Step 1 if (code && !userSetCode(code)) { throw new Error('InvalidAccessError: Invalid code'); } // Step 2.4 states the max is 123 bytes, but we are just checking length if (reason && reason.length > 123) { throw new SyntaxError('reason argument has an invalid length'); } // Step 3.1 if (this.readyState === SockJS.CLOSING || this.readyState === SockJS.CLOSED) { return; } // TODO look at docs to determine how to set this var wasClean = true; this._close(code || 1000, reason || 'Normal closure', wasClean); }; SockJS.prototype.send = function(data) { // #13 - convert anything non-string to string // TODO this currently turns objects into [object Object] if (typeof data !== 'string') { data = '' + data; } if (this.readyState === SockJS.CONNECTING) { throw new Error('InvalidStateError: The connection has not been established yet'); } if (this.readyState !== SockJS.OPEN) { return; } this._transport.send(escape.quote(data)); }; SockJS.version = require('./version'); SockJS.CONNECTING = 0; SockJS.OPEN = 1; SockJS.CLOSING = 2; SockJS.CLOSED = 3; SockJS.prototype._receiveInfo = function(info, rtt) { debug('_receiveInfo', rtt); this._ir = null; if (!info) { this._close(1002, 'Cannot connect to server'); return; } // establish a round-trip timeout (RTO) based on the // round-trip time (RTT) this._rto = this.countRTO(rtt); // allow server to override url used for the actual transport this._transUrl = info.base_url ? info.base_url : this.url; info = objectUtils.extend(info, this._urlInfo); debug('info', info); // determine list of desired and supported transports var enabledTransports = transports.filterToEnabled(this._transportsWhitelist, info); this._transports = enabledTransports.main; debug(this._transports.length + ' enabled transports'); this._connect(); }; SockJS.prototype._connect = function() { for (var Transport = this._transports.shift(); Transport; Transport = this._transports.shift()) { debug('attempt', Transport.transportName); if (Transport.needBody) { if (!global.document.body || (typeof global.document.readyState !== 'undefined' && global.document.readyState !== 'complete' && global.document.readyState !== 'interactive')) { debug('waiting for body'); this._transports.unshift(Transport); eventUtils.attachEvent('load', this._connect.bind(this)); return; } } // calculate timeout based on RTO and round trips. Default to 5s var timeoutMs = Math.max(this._timeout, (this._rto * Transport.roundTrips) || 5000); this._transportTimeoutId = setTimeout(this._transportTimeout.bind(this), timeoutMs); debug('using timeout', timeoutMs); var transportUrl = urlUtils.addPath(this._transUrl, '/' + this._server + '/' + this._generateSessionId()); var options = this._transportOptions[Transport.transportName]; debug('transport url', transportUrl); var transportObj = new Transport(transportUrl, this._transUrl, options); transportObj.on('message', this._transportMessage.bind(this)); transportObj.once('close', this._transportClose.bind(this)); transportObj.transportName = Transport.transportName; this._transport = transportObj; return; } this._close(2000, 'All transports failed', false); }; SockJS.prototype._transportTimeout = function() { debug('_transportTimeout'); if (this.readyState === SockJS.CONNECTING) { if (this._transport) { this._transport.close(); } this._transportClose(2007, 'Transport timed out'); } }; SockJS.prototype._transportMessage = function(msg) { debug('_transportMessage', msg); var self = this , type = msg.slice(0, 1) , content = msg.slice(1) , payload ; // first check for messages that don't need a payload switch (type) { case 'o': this._open(); return; case 'h': this.dispatchEvent(new Event('heartbeat')); debug('heartbeat', this.transport); return; } if (content) { try { payload = JSON3.parse(content); } catch (e) { debug('bad json', content); } } if (typeof payload === 'undefined') { debug('empty payload', content); return; } switch (type) { case 'a': if (Array.isArray(payload)) { payload.forEach(function(p) { debug('message', self.transport, p); self.dispatchEvent(new TransportMessageEvent(p)); }); } break; case 'm': debug('message', this.transport, payload); this.dispatchEvent(new TransportMessageEvent(payload)); break; case 'c': if (Array.isArray(payload) && payload.length === 2) { this._close(payload[0], payload[1], true); } break; } }; SockJS.prototype._transportClose = function(code, reason) { debug('_transportClose', this.transport, code, reason); if (this._transport) { this._transport.removeAllListeners(); this._transport = null; this.transport = null; } if (!userSetCode(code) && code !== 2000 && this.readyState === SockJS.CONNECTING) { this._connect(); return; } this._close(code, reason); }; SockJS.prototype._open = function() { debug('_open', this._transport && this._transport.transportName, this.readyState); if (this.readyState === SockJS.CONNECTING) { if (this._transportTimeoutId) { clearTimeout(this._transportTimeoutId); this._transportTimeoutId = null; } this.readyState = SockJS.OPEN; this.transport = this._transport.transportName; this.dispatchEvent(new Event('open')); debug('connected', this.transport); } else { // The server might have been restarted, and lost track of our // connection. this._close(1006, 'Server lost session'); } }; SockJS.prototype._close = function(code, reason, wasClean) { debug('_close', this.transport, code, reason, wasClean, this.readyState); var forceFail = false; if (this._ir) { forceFail = true; this._ir.close(); this._ir = null; } if (this._transport) { this._transport.close(); this._transport = null; this.transport = null; } if (this.readyState === SockJS.CLOSED) { throw new Error('InvalidStateError: SockJS has already been closed'); } this.readyState = SockJS.CLOSING; setTimeout(function() { this.readyState = SockJS.CLOSED; if (forceFail) { this.dispatchEvent(new Event('error')); } var e = new CloseEvent('close'); e.wasClean = wasClean || false; e.code = code || 1000; e.reason = reason; this.dispatchEvent(e); this.onmessage = this.onclose = this.onerror = null; debug('disconnected'); }.bind(this), 0); }; // See: http://www.erg.abdn.ac.uk/~gerrit/dccp/notes/ccid2/rto_estimator/ // and RFC 2988. SockJS.prototype.countRTO = function(rtt) { // In a local environment, when using IE8/9 and the `jsonp-polling` // transport the time needed to establish a connection (the time that pass // from the opening of the transport to the call of `_dispatchOpen`) is // around 200msec (the lower bound used in the article above) and this // causes spurious timeouts. For this reason we calculate a value slightly // larger than that used in the article. if (rtt > 100) { return 4 * rtt; // rto > 400msec } return 300 + rtt; // 300msec < rto <= 400msec }; module.exports = function(availableTransports) { transports = transport(availableTransports); require('./iframe-bootstrap')(SockJS, availableTransports); return SockJS; }; }).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./event/close":2,"./event/event":4,"./event/eventtarget":5,"./event/trans-message":6,"./iframe-bootstrap":8,"./info-receiver":12,"./location":13,"./shims":15,"./utils/browser":44,"./utils/escape":45,"./utils/event":46,"./utils/log":48,"./utils/object":49,"./utils/random":50,"./utils/transport":51,"./utils/url":52,"./version":53,"debug":55,"inherits":57,"json3":58,"url-parse":61}],15:[function(require,module,exports){ /* eslint-disable */ /* jscs: disable */ 'use strict'; // pulled specific shims from https://github.com/es-shims/es5-shim var ArrayPrototype = Array.prototype; var ObjectPrototype = Object.prototype; var FunctionPrototype = Function.prototype; var StringPrototype = String.prototype; var array_slice = ArrayPrototype.slice; var _toString = ObjectPrototype.toString; var isFunction = function (val) { return ObjectPrototype.toString.call(val) === '[object Function]'; }; var isArray = function isArray(obj) { return _toString.call(obj) === '[object Array]'; }; var isString = function isString(obj) { return _toString.call(obj) === '[object String]'; }; var supportsDescriptors = Object.defineProperty && (function () { try { Object.defineProperty({}, 'x', {}); return true; } catch (e) { /* this is ES3 */ return false; } }()); // Define configurable, writable and non-enumerable props // if they don't exist. var defineProperty; if (supportsDescriptors) { defineProperty = function (object, name, method, forceAssign) { if (!forceAssign && (name in object)) { return; } Object.defineProperty(object, name, { configurable: true, enumerable: false, writable: true, value: method }); }; } else { defineProperty = function (object, name, method, forceAssign) { if (!forceAssign && (name in object)) { return; } object[name] = method; }; } var defineProperties = function (object, map, forceAssign) { for (var name in map) { if (ObjectPrototype.hasOwnProperty.call(map, name)) { defineProperty(object, name, map[name], forceAssign); } } }; var toObject = function (o) { if (o == null) { // this matches both null and undefined throw new TypeError("can't convert " + o + ' to object'); } return Object(o); }; // // Util // ====== // // ES5 9.4 // http://es5.github.com/#x9.4 // http://jsperf.com/to-integer function toInteger(num) { var n = +num; if (n !== n) { // isNaN n = 0; } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) { n = (n > 0 || -1) * Math.floor(Math.abs(n)); } return n; } function ToUint32(x) { return x >>> 0; } // // Function // ======== // // ES-5 15.3.4.5 // http://es5.github.com/#x15.3.4.5 function Empty() {} defineProperties(FunctionPrototype, { bind: function bind(that) { // .length is 1 // 1. Let Target be the this value. var target = this; // 2. If IsCallable(Target) is false, throw a TypeError exception. if (!isFunction(target)) { throw new TypeError('Function.prototype.bind called on incompatible ' + target); } // 3. Let A be a new (possibly empty) internal list of all of the // argument values provided after thisArg (arg1, arg2 etc), in order. // XXX slicedArgs will stand in for "A" if used var args = array_slice.call(arguments, 1); // for normal call // 4. Let F be a new native ECMAScript object. // 11. Set the [[Prototype]] internal property of F to the standard // built-in Function prototype object as specified in 15.3.3.1. // 12. Set the [[Call]] internal property of F as described in // 15.3.4.5.1. // 13. Set the [[Construct]] internal property of F as described in // 15.3.4.5.2. // 14. Set the [[HasInstance]] internal property of F as described in // 15.3.4.5.3. var binder = function () { if (this instanceof bound) { // 15.3.4.5.2 [[Construct]] // When the [[Construct]] internal method of a function object, // F that was created using the bind function is called with a // list of arguments ExtraArgs, the following steps are taken: // 1. Let target be the value of F's [[TargetFunction]] // internal property. // 2. If target has no [[Construct]] internal method, a // TypeError exception is thrown. // 3. Let boundArgs be the value of F's [[BoundArgs]] internal // property. // 4. Let args be a new list containing the same values as the // list boundArgs in the same order followed by the same // values as the list ExtraArgs in the same order. // 5. Return the result of calling the [[Construct]] internal // method of target providing args as the arguments. var result = target.apply( this, args.concat(array_slice.call(arguments)) ); if (Object(result) === result) { return result; } return this; } else { // 15.3.4.5.1 [[Call]] // When the [[Call]] internal method of a function object, F, // which was created using the bind function is called with a // this value and a list of arguments ExtraArgs, the following // steps are taken: // 1. Let boundArgs be the value of F's [[BoundArgs]] internal // property. // 2. Let boundThis be the value of F's [[BoundThis]] internal // property. // 3. Let target be the value of F's [[TargetFunction]] internal // property. // 4. Let args be a new list containing the same values as the // list boundArgs in the same order followed by the same // values as the list ExtraArgs in the same order. // 5. Return the result of calling the [[Call]] internal method // of target providing boundThis as the this value and // providing args as the arguments. // equiv: target.call(this, ...boundArgs, ...args) return target.apply( that, args.concat(array_slice.call(arguments)) ); } }; // 15. If the [[Class]] internal property of Target is "Function", then // a. Let L be the length property of Target minus the length of A. // b. Set the length own property of F to either 0 or L, whichever is // larger. // 16. Else set the length own property of F to 0. var boundLength = Math.max(0, target.length - args.length); // 17. Set the attributes of the length own property of F to the values // specified in 15.3.5.1. var boundArgs = []; for (var i = 0; i < boundLength; i++) { boundArgs.push('$' + i); } // XXX Build a dynamic function with desired amount of arguments is the only // way to set the length property of a function. // In environments where Content Security Policies enabled (Chrome extensions, // for ex.) all use of eval or Function costructor throws an exception. // However in all of these environments Function.prototype.bind exists // and so this code will never be executed. var bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder); if (target.prototype) { Empty.prototype = target.prototype; bound.prototype = new Empty(); // Clean up dangling references. Empty.prototype = null; } // TODO // 18. Set the [[Extensible]] internal property of F to true. // TODO // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3). // 20. Call the [[DefineOwnProperty]] internal method of F with // arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]: // thrower, [[Enumerable]]: false, [[Configurable]]: false}, and // false. // 21. Call the [[DefineOwnProperty]] internal method of F with // arguments "arguments", PropertyDescriptor {[[Get]]: thrower, // [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false}, // and false. // TODO // NOTE Function objects created using Function.prototype.bind do not // have a prototype property or the [[Code]], [[FormalParameters]], and // [[Scope]] internal properties. // XXX can't delete prototype in pure-js. // 22. Return F. return bound; } }); // // Array // ===== // // ES5 15.4.3.2 // http://es5.github.com/#x15.4.3.2 // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray defineProperties(Array, { isArray: isArray }); var boxedString = Object('a'); var splitString = boxedString[0] !== 'a' || !(0 in boxedString); var properlyBoxesContext = function properlyBoxed(method) { // Check node 0.6.21 bug where third parameter is not boxed var properlyBoxesNonStrict = true; var properlyBoxesStrict = true; if (method) { method.call('foo', function (_, __, context) { if (typeof context !== 'object') { properlyBoxesNonStrict = false; } }); method.call([1], function () { 'use strict'; properlyBoxesStrict = typeof this === 'string'; }, 'x'); } return !!method && properlyBoxesNonStrict && properlyBoxesStrict; }; defineProperties(ArrayPrototype, { forEach: function forEach(fun /*, thisp*/) { var object = toObject(this), self = splitString && isString(this) ? this.split('') : object, thisp = arguments[1], i = -1, length = self.length >>> 0; // If no callback function or if callback is not a callable function if (!isFunction(fun)) { throw new TypeError(); // TODO message } while (++i < length) { if (i in self) { // Invoke the callback function with call, passing arguments: // context, property value, property key, thisArg object // context fun.call(thisp, self[i], i, object); } } } }, !properlyBoxesContext(ArrayPrototype.forEach)); // ES5 15.4.4.14 // http://es5.github.com/#x15.4.4.14 // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf var hasFirefox2IndexOfBug = Array.prototype.indexOf && [0, 1].indexOf(1, 2) !== -1; defineProperties(ArrayPrototype, { indexOf: function indexOf(sought /*, fromIndex */ ) { var self = splitString && isString(this) ? this.split('') : toObject(this), length = self.length >>> 0; if (!length) { return -1; } var i = 0; if (arguments.length > 1) { i = toInteger(arguments[1]); } // handle negative indices i = i >= 0 ? i : Math.max(0, length + i); for (; i < length; i++) { if (i in self && self[i] === sought) { return i; } } return -1; } }, hasFirefox2IndexOfBug); // // String // ====== // // ES5 15.5.4.14 // http://es5.github.com/#x15.5.4.14 // [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers] // Many browsers do not split properly with regular expressions or they // do not perform the split correctly under obscure conditions. // See http://blog.stevenlevithan.com/archives/cross-browser-split // I've tested in many browsers and this seems to cover the deviant ones: // 'ab'.split(/(?:ab)*/) should be ["", ""], not [""] // '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""] // 'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not // [undefined, "t", undefined, "e", ...] // ''.split(/.?/) should be [], not [""] // '.'.split(/()()/) should be ["."], not ["", "", "."] var string_split = StringPrototype.split; if ( 'ab'.split(/(?:ab)*/).length !== 2 || '.'.split(/(.?)(.?)/).length !== 4 || 'tesst'.split(/(s)*/)[1] === 't' || 'test'.split(/(?:)/, -1).length !== 4 || ''.split(/.?/).length || '.'.split(/()()/).length > 1 ) { (function () { var compliantExecNpcg = /()??/.exec('')[1] === void 0; // NPCG: nonparticipating capturing group StringPrototype.split = function (separator, limit) { var string = this; if (separator === void 0 && limit === 0) { return []; } // If `separator` is not a regex, use native split if (_toString.call(separator) !== '[object RegExp]') { return string_split.call(this, separator, limit); } var output = [], flags = (separator.ignoreCase ? 'i' : '') + (separator.multiline ? 'm' : '') + (separator.extended ? 'x' : '') + // Proposed for ES6 (separator.sticky ? 'y' : ''), // Firefox 3+ lastLastIndex = 0, // Make `global` and avoid `lastIndex` issues by working with a copy separator2, match, lastIndex, lastLength; separator = new RegExp(separator.source, flags + 'g'); string += ''; // Type-convert if (!compliantExecNpcg) { // Doesn't need flags gy, but they don't hurt separator2 = new RegExp('^' + separator.source + '$(?!\\s)', flags); } /* Values for `limit`, per the spec: * If undefined: 4294967295 // Math.pow(2, 32) - 1 * If 0, Infinity, or NaN: 0 * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296; * If negative number: 4294967296 - Math.floor(Math.abs(limit)) * If other: Type-convert, then use the above rules */ limit = limit === void 0 ? -1 >>> 0 : // Math.pow(2, 32) - 1 ToUint32(limit); while (match = separator.exec(string)) { // `separator.lastIndex` is not reliable cross-browser lastIndex = match.index + match[0].length; if (lastIndex > lastLastIndex) { output.push(string.slice(lastLastIndex, match.index)); // Fix browsers whose `exec` methods don't consistently return `undefined` for // nonparticipating capturing groups if (!compliantExecNpcg && match.length > 1) { match[0].replace(separator2, function () { for (var i = 1; i < arguments.length - 2; i++) { if (arguments[i] === void 0) { match[i] = void 0; } } }); } if (match.length > 1 && match.index < string.length) { ArrayPrototype.push.apply(output, match.slice(1)); } lastLength = match[0].length; lastLastIndex = lastIndex; if (output.length >= limit) { break; } } if (separator.lastIndex === match.index) { separator.lastIndex++; // Avoid an infinite loop } } if (lastLastIndex === string.length) { if (lastLength || !separator.test('')) { output.push(''); } } else { output.push(string.slice(lastLastIndex)); } return output.length > limit ? output.slice(0, limit) : output; }; }()); // [bugfix, chrome] // If separator is undefined, then the result array contains just one String, // which is the this value (converted to a String). If limit is not undefined, // then the output array is truncated so that it contains no more than limit // elements. // "0".split(undefined, 0) -> [] } else if ('0'.split(void 0, 0).length) { StringPrototype.split = function split(separator, limit) { if (separator === void 0 && limit === 0) { return []; } return string_split.call(this, separator, limit); }; } // ECMA-262, 3rd B.2.3 // Not an ECMAScript standard, although ECMAScript 3rd Edition has a // non-normative section suggesting uniform semantics and it should be // normalized across all browsers // [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE var string_substr = StringPrototype.substr; var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b'; defineProperties(StringPrototype, { substr: function substr(start, length) { return string_substr.call( this, start < 0 ? ((start = this.length + start) < 0 ? 0 : start) : start, length ); } }, hasNegativeSubstrBug); },{}],16:[function(require,module,exports){ 'use strict'; module.exports = [ // streaming transports require('./transport/websocket') , require('./transport/xhr-streaming') , require('./transport/xdr-streaming') , require('./transport/eventsource') , require('./transport/lib/iframe-wrap')(require('./transport/eventsource')) // polling transports , require('./transport/htmlfile') , require('./transport/lib/iframe-wrap')(require('./transport/htmlfile')) , require('./transport/xhr-polling') , require('./transport/xdr-polling') , require('./transport/lib/iframe-wrap')(require('./transport/xhr-polling')) , require('./transport/jsonp-polling') ]; },{"./transport/eventsource":20,"./transport/htmlfile":21,"./transport/jsonp-polling":23,"./transport/lib/iframe-wrap":26,"./transport/websocket":38,"./transport/xdr-polling":39,"./transport/xdr-streaming":40,"./transport/xhr-polling":41,"./transport/xhr-streaming":42}],17:[function(require,module,exports){ (function (process,global){ 'use strict'; var EventEmitter = require('events').EventEmitter , inherits = require('inherits') , utils = require('../../utils/event') , urlUtils = require('../../utils/url') , XHR = global.XMLHttpRequest ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:browser:xhr'); } function AbstractXHRObject(method, url, payload, opts) { debug(method, url); var self = this; EventEmitter.call(this); setTimeout(function () { self._start(method, url, payload, opts); }, 0); } inherits(AbstractXHRObject, EventEmitter); AbstractXHRObject.prototype._start = function(method, url, payload, opts) { var self = this; try { this.xhr = new XHR(); } catch (x) { // intentionally empty } if (!this.xhr) { debug('no xhr'); this.emit('finish', 0, 'no xhr support'); this._cleanup(); return; } // several browsers cache POSTs url = urlUtils.addQuery(url, 't=' + (+new Date())); // Explorer tends to keep connection open, even after the // tab gets closed: http://bugs.jquery.com/ticket/5280 this.unloadRef = utils.unloadAdd(function() { debug('unload cleanup'); self._cleanup(true); }); try { this.xhr.open(method, url, true); if (this.timeout && 'timeout' in this.xhr) { this.xhr.timeout = this.timeout; this.xhr.ontimeout = function() { debug('xhr timeout'); self.emit('finish', 0, ''); self._cleanup(false); }; } } catch (e) { debug('exception', e); // IE raises an exception on wrong port. this.emit('finish', 0, ''); this._cleanup(false); return; } if ((!opts || !opts.noCredentials) && AbstractXHRObject.supportsCORS) { debug('withCredentials'); // Mozilla docs says https://developer.mozilla.org/en/XMLHttpRequest : // "This never affects same-site requests." this.xhr.withCredentials = true; } if (opts && opts.headers) { for (var key in opts.headers) { this.xhr.setRequestHeader(key, opts.headers[key]); } } this.xhr.onreadystatechange = function() { if (self.xhr) { var x = self.xhr; var text, status; debug('readyState', x.readyState); switch (x.readyState) { case 3: // IE doesn't like peeking into responseText or status // on Microsoft.XMLHTTP and readystate=3 try { status = x.status; text = x.responseText; } catch (e) { // intentionally empty } debug('status', status); // IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450 if (status === 1223) { status = 204; } // IE does return readystate == 3 for 404 answers. if (status === 200 && text && text.length > 0) { debug('chunk'); self.emit('chunk', status, text); } break; case 4: status = x.status; debug('status', status); // IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450 if (status === 1223) { status = 204; } // IE returns this for a bad port // http://msdn.microsoft.com/en-us/library/windows/desktop/aa383770(v=vs.85).aspx if (status === 12005 || status === 12029) { status = 0; } debug('finish', status, x.responseText); self.emit('finish', status, x.responseText); self._cleanup(false); break; } } }; try { self.xhr.send(payload); } catch (e) { self.emit('finish', 0, ''); self._cleanup(false); } }; AbstractXHRObject.prototype._cleanup = function(abort) { debug('cleanup'); if (!this.xhr) { return; } this.removeAllListeners(); utils.unloadDel(this.unloadRef); // IE needs this field to be a function this.xhr.onreadystatechange = function() {}; if (this.xhr.ontimeout) { this.xhr.ontimeout = null; } if (abort) { try { this.xhr.abort(); } catch (x) { // intentionally empty } } this.unloadRef = this.xhr = null; }; AbstractXHRObject.prototype.close = function() { debug('close'); this._cleanup(true); }; AbstractXHRObject.enabled = !!XHR; // override XMLHttpRequest for IE6/7 // obfuscate to avoid firewalls var axo = ['Active'].concat('Object').join('X'); if (!AbstractXHRObject.enabled && (axo in global)) { debug('overriding xmlhttprequest'); XHR = function() { try { return new global[axo]('Microsoft.XMLHTTP'); } catch (e) { return null; } }; AbstractXHRObject.enabled = !!new XHR(); } var cors = false; try { cors = 'withCredentials' in new XHR(); } catch (ignored) { // intentionally empty } AbstractXHRObject.supportsCORS = cors; module.exports = AbstractXHRObject; }).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"../../utils/event":46,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],18:[function(require,module,exports){ (function (global){ module.exports = global.EventSource; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],19:[function(require,module,exports){ (function (global){ 'use strict'; var Driver = global.WebSocket || global.MozWebSocket; if (Driver) { module.exports = function WebSocketBrowserDriver(url) { return new Driver(url); }; } else { module.exports = undefined; } }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],20:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , AjaxBasedTransport = require('./lib/ajax-based') , EventSourceReceiver = require('./receiver/eventsource') , XHRCorsObject = require('./sender/xhr-cors') , EventSourceDriver = require('eventsource') ; function EventSourceTransport(transUrl) { if (!EventSourceTransport.enabled()) { throw new Error('Transport created when disabled'); } AjaxBasedTransport.call(this, transUrl, '/eventsource', EventSourceReceiver, XHRCorsObject); } inherits(EventSourceTransport, AjaxBasedTransport); EventSourceTransport.enabled = function() { return !!EventSourceDriver; }; EventSourceTransport.transportName = 'eventsource'; EventSourceTransport.roundTrips = 2; module.exports = EventSourceTransport; },{"./lib/ajax-based":24,"./receiver/eventsource":29,"./sender/xhr-cors":35,"eventsource":18,"inherits":57}],21:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , HtmlfileReceiver = require('./receiver/htmlfile') , XHRLocalObject = require('./sender/xhr-local') , AjaxBasedTransport = require('./lib/ajax-based') ; function HtmlFileTransport(transUrl) { if (!HtmlfileReceiver.enabled) { throw new Error('Transport created when disabled'); } AjaxBasedTransport.call(this, transUrl, '/htmlfile', HtmlfileReceiver, XHRLocalObject); } inherits(HtmlFileTransport, AjaxBasedTransport); HtmlFileTransport.enabled = function(info) { return HtmlfileReceiver.enabled && info.sameOrigin; }; HtmlFileTransport.transportName = 'htmlfile'; HtmlFileTransport.roundTrips = 2; module.exports = HtmlFileTransport; },{"./lib/ajax-based":24,"./receiver/htmlfile":30,"./sender/xhr-local":37,"inherits":57}],22:[function(require,module,exports){ (function (process){ 'use strict'; // Few cool transports do work only for same-origin. In order to make // them work cross-domain we shall use iframe, served from the // remote domain. New browsers have capabilities to communicate with // cross domain iframe using postMessage(). In IE it was implemented // from IE 8+, but of course, IE got some details wrong: // http://msdn.microsoft.com/en-us/library/cc197015(v=VS.85).aspx // http://stevesouders.com/misc/test-postmessage.php var inherits = require('inherits') , JSON3 = require('json3') , EventEmitter = require('events').EventEmitter , version = require('../version') , urlUtils = require('../utils/url') , iframeUtils = require('../utils/iframe') , eventUtils = require('../utils/event') , random = require('../utils/random') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:transport:iframe'); } function IframeTransport(transport, transUrl, baseUrl) { if (!IframeTransport.enabled()) { throw new Error('Transport created when disabled'); } EventEmitter.call(this); var self = this; this.origin = urlUtils.getOrigin(baseUrl); this.baseUrl = baseUrl; this.transUrl = transUrl; this.transport = transport; this.windowId = random.string(8); var iframeUrl = urlUtils.addPath(baseUrl, '/iframe.html') + '#' + this.windowId; debug(transport, transUrl, iframeUrl); this.iframeObj = iframeUtils.createIframe(iframeUrl, function(r) { debug('err callback'); self.emit('close', 1006, 'Unable to load an iframe (' + r + ')'); self.close(); }); this.onmessageCallback = this._message.bind(this); eventUtils.attachEvent('message', this.onmessageCallback); } inherits(IframeTransport, EventEmitter); IframeTransport.prototype.close = function() { debug('close'); this.removeAllListeners(); if (this.iframeObj) { eventUtils.detachEvent('message', this.onmessageCallback); try { // When the iframe is not loaded, IE raises an exception // on 'contentWindow'. this.postMessage('c'); } catch (x) { // intentionally empty } this.iframeObj.cleanup(); this.iframeObj = null; this.onmessageCallback = this.iframeObj = null; } }; IframeTransport.prototype._message = function(e) { debug('message', e.data); if (!urlUtils.isOriginEqual(e.origin, this.origin)) { debug('not same origin', e.origin, this.origin); return; } var iframeMessage; try { iframeMessage = JSON3.parse(e.data); } catch (ignored) { debug('bad json', e.data); return; } if (iframeMessage.windowId !== this.windowId) { debug('mismatched window id', iframeMessage.windowId, this.windowId); return; } switch (iframeMessage.type) { case 's': this.iframeObj.loaded(); // window global dependency this.postMessage('s', JSON3.stringify([ version , this.transport , this.transUrl , this.baseUrl ])); break; case 't': this.emit('message', iframeMessage.data); break; case 'c': var cdata; try { cdata = JSON3.parse(iframeMessage.data); } catch (ignored) { debug('bad json', iframeMessage.data); return; } this.emit('close', cdata[0], cdata[1]); this.close(); break; } }; IframeTransport.prototype.postMessage = function(type, data) { debug('postMessage', type, data); this.iframeObj.post(JSON3.stringify({ windowId: this.windowId , type: type , data: data || '' }), this.origin); }; IframeTransport.prototype.send = function(message) { debug('send', message); this.postMessage('m', message); }; IframeTransport.enabled = function() { return iframeUtils.iframeEnabled; }; IframeTransport.transportName = 'iframe'; IframeTransport.roundTrips = 2; module.exports = IframeTransport; }).call(this,{ env: {} }) },{"../utils/event":46,"../utils/iframe":47,"../utils/random":50,"../utils/url":52,"../version":53,"debug":55,"events":3,"inherits":57,"json3":58}],23:[function(require,module,exports){ (function (global){ 'use strict'; // The simplest and most robust transport, using the well-know cross // domain hack - JSONP. This transport is quite inefficient - one // message could use up to one http request. But at least it works almost // everywhere. // Known limitations: // o you will get a spinning cursor // o for Konqueror a dumb timer is needed to detect errors var inherits = require('inherits') , SenderReceiver = require('./lib/sender-receiver') , JsonpReceiver = require('./receiver/jsonp') , jsonpSender = require('./sender/jsonp') ; function JsonPTransport(transUrl) { if (!JsonPTransport.enabled()) { throw new Error('Transport created when disabled'); } SenderReceiver.call(this, transUrl, '/jsonp', jsonpSender, JsonpReceiver); } inherits(JsonPTransport, SenderReceiver); JsonPTransport.enabled = function() { return !!global.document; }; JsonPTransport.transportName = 'jsonp-polling'; JsonPTransport.roundTrips = 1; JsonPTransport.needBody = true; module.exports = JsonPTransport; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./lib/sender-receiver":28,"./receiver/jsonp":31,"./sender/jsonp":33,"inherits":57}],24:[function(require,module,exports){ (function (process){ 'use strict'; var inherits = require('inherits') , urlUtils = require('../../utils/url') , SenderReceiver = require('./sender-receiver') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:ajax-based'); } function createAjaxSender(AjaxObject) { return function(url, payload, callback) { debug('create ajax sender', url, payload); var opt = {}; if (typeof payload === 'string') { opt.headers = {'Content-type': 'text/plain'}; } var ajaxUrl = urlUtils.addPath(url, '/xhr_send'); var xo = new AjaxObject('POST', ajaxUrl, payload, opt); xo.once('finish', function(status) { debug('finish', status); xo = null; if (status !== 200 && status !== 204) { return callback(new Error('http status ' + status)); } callback(); }); return function() { debug('abort'); xo.close(); xo = null; var err = new Error('Aborted'); err.code = 1000; callback(err); }; }; } function AjaxBasedTransport(transUrl, urlSuffix, Receiver, AjaxObject) { SenderReceiver.call(this, transUrl, urlSuffix, createAjaxSender(AjaxObject), Receiver, AjaxObject); } inherits(AjaxBasedTransport, SenderReceiver); module.exports = AjaxBasedTransport; }).call(this,{ env: {} }) },{"../../utils/url":52,"./sender-receiver":28,"debug":55,"inherits":57}],25:[function(require,module,exports){ (function (process){ 'use strict'; var inherits = require('inherits') , EventEmitter = require('events').EventEmitter ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:buffered-sender'); } function BufferedSender(url, sender) { debug(url); EventEmitter.call(this); this.sendBuffer = []; this.sender = sender; this.url = url; } inherits(BufferedSender, EventEmitter); BufferedSender.prototype.send = function(message) { debug('send', message); this.sendBuffer.push(message); if (!this.sendStop) { this.sendSchedule(); } }; // For polling transports in a situation when in the message callback, // new message is being send. If the sending connection was started // before receiving one, it is possible to saturate the network and // timeout due to the lack of receiving socket. To avoid that we delay // sending messages by some small time, in order to let receiving // connection be started beforehand. This is only a halfmeasure and // does not fix the big problem, but it does make the tests go more // stable on slow networks. BufferedSender.prototype.sendScheduleWait = function() { debug('sendScheduleWait'); var self = this; var tref; this.sendStop = function() { debug('sendStop'); self.sendStop = null; clearTimeout(tref); }; tref = setTimeout(function() { debug('timeout'); self.sendStop = null; self.sendSchedule(); }, 25); }; BufferedSender.prototype.sendSchedule = function() { debug('sendSchedule', this.sendBuffer.length); var self = this; if (this.sendBuffer.length > 0) { var payload = '[' + this.sendBuffer.join(',') + ']'; this.sendStop = this.sender(this.url, payload, function(err) { self.sendStop = null; if (err) { debug('error', err); self.emit('close', err.code || 1006, 'Sending error: ' + err); self.close(); } else { self.sendScheduleWait(); } }); this.sendBuffer = []; } }; BufferedSender.prototype._cleanup = function() { debug('_cleanup'); this.removeAllListeners(); }; BufferedSender.prototype.close = function() { debug('close'); this._cleanup(); if (this.sendStop) { this.sendStop(); this.sendStop = null; } }; module.exports = BufferedSender; }).call(this,{ env: {} }) },{"debug":55,"events":3,"inherits":57}],26:[function(require,module,exports){ (function (global){ 'use strict'; var inherits = require('inherits') , IframeTransport = require('../iframe') , objectUtils = require('../../utils/object') ; module.exports = function(transport) { function IframeWrapTransport(transUrl, baseUrl) { IframeTransport.call(this, transport.transportName, transUrl, baseUrl); } inherits(IframeWrapTransport, IframeTransport); IframeWrapTransport.enabled = function(url, info) { if (!global.document) { return false; } var iframeInfo = objectUtils.extend({}, info); iframeInfo.sameOrigin = true; return transport.enabled(iframeInfo) && IframeTransport.enabled(); }; IframeWrapTransport.transportName = 'iframe-' + transport.transportName; IframeWrapTransport.needBody = true; IframeWrapTransport.roundTrips = IframeTransport.roundTrips + transport.roundTrips - 1; // html, javascript (2) + transport - no CORS (1) IframeWrapTransport.facadeTransport = transport; return IframeWrapTransport; }; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"../../utils/object":49,"../iframe":22,"inherits":57}],27:[function(require,module,exports){ (function (process){ 'use strict'; var inherits = require('inherits') , EventEmitter = require('events').EventEmitter ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:polling'); } function Polling(Receiver, receiveUrl, AjaxObject) { debug(receiveUrl); EventEmitter.call(this); this.Receiver = Receiver; this.receiveUrl = receiveUrl; this.AjaxObject = AjaxObject; this._scheduleReceiver(); } inherits(Polling, EventEmitter); Polling.prototype._scheduleReceiver = function() { debug('_scheduleReceiver'); var self = this; var poll = this.poll = new this.Receiver(this.receiveUrl, this.AjaxObject); poll.on('message', function(msg) { debug('message', msg); self.emit('message', msg); }); poll.once('close', function(code, reason) { debug('close', code, reason, self.pollIsClosing); self.poll = poll = null; if (!self.pollIsClosing) { if (reason === 'network') { self._scheduleReceiver(); } else { self.emit('close', code || 1006, reason); self.removeAllListeners(); } } }); }; Polling.prototype.abort = function() { debug('abort'); this.removeAllListeners(); this.pollIsClosing = true; if (this.poll) { this.poll.abort(); } }; module.exports = Polling; }).call(this,{ env: {} }) },{"debug":55,"events":3,"inherits":57}],28:[function(require,module,exports){ (function (process){ 'use strict'; var inherits = require('inherits') , urlUtils = require('../../utils/url') , BufferedSender = require('./buffered-sender') , Polling = require('./polling') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:sender-receiver'); } function SenderReceiver(transUrl, urlSuffix, senderFunc, Receiver, AjaxObject) { var pollUrl = urlUtils.addPath(transUrl, urlSuffix); debug(pollUrl); var self = this; BufferedSender.call(this, transUrl, senderFunc); this.poll = new Polling(Receiver, pollUrl, AjaxObject); this.poll.on('message', function(msg) { debug('poll message', msg); self.emit('message', msg); }); this.poll.once('close', function(code, reason) { debug('poll close', code, reason); self.poll = null; self.emit('close', code, reason); self.close(); }); } inherits(SenderReceiver, BufferedSender); SenderReceiver.prototype.close = function() { BufferedSender.prototype.close.call(this); debug('close'); this.removeAllListeners(); if (this.poll) { this.poll.abort(); this.poll = null; } }; module.exports = SenderReceiver; }).call(this,{ env: {} }) },{"../../utils/url":52,"./buffered-sender":25,"./polling":27,"debug":55,"inherits":57}],29:[function(require,module,exports){ (function (process){ 'use strict'; var inherits = require('inherits') , EventEmitter = require('events').EventEmitter , EventSourceDriver = require('eventsource') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:receiver:eventsource'); } function EventSourceReceiver(url) { debug(url); EventEmitter.call(this); var self = this; var es = this.es = new EventSourceDriver(url); es.onmessage = function(e) { debug('message', e.data); self.emit('message', decodeURI(e.data)); }; es.onerror = function(e) { debug('error', es.readyState, e); // ES on reconnection has readyState = 0 or 1. // on network error it's CLOSED = 2 var reason = (es.readyState !== 2 ? 'network' : 'permanent'); self._cleanup(); self._close(reason); }; } inherits(EventSourceReceiver, EventEmitter); EventSourceReceiver.prototype.abort = function() { debug('abort'); this._cleanup(); this._close('user'); }; EventSourceReceiver.prototype._cleanup = function() { debug('cleanup'); var es = this.es; if (es) { es.onmessage = es.onerror = null; es.close(); this.es = null; } }; EventSourceReceiver.prototype._close = function(reason) { debug('close', reason); var self = this; // Safari and chrome < 15 crash if we close window before // waiting for ES cleanup. See: // https://code.google.com/p/chromium/issues/detail?id=89155 setTimeout(function() { self.emit('close', null, reason); self.removeAllListeners(); }, 200); }; module.exports = EventSourceReceiver; }).call(this,{ env: {} }) },{"debug":55,"events":3,"eventsource":18,"inherits":57}],30:[function(require,module,exports){ (function (process,global){ 'use strict'; var inherits = require('inherits') , iframeUtils = require('../../utils/iframe') , urlUtils = require('../../utils/url') , EventEmitter = require('events').EventEmitter , random = require('../../utils/random') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:receiver:htmlfile'); } function HtmlfileReceiver(url) { debug(url); EventEmitter.call(this); var self = this; iframeUtils.polluteGlobalNamespace(); this.id = 'a' + random.string(6); url = urlUtils.addQuery(url, 'c=' + decodeURIComponent(iframeUtils.WPrefix + '.' + this.id)); debug('using htmlfile', HtmlfileReceiver.htmlfileEnabled); var constructFunc = HtmlfileReceiver.htmlfileEnabled ? iframeUtils.createHtmlfile : iframeUtils.createIframe; global[iframeUtils.WPrefix][this.id] = { start: function() { debug('start'); self.iframeObj.loaded(); } , message: function(data) { debug('message', data); self.emit('message', data); } , stop: function() { debug('stop'); self._cleanup(); self._close('network'); } }; this.iframeObj = constructFunc(url, function() { debug('callback'); self._cleanup(); self._close('permanent'); }); } inherits(HtmlfileReceiver, EventEmitter); HtmlfileReceiver.prototype.abort = function() { debug('abort'); this._cleanup(); this._close('user'); }; HtmlfileReceiver.prototype._cleanup = function() { debug('_cleanup'); if (this.iframeObj) { this.iframeObj.cleanup(); this.iframeObj = null; } delete global[iframeUtils.WPrefix][this.id]; }; HtmlfileReceiver.prototype._close = function(reason) { debug('_close', reason); this.emit('close', null, reason); this.removeAllListeners(); }; HtmlfileReceiver.htmlfileEnabled = false; // obfuscate to avoid firewalls var axo = ['Active'].concat('Object').join('X'); if (axo in global) { try { HtmlfileReceiver.htmlfileEnabled = !!new global[axo]('htmlfile'); } catch (x) { // intentionally empty } } HtmlfileReceiver.enabled = HtmlfileReceiver.htmlfileEnabled || iframeUtils.iframeEnabled; module.exports = HtmlfileReceiver; }).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"../../utils/iframe":47,"../../utils/random":50,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],31:[function(require,module,exports){ (function (process,global){ 'use strict'; var utils = require('../../utils/iframe') , random = require('../../utils/random') , browser = require('../../utils/browser') , urlUtils = require('../../utils/url') , inherits = require('inherits') , EventEmitter = require('events').EventEmitter ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:receiver:jsonp'); } function JsonpReceiver(url) { debug(url); var self = this; EventEmitter.call(this); utils.polluteGlobalNamespace(); this.id = 'a' + random.string(6); var urlWithId = urlUtils.addQuery(url, 'c=' + encodeURIComponent(utils.WPrefix + '.' + this.id)); global[utils.WPrefix][this.id] = this._callback.bind(this); this._createScript(urlWithId); // Fallback mostly for Konqueror - stupid timer, 35 seconds shall be plenty. this.timeoutId = setTimeout(function() { debug('timeout'); self._abort(new Error('JSONP script loaded abnormally (timeout)')); }, JsonpReceiver.timeout); } inherits(JsonpReceiver, EventEmitter); JsonpReceiver.prototype.abort = function() { debug('abort'); if (global[utils.WPrefix][this.id]) { var err = new Error('JSONP user aborted read'); err.code = 1000; this._abort(err); } }; JsonpReceiver.timeout = 35000; JsonpReceiver.scriptErrorTimeout = 1000; JsonpReceiver.prototype._callback = function(data) { debug('_callback', data); this._cleanup(); if (this.aborting) { return; } if (data) { debug('message', data); this.emit('message', data); } this.emit('close', null, 'network'); this.removeAllListeners(); }; JsonpReceiver.prototype._abort = function(err) { debug('_abort', err); this._cleanup(); this.aborting = true; this.emit('close', err.code, err.message); this.removeAllListeners(); }; JsonpReceiver.prototype._cleanup = function() { debug('_cleanup'); clearTimeout(this.timeoutId); if (this.script2) { this.script2.parentNode.removeChild(this.script2); this.script2 = null; } if (this.script) { var script = this.script; // Unfortunately, you can't really abort script loading of // the script. script.parentNode.removeChild(script); script.onreadystatechange = script.onerror = script.onload = script.onclick = null; this.script = null; } delete global[utils.WPrefix][this.id]; }; JsonpReceiver.prototype._scriptError = function() { debug('_scriptError'); var self = this; if (this.errorTimer) { return; } this.errorTimer = setTimeout(function() { if (!self.loadedOkay) { self._abort(new Error('JSONP script loaded abnormally (onerror)')); } }, JsonpReceiver.scriptErrorTimeout); }; JsonpReceiver.prototype._createScript = function(url) { debug('_createScript', url); var self = this; var script = this.script = global.document.createElement('script'); var script2; // Opera synchronous load trick. script.id = 'a' + random.string(8); script.src = url; script.type = 'text/javascript'; script.charset = 'UTF-8'; script.onerror = this._scriptError.bind(this); script.onload = function() { debug('onload'); self._abort(new Error('JSONP script loaded abnormally (onload)')); }; // IE9 fires 'error' event after onreadystatechange or before, in random order. // Use loadedOkay to determine if actually errored script.onreadystatechange = function() { debug('onreadystatechange', script.readyState); if (/loaded|closed/.test(script.readyState)) { if (script && script.htmlFor && script.onclick) { self.loadedOkay = true; try { // In IE, actually execute the script. script.onclick(); } catch (x) { // intentionally empty } } if (script) { self._abort(new Error('JSONP script loaded abnormally (onreadystatechange)')); } } }; // IE: event/htmlFor/onclick trick. // One can't rely on proper order for onreadystatechange. In order to // make sure, set a 'htmlFor' and 'event' properties, so that // script code will be installed as 'onclick' handler for the // script object. Later, onreadystatechange, manually execute this // code. FF and Chrome doesn't work with 'event' and 'htmlFor' // set. For reference see: // http://jaubourg.net/2010/07/loading-script-as-onclick-handler-of.html // Also, read on that about script ordering: // http://wiki.whatwg.org/wiki/Dynamic_Script_Execution_Order if (typeof script.async === 'undefined' && global.document.attachEvent) { // According to mozilla docs, in recent browsers script.async defaults // to 'true', so we may use it to detect a good browser: // https://developer.mozilla.org/en/HTML/Element/script if (!browser.isOpera()) { // Naively assume we're in IE try { script.htmlFor = script.id; script.event = 'onclick'; } catch (x) { // intentionally empty } script.async = true; } else { // Opera, second sync script hack script2 = this.script2 = global.document.createElement('script'); script2.text = "try{var a = document.getElementById('" + script.id + "'); if(a)a.onerror();}catch(x){};"; script.async = script2.async = false; } } if (typeof script.async !== 'undefined') { script.async = true; } var head = global.document.getElementsByTagName('head')[0]; head.insertBefore(script, head.firstChild); if (script2) { head.insertBefore(script2, head.firstChild); } }; module.exports = JsonpReceiver; }).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"../../utils/browser":44,"../../utils/iframe":47,"../../utils/random":50,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],32:[function(require,module,exports){ (function (process){ 'use strict'; var inherits = require('inherits') , EventEmitter = require('events').EventEmitter ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:receiver:xhr'); } function XhrReceiver(url, AjaxObject) { debug(url); EventEmitter.call(this); var self = this; this.bufferPosition = 0; this.xo = new AjaxObject('POST', url, null); this.xo.on('chunk', this._chunkHandler.bind(this)); this.xo.once('finish', function(status, text) { debug('finish', status, text); self._chunkHandler(status, text); self.xo = null; var reason = status === 200 ? 'network' : 'permanent'; debug('close', reason); self.emit('close', null, reason); self._cleanup(); }); } inherits(XhrReceiver, EventEmitter); XhrReceiver.prototype._chunkHandler = function(status, text) { debug('_chunkHandler', status); if (status !== 200 || !text) { return; } for (var idx = -1; ; this.bufferPosition += idx + 1) { var buf = text.slice(this.bufferPosition); idx = buf.indexOf('\n'); if (idx === -1) { break; } var msg = buf.slice(0, idx); if (msg) { debug('message', msg); this.emit('message', msg); } } }; XhrReceiver.prototype._cleanup = function() { debug('_cleanup'); this.removeAllListeners(); }; XhrReceiver.prototype.abort = function() { debug('abort'); if (this.xo) { this.xo.close(); debug('close'); this.emit('close', null, 'user'); this.xo = null; } this._cleanup(); }; module.exports = XhrReceiver; }).call(this,{ env: {} }) },{"debug":55,"events":3,"inherits":57}],33:[function(require,module,exports){ (function (process,global){ 'use strict'; var random = require('../../utils/random') , urlUtils = require('../../utils/url') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:sender:jsonp'); } var form, area; function createIframe(id) { debug('createIframe', id); try { // ie6 dynamic iframes with target="" support (thanks Chris Lambacher) return global.document.createElement('<iframe name="' + id + '">'); } catch (x) { var iframe = global.document.createElement('iframe'); iframe.name = id; return iframe; } } function createForm() { debug('createForm'); form = global.document.createElement('form'); form.style.display = 'none'; form.style.position = 'absolute'; form.method = 'POST'; form.enctype = 'application/x-www-form-urlencoded'; form.acceptCharset = 'UTF-8'; area = global.document.createElement('textarea'); area.name = 'd'; form.appendChild(area); global.document.body.appendChild(form); } module.exports = function(url, payload, callback) { debug(url, payload); if (!form) { createForm(); } var id = 'a' + random.string(8); form.target = id; form.action = urlUtils.addQuery(urlUtils.addPath(url, '/jsonp_send'), 'i=' + id); var iframe = createIframe(id); iframe.id = id; iframe.style.display = 'none'; form.appendChild(iframe); try { area.value = payload; } catch (e) { // seriously broken browsers get here } form.submit(); var completed = function(err) { debug('completed', id, err); if (!iframe.onerror) { return; } iframe.onreadystatechange = iframe.onerror = iframe.onload = null; // Opera mini doesn't like if we GC iframe // immediately, thus this timeout. setTimeout(function() { debug('cleaning up', id); iframe.parentNode.removeChild(iframe); iframe = null; }, 500); area.value = ''; // It is not possible to detect if the iframe succeeded or // failed to submit our form. callback(err); }; iframe.onerror = function() { debug('onerror', id); completed(); }; iframe.onload = function() { debug('onload', id); completed(); }; iframe.onreadystatechange = function(e) { debug('onreadystatechange', id, iframe.readyState, e); if (iframe.readyState === 'complete') { completed(); } }; return function() { debug('aborted', id); completed(new Error('Aborted')); }; }; }).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"../../utils/random":50,"../../utils/url":52,"debug":55}],34:[function(require,module,exports){ (function (process,global){ 'use strict'; var EventEmitter = require('events').EventEmitter , inherits = require('inherits') , eventUtils = require('../../utils/event') , browser = require('../../utils/browser') , urlUtils = require('../../utils/url') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:sender:xdr'); } // References: // http://ajaxian.com/archives/100-line-ajax-wrapper // http://msdn.microsoft.com/en-us/library/cc288060(v=VS.85).aspx function XDRObject(method, url, payload) { debug(method, url); var self = this; EventEmitter.call(this); setTimeout(function() { self._start(method, url, payload); }, 0); } inherits(XDRObject, EventEmitter); XDRObject.prototype._start = function(method, url, payload) { debug('_start'); var self = this; var xdr = new global.XDomainRequest(); // IE caches even POSTs url = urlUtils.addQuery(url, 't=' + (+new Date())); xdr.onerror = function() { debug('onerror'); self._error(); }; xdr.ontimeout = function() { debug('ontimeout'); self._error(); }; xdr.onprogress = function() { debug('progress', xdr.responseText); self.emit('chunk', 200, xdr.responseText); }; xdr.onload = function() { debug('load'); self.emit('finish', 200, xdr.responseText); self._cleanup(false); }; this.xdr = xdr; this.unloadRef = eventUtils.unloadAdd(function() { self._cleanup(true); }); try { // Fails with AccessDenied if port number is bogus this.xdr.open(method, url); if (this.timeout) { this.xdr.timeout = this.timeout; } this.xdr.send(payload); } catch (x) { this._error(); } }; XDRObject.prototype._error = function() { this.emit('finish', 0, ''); this._cleanup(false); }; XDRObject.prototype._cleanup = function(abort) { debug('cleanup', abort); if (!this.xdr) { return; } this.removeAllListeners(); eventUtils.unloadDel(this.unloadRef); this.xdr.ontimeout = this.xdr.onerror = this.xdr.onprogress = this.xdr.onload = null; if (abort) { try { this.xdr.abort(); } catch (x) { // intentionally empty } } this.unloadRef = this.xdr = null; }; XDRObject.prototype.close = function() { debug('close'); this._cleanup(true); }; // IE 8/9 if the request target uses the same scheme - #79 XDRObject.enabled = !!(global.XDomainRequest && browser.hasDomain()); module.exports = XDRObject; }).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"../../utils/browser":44,"../../utils/event":46,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],35:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , XhrDriver = require('../driver/xhr') ; function XHRCorsObject(method, url, payload, opts) { XhrDriver.call(this, method, url, payload, opts); } inherits(XHRCorsObject, XhrDriver); XHRCorsObject.enabled = XhrDriver.enabled && XhrDriver.supportsCORS; module.exports = XHRCorsObject; },{"../driver/xhr":17,"inherits":57}],36:[function(require,module,exports){ 'use strict'; var EventEmitter = require('events').EventEmitter , inherits = require('inherits') ; function XHRFake(/* method, url, payload, opts */) { var self = this; EventEmitter.call(this); this.to = setTimeout(function() { self.emit('finish', 200, '{}'); }, XHRFake.timeout); } inherits(XHRFake, EventEmitter); XHRFake.prototype.close = function() { clearTimeout(this.to); }; XHRFake.timeout = 2000; module.exports = XHRFake; },{"events":3,"inherits":57}],37:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , XhrDriver = require('../driver/xhr') ; function XHRLocalObject(method, url, payload /*, opts */) { XhrDriver.call(this, method, url, payload, { noCredentials: true }); } inherits(XHRLocalObject, XhrDriver); XHRLocalObject.enabled = XhrDriver.enabled; module.exports = XHRLocalObject; },{"../driver/xhr":17,"inherits":57}],38:[function(require,module,exports){ (function (process){ 'use strict'; var utils = require('../utils/event') , urlUtils = require('../utils/url') , inherits = require('inherits') , EventEmitter = require('events').EventEmitter , WebsocketDriver = require('./driver/websocket') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:websocket'); } function WebSocketTransport(transUrl, ignore, options) { if (!WebSocketTransport.enabled()) { throw new Error('Transport created when disabled'); } EventEmitter.call(this); debug('constructor', transUrl); var self = this; var url = urlUtils.addPath(transUrl, '/websocket'); if (url.slice(0, 5) === 'https') { url = 'wss' + url.slice(5); } else { url = 'ws' + url.slice(4); } this.url = url; this.ws = new WebsocketDriver(this.url, [], options); this.ws.onmessage = function(e) { debug('message event', e.data); self.emit('message', e.data); }; // Firefox has an interesting bug. If a websocket connection is // created after onunload, it stays alive even when user // navigates away from the page. In such situation let's lie - // let's not open the ws connection at all. See: // https://github.com/sockjs/sockjs-client/issues/28 // https://bugzilla.mozilla.org/show_bug.cgi?id=696085 this.unloadRef = utils.unloadAdd(function() { debug('unload'); self.ws.close(); }); this.ws.onclose = function(e) { debug('close event', e.code, e.reason); self.emit('close', e.code, e.reason); self._cleanup(); }; this.ws.onerror = function(e) { debug('error event', e); self.emit('close', 1006, 'WebSocket connection broken'); self._cleanup(); }; } inherits(WebSocketTransport, EventEmitter); WebSocketTransport.prototype.send = function(data) { var msg = '[' + data + ']'; debug('send', msg); this.ws.send(msg); }; WebSocketTransport.prototype.close = function() { debug('close'); var ws = this.ws; this._cleanup(); if (ws) { ws.close(); } }; WebSocketTransport.prototype._cleanup = function() { debug('_cleanup'); var ws = this.ws; if (ws) { ws.onmessage = ws.onclose = ws.onerror = null; } utils.unloadDel(this.unloadRef); this.unloadRef = this.ws = null; this.removeAllListeners(); }; WebSocketTransport.enabled = function() { debug('enabled'); return !!WebsocketDriver; }; WebSocketTransport.transportName = 'websocket'; // In theory, ws should require 1 round trip. But in chrome, this is // not very stable over SSL. Most likely a ws connection requires a // separate SSL connection, in which case 2 round trips are an // absolute minumum. WebSocketTransport.roundTrips = 2; module.exports = WebSocketTransport; }).call(this,{ env: {} }) },{"../utils/event":46,"../utils/url":52,"./driver/websocket":19,"debug":55,"events":3,"inherits":57}],39:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , AjaxBasedTransport = require('./lib/ajax-based') , XdrStreamingTransport = require('./xdr-streaming') , XhrReceiver = require('./receiver/xhr') , XDRObject = require('./sender/xdr') ; function XdrPollingTransport(transUrl) { if (!XDRObject.enabled) { throw new Error('Transport created when disabled'); } AjaxBasedTransport.call(this, transUrl, '/xhr', XhrReceiver, XDRObject); } inherits(XdrPollingTransport, AjaxBasedTransport); XdrPollingTransport.enabled = XdrStreamingTransport.enabled; XdrPollingTransport.transportName = 'xdr-polling'; XdrPollingTransport.roundTrips = 2; // preflight, ajax module.exports = XdrPollingTransport; },{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xdr":34,"./xdr-streaming":40,"inherits":57}],40:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , AjaxBasedTransport = require('./lib/ajax-based') , XhrReceiver = require('./receiver/xhr') , XDRObject = require('./sender/xdr') ; // According to: // http://stackoverflow.com/questions/1641507/detect-browser-support-for-cross-domain-xmlhttprequests // http://hacks.mozilla.org/2009/07/cross-site-xmlhttprequest-with-cors/ function XdrStreamingTransport(transUrl) { if (!XDRObject.enabled) { throw new Error('Transport created when disabled'); } AjaxBasedTransport.call(this, transUrl, '/xhr_streaming', XhrReceiver, XDRObject); } inherits(XdrStreamingTransport, AjaxBasedTransport); XdrStreamingTransport.enabled = function(info) { if (info.cookie_needed || info.nullOrigin) { return false; } return XDRObject.enabled && info.sameScheme; }; XdrStreamingTransport.transportName = 'xdr-streaming'; XdrStreamingTransport.roundTrips = 2; // preflight, ajax module.exports = XdrStreamingTransport; },{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xdr":34,"inherits":57}],41:[function(require,module,exports){ 'use strict'; var inherits = require('inherits') , AjaxBasedTransport = require('./lib/ajax-based') , XhrReceiver = require('./receiver/xhr') , XHRCorsObject = require('./sender/xhr-cors') , XHRLocalObject = require('./sender/xhr-local') ; function XhrPollingTransport(transUrl) { if (!XHRLocalObject.enabled && !XHRCorsObject.enabled) { throw new Error('Transport created when disabled'); } AjaxBasedTransport.call(this, transUrl, '/xhr', XhrReceiver, XHRCorsObject); } inherits(XhrPollingTransport, AjaxBasedTransport); XhrPollingTransport.enabled = function(info) { if (info.nullOrigin) { return false; } if (XHRLocalObject.enabled && info.sameOrigin) { return true; } return XHRCorsObject.enabled; }; XhrPollingTransport.transportName = 'xhr-polling'; XhrPollingTransport.roundTrips = 2; // preflight, ajax module.exports = XhrPollingTransport; },{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xhr-cors":35,"./sender/xhr-local":37,"inherits":57}],42:[function(require,module,exports){ (function (global){ 'use strict'; var inherits = require('inherits') , AjaxBasedTransport = require('./lib/ajax-based') , XhrReceiver = require('./receiver/xhr') , XHRCorsObject = require('./sender/xhr-cors') , XHRLocalObject = require('./sender/xhr-local') , browser = require('../utils/browser') ; function XhrStreamingTransport(transUrl) { if (!XHRLocalObject.enabled && !XHRCorsObject.enabled) { throw new Error('Transport created when disabled'); } AjaxBasedTransport.call(this, transUrl, '/xhr_streaming', XhrReceiver, XHRCorsObject); } inherits(XhrStreamingTransport, AjaxBasedTransport); XhrStreamingTransport.enabled = function(info) { if (info.nullOrigin) { return false; } // Opera doesn't support xhr-streaming #60 // But it might be able to #92 if (browser.isOpera()) { return false; } return XHRCorsObject.enabled; }; XhrStreamingTransport.transportName = 'xhr-streaming'; XhrStreamingTransport.roundTrips = 2; // preflight, ajax // Safari gets confused when a streaming ajax request is started // before onload. This causes the load indicator to spin indefinetely. // Only require body when used in a browser XhrStreamingTransport.needBody = !!global.document; module.exports = XhrStreamingTransport; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"../utils/browser":44,"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xhr-cors":35,"./sender/xhr-local":37,"inherits":57}],43:[function(require,module,exports){ (function (global){ 'use strict'; if (global.crypto && global.crypto.getRandomValues) { module.exports.randomBytes = function(length) { var bytes = new Uint8Array(length); global.crypto.getRandomValues(bytes); return bytes; }; } else { module.exports.randomBytes = function(length) { var bytes = new Array(length); for (var i = 0; i < length; i++) { bytes[i] = Math.floor(Math.random() * 256); } return bytes; }; } }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],44:[function(require,module,exports){ (function (global){ 'use strict'; module.exports = { isOpera: function() { return global.navigator && /opera/i.test(global.navigator.userAgent); } , isKonqueror: function() { return global.navigator && /konqueror/i.test(global.navigator.userAgent); } // #187 wrap document.domain in try/catch because of WP8 from file:/// , hasDomain: function () { // non-browser client always has a domain if (!global.document) { return true; } try { return !!global.document.domain; } catch (e) { return false; } } }; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],45:[function(require,module,exports){ 'use strict'; var JSON3 = require('json3'); // Some extra characters that Chrome gets wrong, and substitutes with // something else on the wire. // eslint-disable-next-line no-control-regex var extraEscapable = /[\x00-\x1f\ud800-\udfff\ufffe\uffff\u0300-\u0333\u033d-\u0346\u034a-\u034c\u0350-\u0352\u0357-\u0358\u035c-\u0362\u0374\u037e\u0387\u0591-\u05af\u05c4\u0610-\u0617\u0653-\u0654\u0657-\u065b\u065d-\u065e\u06df-\u06e2\u06eb-\u06ec\u0730\u0732-\u0733\u0735-\u0736\u073a\u073d\u073f-\u0741\u0743\u0745\u0747\u07eb-\u07f1\u0951\u0958-\u095f\u09dc-\u09dd\u09df\u0a33\u0a36\u0a59-\u0a5b\u0a5e\u0b5c-\u0b5d\u0e38-\u0e39\u0f43\u0f4d\u0f52\u0f57\u0f5c\u0f69\u0f72-\u0f76\u0f78\u0f80-\u0f83\u0f93\u0f9d\u0fa2\u0fa7\u0fac\u0fb9\u1939-\u193a\u1a17\u1b6b\u1cda-\u1cdb\u1dc0-\u1dcf\u1dfc\u1dfe\u1f71\u1f73\u1f75\u1f77\u1f79\u1f7b\u1f7d\u1fbb\u1fbe\u1fc9\u1fcb\u1fd3\u1fdb\u1fe3\u1feb\u1fee-\u1fef\u1ff9\u1ffb\u1ffd\u2000-\u2001\u20d0-\u20d1\u20d4-\u20d7\u20e7-\u20e9\u2126\u212a-\u212b\u2329-\u232a\u2adc\u302b-\u302c\uaab2-\uaab3\uf900-\ufa0d\ufa10\ufa12\ufa15-\ufa1e\ufa20\ufa22\ufa25-\ufa26\ufa2a-\ufa2d\ufa30-\ufa6d\ufa70-\ufad9\ufb1d\ufb1f\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufb4e\ufff0-\uffff]/g , extraLookup; // This may be quite slow, so let's delay until user actually uses bad // characters. var unrollLookup = function(escapable) { var i; var unrolled = {}; var c = []; for (i = 0; i < 65536; i++) { c.push( String.fromCharCode(i) ); } escapable.lastIndex = 0; c.join('').replace(escapable, function(a) { unrolled[ a ] = '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); return ''; }); escapable.lastIndex = 0; return unrolled; }; // Quote string, also taking care of unicode characters that browsers // often break. Especially, take care of unicode surrogates: // http://en.wikipedia.org/wiki/Mapping_of_Unicode_characters#Surrogates module.exports = { quote: function(string) { var quoted = JSON3.stringify(string); // In most cases this should be very fast and good enough. extraEscapable.lastIndex = 0; if (!extraEscapable.test(quoted)) { return quoted; } if (!extraLookup) { extraLookup = unrollLookup(extraEscapable); } return quoted.replace(extraEscapable, function(a) { return extraLookup[a]; }); } }; },{"json3":58}],46:[function(require,module,exports){ (function (global){ 'use strict'; var random = require('./random'); var onUnload = {} , afterUnload = false // detect google chrome packaged apps because they don't allow the 'unload' event , isChromePackagedApp = global.chrome && global.chrome.app && global.chrome.app.runtime ; module.exports = { attachEvent: function(event, listener) { if (typeof global.addEventListener !== 'undefined') { global.addEventListener(event, listener, false); } else if (global.document && global.attachEvent) { // IE quirks. // According to: http://stevesouders.com/misc/test-postmessage.php // the message gets delivered only to 'document', not 'window'. global.document.attachEvent('on' + event, listener); // I get 'window' for ie8. global.attachEvent('on' + event, listener); } } , detachEvent: function(event, listener) { if (typeof global.addEventListener !== 'undefined') { global.removeEventListener(event, listener, false); } else if (global.document && global.detachEvent) { global.document.detachEvent('on' + event, listener); global.detachEvent('on' + event, listener); } } , unloadAdd: function(listener) { if (isChromePackagedApp) { return null; } var ref = random.string(8); onUnload[ref] = listener; if (afterUnload) { setTimeout(this.triggerUnloadCallbacks, 0); } return ref; } , unloadDel: function(ref) { if (ref in onUnload) { delete onUnload[ref]; } } , triggerUnloadCallbacks: function() { for (var ref in onUnload) { onUnload[ref](); delete onUnload[ref]; } } }; var unloadTriggered = function() { if (afterUnload) { return; } afterUnload = true; module.exports.triggerUnloadCallbacks(); }; // 'unload' alone is not reliable in opera within an iframe, but we // can't use `beforeunload` as IE fires it on javascript: links. if (!isChromePackagedApp) { module.exports.attachEvent('unload', unloadTriggered); } }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./random":50}],47:[function(require,module,exports){ (function (process,global){ 'use strict'; var eventUtils = require('./event') , JSON3 = require('json3') , browser = require('./browser') ; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:utils:iframe'); } module.exports = { WPrefix: '_jp' , currentWindowId: null , polluteGlobalNamespace: function() { if (!(module.exports.WPrefix in global)) { global[module.exports.WPrefix] = {}; } } , postMessage: function(type, data) { if (global.parent !== global) { global.parent.postMessage(JSON3.stringify({ windowId: module.exports.currentWindowId , type: type , data: data || '' }), '*'); } else { debug('Cannot postMessage, no parent window.', type, data); } } , createIframe: function(iframeUrl, errorCallback) { var iframe = global.document.createElement('iframe'); var tref, unloadRef; var unattach = function() { debug('unattach'); clearTimeout(tref); // Explorer had problems with that. try { iframe.onload = null; } catch (x) { // intentionally empty } iframe.onerror = null; }; var cleanup = function() { debug('cleanup'); if (iframe) { unattach(); // This timeout makes chrome fire onbeforeunload event // within iframe. Without the timeout it goes straight to // onunload. setTimeout(function() { if (iframe) { iframe.parentNode.removeChild(iframe); } iframe = null; }, 0); eventUtils.unloadDel(unloadRef); } }; var onerror = function(err) { debug('onerror', err); if (iframe) { cleanup(); errorCallback(err); } }; var post = function(msg, origin) { debug('post', msg, origin); setTimeout(function() { try { // When the iframe is not loaded, IE raises an exception // on 'contentWindow'. if (iframe && iframe.contentWindow) { iframe.contentWindow.postMessage(msg, origin); } } catch (x) { // intentionally empty } }, 0); }; iframe.src = iframeUrl; iframe.style.display = 'none'; iframe.style.position = 'absolute'; iframe.onerror = function() { onerror('onerror'); }; iframe.onload = function() { debug('onload'); // `onload` is triggered before scripts on the iframe are // executed. Give it few seconds to actually load stuff. clearTimeout(tref); tref = setTimeout(function() { onerror('onload timeout'); }, 2000); }; global.document.body.appendChild(iframe); tref = setTimeout(function() { onerror('timeout'); }, 15000); unloadRef = eventUtils.unloadAdd(cleanup); return { post: post , cleanup: cleanup , loaded: unattach }; } /* eslint no-undef: "off", new-cap: "off" */ , createHtmlfile: function(iframeUrl, errorCallback) { var axo = ['Active'].concat('Object').join('X'); var doc = new global[axo]('htmlfile'); var tref, unloadRef; var iframe; var unattach = function() { clearTimeout(tref); iframe.onerror = null; }; var cleanup = function() { if (doc) { unattach(); eventUtils.unloadDel(unloadRef); iframe.parentNode.removeChild(iframe); iframe = doc = null; CollectGarbage(); } }; var onerror = function(r) { debug('onerror', r); if (doc) { cleanup(); errorCallback(r); } }; var post = function(msg, origin) { try { // When the iframe is not loaded, IE raises an exception // on 'contentWindow'. setTimeout(function() { if (iframe && iframe.contentWindow) { iframe.contentWindow.postMessage(msg, origin); } }, 0); } catch (x) { // intentionally empty } }; doc.open(); doc.write('<html><s' + 'cript>' + 'document.domain="' + global.document.domain + '";' + '</s' + 'cript></html>'); doc.close(); doc.parentWindow[module.exports.WPrefix] = global[module.exports.WPrefix]; var c = doc.createElement('div'); doc.body.appendChild(c); iframe = doc.createElement('iframe'); c.appendChild(iframe); iframe.src = iframeUrl; iframe.onerror = function() { onerror('onerror'); }; tref = setTimeout(function() { onerror('timeout'); }, 15000); unloadRef = eventUtils.unloadAdd(cleanup); return { post: post , cleanup: cleanup , loaded: unattach }; } }; module.exports.iframeEnabled = false; if (global.document) { // postMessage misbehaves in konqueror 4.6.5 - the messages are delivered with // huge delay, or not at all. module.exports.iframeEnabled = (typeof global.postMessage === 'function' || typeof global.postMessage === 'object') && (!browser.isKonqueror()); } }).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./browser":44,"./event":46,"debug":55,"json3":58}],48:[function(require,module,exports){ (function (global){ 'use strict'; var logObject = {}; ['log', 'debug', 'warn'].forEach(function (level) { var levelExists; try { levelExists = global.console && global.console[level] && global.console[level].apply; } catch(e) { // do nothing } logObject[level] = levelExists ? function () { return global.console[level].apply(global.console, arguments); } : (level === 'log' ? function () {} : logObject.log); }); module.exports = logObject; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],49:[function(require,module,exports){ 'use strict'; module.exports = { isObject: function(obj) { var type = typeof obj; return type === 'function' || type === 'object' && !!obj; } , extend: function(obj) { if (!this.isObject(obj)) { return obj; } var source, prop; for (var i = 1, length = arguments.length; i < length; i++) { source = arguments[i]; for (prop in source) { if (Object.prototype.hasOwnProperty.call(source, prop)) { obj[prop] = source[prop]; } } } return obj; } }; },{}],50:[function(require,module,exports){ 'use strict'; /* global crypto:true */ var crypto = require('crypto'); // This string has length 32, a power of 2, so the modulus doesn't introduce a // bias. var _randomStringChars = 'abcdefghijklmnopqrstuvwxyz012345'; module.exports = { string: function(length) { var max = _randomStringChars.length; var bytes = crypto.randomBytes(length); var ret = []; for (var i = 0; i < length; i++) { ret.push(_randomStringChars.substr(bytes[i] % max, 1)); } return ret.join(''); } , number: function(max) { return Math.floor(Math.random() * max); } , numberString: function(max) { var t = ('' + (max - 1)).length; var p = new Array(t + 1).join('0'); return (p + this.number(max)).slice(-t); } }; },{"crypto":43}],51:[function(require,module,exports){ (function (process){ 'use strict'; var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:utils:transport'); } module.exports = function(availableTransports) { return { filterToEnabled: function(transportsWhitelist, info) { var transports = { main: [] , facade: [] }; if (!transportsWhitelist) { transportsWhitelist = []; } else if (typeof transportsWhitelist === 'string') { transportsWhitelist = [transportsWhitelist]; } availableTransports.forEach(function(trans) { if (!trans) { return; } if (trans.transportName === 'websocket' && info.websocket === false) { debug('disabled from server', 'websocket'); return; } if (transportsWhitelist.length && transportsWhitelist.indexOf(trans.transportName) === -1) { debug('not in whitelist', trans.transportName); return; } if (trans.enabled(info)) { debug('enabled', trans.transportName); transports.main.push(trans); if (trans.facadeTransport) { transports.facade.push(trans.facadeTransport); } } else { debug('disabled', trans.transportName); } }); return transports; } }; }; }).call(this,{ env: {} }) },{"debug":55}],52:[function(require,module,exports){ (function (process){ 'use strict'; var URL = require('url-parse'); var debug = function() {}; if (process.env.NODE_ENV !== 'production') { debug = require('debug')('sockjs-client:utils:url'); } module.exports = { getOrigin: function(url) { if (!url) { return null; } var p = new URL(url); if (p.protocol === 'file:') { return null; } var port = p.port; if (!port) { port = (p.protocol === 'https:') ? '443' : '80'; } return p.protocol + '//' + p.hostname + ':' + port; } , isOriginEqual: function(a, b) { var res = this.getOrigin(a) === this.getOrigin(b); debug('same', a, b, res); return res; } , isSchemeEqual: function(a, b) { return (a.split(':')[0] === b.split(':')[0]); } , addPath: function (url, path) { var qs = url.split('?'); return qs[0] + path + (qs[1] ? '?' + qs[1] : ''); } , addQuery: function (url, q) { return url + (url.indexOf('?') === -1 ? ('?' + q) : ('&' + q)); } }; }).call(this,{ env: {} }) },{"debug":55,"url-parse":61}],53:[function(require,module,exports){ module.exports = '1.4.0'; },{}],54:[function(require,module,exports){ /** * Helpers. */ var s = 1000; var m = s * 60; var h = m * 60; var d = h * 24; var w = d * 7; 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?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|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 'weeks': case 'week': case 'w': return n * w; 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) { var msAbs = Math.abs(ms); if (msAbs >= d) { return Math.round(ms / d) + 'd'; } if (msAbs >= h) { return Math.round(ms / h) + 'h'; } if (msAbs >= m) { return Math.round(ms / m) + 'm'; } if (msAbs >= s) { return Math.round(ms / s) + 's'; } return ms + 'ms'; } /** * Long format for `ms`. * * @param {Number} ms * @return {String} * @api private */ function fmtLong(ms) { var msAbs = Math.abs(ms); if (msAbs >= d) { return plural(ms, msAbs, d, 'day'); } if (msAbs >= h) { return plural(ms, msAbs, h, 'hour'); } if (msAbs >= m) { return plural(ms, msAbs, m, 'minute'); } if (msAbs >= s) { return plural(ms, msAbs, s, 'second'); } return ms + ' ms'; } /** * Pluralization helper. */ function plural(ms, msAbs, n, name) { var isPlural = msAbs >= n * 1.5; return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); } },{}],55:[function(require,module,exports){ (function (process){ "use strict"; function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } /* eslint-env browser */ /** * This is the web browser implementation of `debug()`. */ exports.log = log; exports.formatArgs = formatArgs; exports.save = save; exports.load = load; exports.useColors = useColors; exports.storage = localstorage(); /** * Colors. */ exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33']; /** * Currently only WebKit-based Web Inspectors, Firefox >= v31, * and the Firebug extension (any Firefox version) are known * to support "%c" CSS customizations. * * TODO: add a `localStorage` variable to explicitly enable/disable colors */ // eslint-disable-next-line complexity 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' || window.process.__nwjs)) { return true; } // Internet Explorer and Edge do not support colors. if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) { return false; } // Is webkit? http://stackoverflow.com/a/16459606/376773 // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773 typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31? // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/); } /** * Colorize log arguments if enabled. * * @api public */ function formatArgs(args) { args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff); if (!this.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 (match === '%c') { // 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() { var _console; // This hackery is required for IE8/9, where // the `console.log` function doesn't have 'apply' return (typeof console === "undefined" ? "undefined" : _typeof(console)) === 'object' && console.log && (_console = console).log.apply(_console, arguments); } /** * Save `namespaces`. * * @param {String} namespaces * @api private */ function save(namespaces) { try { if (namespaces) { exports.storage.setItem('debug', namespaces); } else { exports.storage.removeItem('debug'); } } catch (error) {// Swallow // XXX (@Qix-) should we be logging these? } } /** * Load `namespaces`. * * @return {String} returns the previously persisted debug modes * @api private */ function load() { var r; try { r = exports.storage.getItem('debug'); } catch (error) {} // Swallow // XXX (@Qix-) should we be logging these? // 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; } /** * 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 { // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context // The Browser also has localStorage in the global context. return localStorage; } catch (error) {// Swallow // XXX (@Qix-) should we be logging these? } } module.exports = require('./common')(exports); var formatters = module.exports.formatters; /** * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. */ formatters.j = function (v) { try { return JSON.stringify(v); } catch (error) { return '[UnexpectedJSONParseError]: ' + error.message; } }; }).call(this,{ env: {} }) },{"./common":56}],56:[function(require,module,exports){ "use strict"; /** * This is the common logic for both the Node.js and web browser * implementations of `debug()`. */ function setup(env) { createDebug.debug = createDebug; createDebug.default = createDebug; createDebug.coerce = coerce; createDebug.disable = disable; createDebug.enable = enable; createDebug.enabled = enabled; createDebug.humanize = require('ms'); Object.keys(env).forEach(function (key) { createDebug[key] = env[key]; }); /** * Active `debug` instances. */ createDebug.instances = []; /** * The currently active debug mode names, and names to skip. */ createDebug.names = []; createDebug.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". */ createDebug.formatters = {}; /** * Selects a color for a debug namespace * @param {String} namespace The namespace string for the for the debug instance to be colored * @return {Number|String} An ANSI color code for the given namespace * @api private */ function selectColor(namespace) { var hash = 0; for (var i = 0; i < namespace.length; i++) { hash = (hash << 5) - hash + namespace.charCodeAt(i); hash |= 0; // Convert to 32bit integer } return createDebug.colors[Math.abs(hash) % createDebug.colors.length]; } createDebug.selectColor = selectColor; /** * Create a debugger with the given `namespace`. * * @param {String} namespace * @return {Function} * @api public */ function createDebug(namespace) { var prevTime; function debug() { for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } // Disabled? if (!debug.enabled) { return; } var self = debug; // Set `diff` timestamp var curr = Number(new Date()); var ms = curr - (prevTime || curr); self.diff = ms; self.prev = prevTime; self.curr = curr; prevTime = curr; args[0] = createDebug.coerce(args[0]); if (typeof args[0] !== 'string') { // 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 = createDebug.formatters[format]; if (typeof formatter === 'function') { 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.) createDebug.formatArgs.call(self, args); var logFn = self.log || createDebug.log; logFn.apply(self, args); } debug.namespace = namespace; debug.enabled = createDebug.enabled(namespace); debug.useColors = createDebug.useColors(); debug.color = selectColor(namespace); debug.destroy = destroy; debug.extend = extend; // Debug.formatArgs = formatArgs; // debug.rawLog = rawLog; // env-specific initialization logic for debug instances if (typeof createDebug.init === 'function') { createDebug.init(debug); } createDebug.instances.push(debug); return debug; } function destroy() { var index = createDebug.instances.indexOf(this); if (index !== -1) { createDebug.instances.splice(index, 1); return true; } return false; } function extend(namespace, delimiter) { return createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace); } /** * Enables a debug mode by namespaces. This can include modes * separated by a colon and wildcards. * * @param {String} namespaces * @api public */ function enable(namespaces) { createDebug.save(namespaces); createDebug.names = []; createDebug.skips = []; var i; var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); var len = split.length; for (i = 0; i < len; i++) { if (!split[i]) { // ignore empty strings continue; } namespaces = split[i].replace(/\*/g, '.*?'); if (namespaces[0] === '-') { createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$')); } else { createDebug.names.push(new RegExp('^' + namespaces + '$')); } } for (i = 0; i < createDebug.instances.length; i++) { var instance = createDebug.instances[i]; instance.enabled = createDebug.enabled(instance.namespace); } } /** * Disable debug output. * * @api public */ function disable() { createDebug.enable(''); } /** * Returns true if the given mode name is enabled, false otherwise. * * @param {String} name * @return {Boolean} * @api public */ function enabled(name) { if (name[name.length - 1] === '*') { return true; } var i; var len; for (i = 0, len = createDebug.skips.length; i < len; i++) { if (createDebug.skips[i].test(name)) { return false; } } for (i = 0, len = createDebug.names.length; i < len; i++) { if (createDebug.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; } createDebug.enable(createDebug.load()); return createDebug; } module.exports = setup; },{"ms":54}],57:[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }); }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } },{}],58:[function(require,module,exports){ (function (global){ /*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */ ;(function () { // Detect the `define` function exposed by asynchronous module loaders. The // strict `define` check is necessary for compatibility with `r.js`. var isLoader = typeof define === "function" && define.amd; // A set of types used to distinguish objects from primitives. var objectTypes = { "function": true, "object": true }; // Detect the `exports` object exposed by CommonJS implementations. var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports; // Use the `global` object exposed by Node (including Browserify via // `insert-module-globals`), Narwhal, and Ringo as the default context, // and the `window` object in browsers. Rhino exports a `global` function // instead. var root = objectTypes[typeof window] && window || this, freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global; if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) { root = freeGlobal; } // Public: Initializes JSON 3 using the given `context` object, attaching the // `stringify` and `parse` functions to the specified `exports` object. function runInContext(context, exports) { context || (context = root["Object"]()); exports || (exports = root["Object"]()); // Native constructor aliases. var Number = context["Number"] || root["Number"], String = context["String"] || root["String"], Object = context["Object"] || root["Object"], Date = context["Date"] || root["Date"], SyntaxError = context["SyntaxError"] || root["SyntaxError"], TypeError = context["TypeError"] || root["TypeError"], Math = context["Math"] || root["Math"], nativeJSON = context["JSON"] || root["JSON"]; // Delegate to the native `stringify` and `parse` implementations. if (typeof nativeJSON == "object" && nativeJSON) { exports.stringify = nativeJSON.stringify; exports.parse = nativeJSON.parse; } // Convenience aliases. var objectProto = Object.prototype, getClass = objectProto.toString, isProperty, forEach, undef; // Test the `Date#getUTC*` methods. Based on work by @Yaffle. var isExtended = new Date(-3509827334573292); try { // The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical // results for certain dates in Opera >= 10.53. isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 && // Safari < 2.0.2 stores the internal millisecond time value correctly, // but clips the values returned by the date methods to the range of // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]). isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708; } catch (exception) {} // Internal: Determines whether the native `JSON.stringify` and `parse` // implementations are spec-compliant. Based on work by Ken Snyder. function has(name) { if (has[name] !== undef) { // Return cached feature test result. return has[name]; } var isSupported; if (name == "bug-string-char-index") { // IE <= 7 doesn't support accessing string characters using square // bracket notation. IE 8 only supports this for primitives. isSupported = "a"[0] != "a"; } else if (name == "json") { // Indicates whether both `JSON.stringify` and `JSON.parse` are // supported. isSupported = has("json-stringify") && has("json-parse"); } else { var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}'; // Test `JSON.stringify`. if (name == "json-stringify") { var stringify = exports.stringify, stringifySupported = typeof stringify == "function" && isExtended; if (stringifySupported) { // A test function object with a custom `toJSON` method. (value = function () { return 1; }).toJSON = value; try { stringifySupported = // Firefox 3.1b1 and b2 serialize string, number, and boolean // primitives as object literals. stringify(0) === "0" && // FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object // literals. stringify(new Number()) === "0" && stringify(new String()) == '""' && // FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or // does not define a canonical JSON representation (this applies to // objects with `toJSON` properties as well, *unless* they are nested // within an object or array). stringify(getClass) === undef && // IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and // FF 3.1b3 pass this test. stringify(undef) === undef && // Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s, // respectively, if the value is omitted entirely. stringify() === undef && // FF 3.1b1, 2 throw an error if the given value is not a number, // string, array, object, Boolean, or `null` literal. This applies to // objects with custom `toJSON` methods as well, unless they are nested // inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON` // methods entirely. stringify(value) === "1" && stringify([value]) == "[1]" && // Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of // `"[null]"`. stringify([undef]) == "[null]" && // YUI 3.0.0b1 fails to serialize `null` literals. stringify(null) == "null" && // FF 3.1b1, 2 halts serialization if an array contains a function: // `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3 // elides non-JSON values from objects and arrays, unless they // define custom `toJSON` methods. stringify([undef, getClass, null]) == "[null,null,null]" && // Simple serialization test. FF 3.1b1 uses Unicode escape sequences // where character escape codes are expected (e.g., `\b` => `\u0008`). stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized && // FF 3.1b1 and b2 ignore the `filter` and `width` arguments. stringify(null, value) === "1" && stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" && // JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly // serialize extended years. stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' && // The milliseconds are optional in ES 5, but required in 5.1. stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' && // Firefox <= 11.0 incorrectly serializes years prior to 0 as negative // four-digit years instead of six-digit years. Credits: @Yaffle. stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' && // Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond // values less than 1000. Credits: @Yaffle. stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"'; } catch (exception) { stringifySupported = false; } } isSupported = stringifySupported; } // Test `JSON.parse`. if (name == "json-parse") { var parse = exports.parse; if (typeof parse == "function") { try { // FF 3.1b1, b2 will throw an exception if a bare literal is provided. // Conforming implementations should also coerce the initial argument to // a string prior to parsing. if (parse("0") === 0 && !parse(false)) { // Simple parsing test. value = parse(serialized); var parseSupported = value["a"].length == 5 && value["a"][0] === 1; if (parseSupported) { try { // Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings. parseSupported = !parse('"\t"'); } catch (exception) {} if (parseSupported) { try { // FF 4.0 and 4.0.1 allow leading `+` signs and leading // decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow // certain octal literals. parseSupported = parse("01") !== 1; } catch (exception) {} } if (parseSupported) { try { // FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal // points. These environments, along with FF 3.1b1 and 2, // also allow trailing commas in JSON objects and arrays. parseSupported = parse("1.") !== 1; } catch (exception) {} } } } } catch (exception) { parseSupported = false; } } isSupported = parseSupported; } } return has[name] = !!isSupported; } if (!has("json")) { // Common `[[Class]]` name aliases. var functionClass = "[object Function]", dateClass = "[object Date]", numberClass = "[object Number]", stringClass = "[object String]", arrayClass = "[object Array]", booleanClass = "[object Boolean]"; // Detect incomplete support for accessing string characters by index. var charIndexBuggy = has("bug-string-char-index"); // Define additional utility methods if the `Date` methods are buggy. if (!isExtended) { var floor = Math.floor; // A mapping between the months of the year and the number of days between // January 1st and the first of the respective month. var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334]; // Internal: Calculates the number of days between the Unix epoch and the // first day of the given month. var getDay = function (year, month) { return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400); }; } // Internal: Determines if a property is a direct property of the given // object. Delegates to the native `Object#hasOwnProperty` method. if (!(isProperty = objectProto.hasOwnProperty)) { isProperty = function (property) { var members = {}, constructor; if ((members.__proto__ = null, members.__proto__ = { // The *proto* property cannot be set multiple times in recent // versions of Firefox and SeaMonkey. "toString": 1 }, members).toString != getClass) { // Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but // supports the mutable *proto* property. isProperty = function (property) { // Capture and break the object's prototype chain (see section 8.6.2 // of the ES 5.1 spec). The parenthesized expression prevents an // unsafe transformation by the Closure Compiler. var original = this.__proto__, result = property in (this.__proto__ = null, this); // Restore the original prototype chain. this.__proto__ = original; return result; }; } else { // Capture a reference to the top-level `Object` constructor. constructor = members.constructor; // Use the `constructor` property to simulate `Object#hasOwnProperty` in // other environments. isProperty = function (property) { var parent = (this.constructor || constructor).prototype; return property in this && !(property in parent && this[property] === parent[property]); }; } members = null; return isProperty.call(this, property); }; } // Internal: Normalizes the `for...in` iteration algorithm across // environments. Each enumerated key is yielded to a `callback` function. forEach = function (object, callback) { var size = 0, Properties, members, property; // Tests for bugs in the current environment's `for...in` algorithm. The // `valueOf` property inherits the non-enumerable flag from // `Object.prototype` in older versions of IE, Netscape, and Mozilla. (Properties = function () { this.valueOf = 0; }).prototype.valueOf = 0; // Iterate over a new instance of the `Properties` class. members = new Properties(); for (property in members) { // Ignore all properties inherited from `Object.prototype`. if (isProperty.call(members, property)) { size++; } } Properties = members = null; // Normalize the iteration algorithm. if (!size) { // A list of non-enumerable properties inherited from `Object.prototype`. members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"]; // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable // properties. forEach = function (object, callback) { var isFunction = getClass.call(object) == functionClass, property, length; var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty; for (property in object) { // Gecko <= 1.0 enumerates the `prototype` property of functions under // certain conditions; IE does not. if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) { callback(property); } } // Manually invoke the callback for each non-enumerable property. for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property)); }; } else if (size == 2) { // Safari <= 2.0.4 enumerates shadowed properties twice. forEach = function (object, callback) { // Create a set of iterated properties. var members = {}, isFunction = getClass.call(object) == functionClass, property; for (property in object) { // Store each property name to prevent double enumeration. The // `prototype` property of functions is not enumerated due to cross- // environment inconsistencies. if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) { callback(property); } } }; } else { // No bugs detected; use the standard `for...in` algorithm. forEach = function (object, callback) { var isFunction = getClass.call(object) == functionClass, property, isConstructor; for (property in object) { if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) { callback(property); } } // Manually invoke the callback for the `constructor` property due to // cross-environment inconsistencies. if (isConstructor || isProperty.call(object, (property = "constructor"))) { callback(property); } }; } return forEach(object, callback); }; // Public: Serializes a JavaScript `value` as a JSON string. The optional // `filter` argument may specify either a function that alters how object and // array members are serialized, or an array of strings and numbers that // indicates which properties should be serialized. The optional `width` // argument may be either a string or number that specifies the indentation // level of the output. if (!has("json-stringify")) { // Internal: A map of control characters and their escaped equivalents. var Escapes = { 92: "\\\\", 34: '\\"', 8: "\\b", 12: "\\f", 10: "\\n", 13: "\\r", 9: "\\t" }; // Internal: Converts `value` into a zero-padded string such that its // length is at least equal to `width`. The `width` must be <= 6. var leadingZeroes = "000000"; var toPaddedString = function (width, value) { // The `|| 0` expression is necessary to work around a bug in // Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`. return (leadingZeroes + (value || 0)).slice(-width); }; // Internal: Double-quotes a string `value`, replacing all ASCII control // characters (characters with code unit values between 0 and 31) with // their escaped equivalents. This is an implementation of the // `Quote(value)` operation defined in ES 5.1 section 15.12.3. var unicodePrefix = "\\u00"; var quote = function (value) { var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10; var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value); for (; index < length; index++) { var charCode = value.charCodeAt(index); // If the character is a control character, append its Unicode or // shorthand escape sequence; otherwise, append the character as-is. switch (charCode) { case 8: case 9: case 10: case 12: case 13: case 34: case 92: result += Escapes[charCode]; break; default: if (charCode < 32) { result += unicodePrefix + toPaddedString(2, charCode.toString(16)); break; } result += useCharIndex ? symbols[index] : value.charAt(index); } } return result + '"'; }; // Internal: Recursively serializes an object. Implements the // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations. var serialize = function (property, object, callback, properties, whitespace, indentation, stack) { var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result; try { // Necessary for host object support. value = object[property]; } catch (exception) {} if (typeof value == "object" && value) { className = getClass.call(value); if (className == dateClass && !isProperty.call(value, "toJSON")) { if (value > -1 / 0 && value < 1 / 0) { // Dates are serialized according to the `Date#toJSON` method // specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15 // for the ISO 8601 date time string format. if (getDay) { // Manually compute the year, month, date, hours, minutes, // seconds, and milliseconds if the `getUTC*` methods are // buggy. Adapted from @Yaffle's `date-shim` project. date = floor(value / 864e5); for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++); for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++); date = 1 + date - getDay(year, month); // The `time` value specifies the time within the day (see ES // 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used // to compute `A modulo B`, as the `%` operator does not // correspond to the `modulo` operation for negative numbers. time = (value % 864e5 + 864e5) % 864e5; // The hours, minutes, seconds, and milliseconds are obtained by // decomposing the time within the day. See section 15.9.1.10. hours = floor(time / 36e5) % 24; minutes = floor(time / 6e4) % 60; seconds = floor(time / 1e3) % 60; milliseconds = time % 1e3; } else { year = value.getUTCFullYear(); month = value.getUTCMonth(); date = value.getUTCDate(); hours = value.getUTCHours(); minutes = value.getUTCMinutes(); seconds = value.getUTCSeconds(); milliseconds = value.getUTCMilliseconds(); } // Serialize extended years correctly. value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) + "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) + // Months, dates, hours, minutes, and seconds should have two // digits; milliseconds should have three. "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) + // Milliseconds are optional in ES 5.0, but required in 5.1. "." + toPaddedString(3, milliseconds) + "Z"; } else { value = null; } } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) { // Prototype <= 1.6.1 adds non-standard `toJSON` methods to the // `Number`, `String`, `Date`, and `Array` prototypes. JSON 3 // ignores all `toJSON` methods on these objects unless they are // defined directly on an instance. value = value.toJSON(property); } } if (callback) { // If a replacement function was provided, call it to obtain the value // for serialization. value = callback.call(object, property, value); } if (value === null) { return "null"; } className = getClass.call(value); if (className == booleanClass) { // Booleans are represented literally. return "" + value; } else if (className == numberClass) { // JSON numbers must be finite. `Infinity` and `NaN` are serialized as // `"null"`. return value > -1 / 0 && value < 1 / 0 ? "" + value : "null"; } else if (className == stringClass) { // Strings are double-quoted and escaped. return quote("" + value); } // Recursively serialize objects and arrays. if (typeof value == "object") { // Check for cyclic structures. This is a linear search; performance // is inversely proportional to the number of unique nested objects. for (length = stack.length; length--;) { if (stack[length] === value) { // Cyclic structures cannot be serialized by `JSON.stringify`. throw TypeError(); } } // Add the object to the stack of traversed objects. stack.push(value); results = []; // Save the current indentation level and indent one additional level. prefix = indentation; indentation += whitespace; if (className == arrayClass) { // Recursively serialize array elements. for (index = 0, length = value.length; index < length; index++) { element = serialize(index, value, callback, properties, whitespace, indentation, stack); results.push(element === undef ? "null" : element); } result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]"; } else { // Recursively serialize object members. Members are selected from // either a user-specified list of property names, or the object // itself. forEach(properties || value, function (property) { var element = serialize(property, value, callback, properties, whitespace, indentation, stack); if (element !== undef) { // According to ES 5.1 section 15.12.3: "If `gap` {whitespace} // is not the empty string, let `member` {quote(property) + ":"} // be the concatenation of `member` and the `space` character." // The "`space` character" refers to the literal space // character, not the `space` {width} argument provided to // `JSON.stringify`. results.push(quote(property) + ":" + (whitespace ? " " : "") + element); } }); result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}"; } // Remove the object from the traversed object stack. stack.pop(); return result; } }; // Public: `JSON.stringify`. See ES 5.1 section 15.12.3. exports.stringify = function (source, filter, width) { var whitespace, callback, properties, className; if (objectTypes[typeof filter] && filter) { if ((className = getClass.call(filter)) == functionClass) { callback = filter; } else if (className == arrayClass) { // Convert the property names array into a makeshift set. properties = {}; for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1)); } } if (width) { if ((className = getClass.call(width)) == numberClass) { // Convert the `width` to an integer and create a string containing // `width` number of space characters. if ((width -= width % 1) > 0) { for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " "); } } else if (className == stringClass) { whitespace = width.length <= 10 ? width : width.slice(0, 10); } } // Opera <= 7.54u2 discards the values associated with empty string keys // (`""`) only if they are used directly within an object member list // (e.g., `!("" in { "": 1})`). return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []); }; } // Public: Parses a JSON source string. if (!has("json-parse")) { var fromCharCode = String.fromCharCode; // Internal: A map of escaped control characters and their unescaped // equivalents. var Unescapes = { 92: "\\", 34: '"', 47: "/", 98: "\b", 116: "\t", 110: "\n", 102: "\f", 114: "\r" }; // Internal: Stores the parser state. var Index, Source; // Internal: Resets the parser state and throws a `SyntaxError`. var abort = function () { Index = Source = null; throw SyntaxError(); }; // Internal: Returns the next token, or `"$"` if the parser has reached // the end of the source string. A token may be a string, number, `null` // literal, or Boolean literal. var lex = function () { var source = Source, length = source.length, value, begin, position, isSigned, charCode; while (Index < length) { charCode = source.charCodeAt(Index); switch (charCode) { case 9: case 10: case 13: case 32: // Skip whitespace tokens, including tabs, carriage returns, line // feeds, and space characters. Index++; break; case 123: case 125: case 91: case 93: case 58: case 44: // Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at // the current position. value = charIndexBuggy ? source.charAt(Index) : source[Index]; Index++; return value; case 34: // `"` delimits a JSON string; advance to the next character and // begin parsing the string. String tokens are prefixed with the // sentinel `@` character to distinguish them from punctuators and // end-of-string tokens. for (value = "@", Index++; Index < length;) { charCode = source.charCodeAt(Index); if (charCode < 32) { // Unescaped ASCII control characters (those with a code unit // less than the space character) are not permitted. abort(); } else if (charCode == 92) { // A reverse solidus (`\`) marks the beginning of an escaped // control character (including `"`, `\`, and `/`) or Unicode // escape sequence. charCode = source.charCodeAt(++Index); switch (charCode) { case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114: // Revive escaped control characters. value += Unescapes[charCode]; Index++; break; case 117: // `\u` marks the beginning of a Unicode escape sequence. // Advance to the first character and validate the // four-digit code point. begin = ++Index; for (position = Index + 4; Index < position; Index++) { charCode = source.charCodeAt(Index); // A valid sequence comprises four hexdigits (case- // insensitive) that form a single hexadecimal value. if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) { // Invalid Unicode escape sequence. abort(); } } // Revive the escaped character. value += fromCharCode("0x" + source.slice(begin, Index)); break; default: // Invalid escape sequence. abort(); } } else { if (charCode == 34) { // An unescaped double-quote character marks the end of the // string. break; } charCode = source.charCodeAt(Index); begin = Index; // Optimize for the common case where a string is valid. while (charCode >= 32 && charCode != 92 && charCode != 34) { charCode = source.charCodeAt(++Index); } // Append the string as-is. value += source.slice(begin, Index); } } if (source.charCodeAt(Index) == 34) { // Advance to the next character and return the revived string. Index++; return value; } // Unterminated string. abort(); default: // Parse numbers and literals. begin = Index; // Advance past the negative sign, if one is specified. if (charCode == 45) { isSigned = true; charCode = source.charCodeAt(++Index); } // Parse an integer or floating-point value. if (charCode >= 48 && charCode <= 57) { // Leading zeroes are interpreted as octal literals. if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) { // Illegal octal literal. abort(); } isSigned = false; // Parse the integer component. for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++); // Floats cannot contain a leading decimal point; however, this // case is already accounted for by the parser. if (source.charCodeAt(Index) == 46) { position = ++Index; // Parse the decimal component. for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++); if (position == Index) { // Illegal trailing decimal. abort(); } Index = position; } // Parse exponents. The `e` denoting the exponent is // case-insensitive. charCode = source.charCodeAt(Index); if (charCode == 101 || charCode == 69) { charCode = source.charCodeAt(++Index); // Skip past the sign following the exponent, if one is // specified. if (charCode == 43 || charCode == 45) { Index++; } // Parse the exponential component. for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++); if (position == Index) { // Illegal empty exponent. abort(); } Index = position; } // Coerce the parsed value to a JavaScript number. return +source.slice(begin, Index); } // A negative sign may only precede numbers. if (isSigned) { abort(); } // `true`, `false`, and `null` literals. if (source.slice(Index, Index + 4) == "true") { Index += 4; return true; } else if (source.slice(Index, Index + 5) == "false") { Index += 5; return false; } else if (source.slice(Index, Index + 4) == "null") { Index += 4; return null; } // Unrecognized token. abort(); } } // Return the sentinel `$` character if the parser has reached the end // of the source string. return "$"; }; // Internal: Parses a JSON `value` token. var get = function (value) { var results, hasMembers; if (value == "$") { // Unexpected end of input. abort(); } if (typeof value == "string") { if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") { // Remove the sentinel `@` character. return value.slice(1); } // Parse object and array literals. if (value == "[") { // Parses a JSON array, returning a new JavaScript array. results = []; for (;; hasMembers || (hasMembers = true)) { value = lex(); // A closing square bracket marks the end of the array literal. if (value == "]") { break; } // If the array literal contains elements, the current token // should be a comma separating the previous element from the // next. if (hasMembers) { if (value == ",") { value = lex(); if (value == "]") { // Unexpected trailing `,` in array literal. abort(); } } else { // A `,` must separate each array element. abort(); } } // Elisions and leading commas are not permitted. if (value == ",") { abort(); } results.push(get(value)); } return results; } else if (value == "{") { // Parses a JSON object, returning a new JavaScript object. results = {}; for (;; hasMembers || (hasMembers = true)) { value = lex(); // A closing curly brace marks the end of the object literal. if (value == "}") { break; } // If the object literal contains members, the current token // should be a comma separator. if (hasMembers) { if (value == ",") { value = lex(); if (value == "}") { // Unexpected trailing `,` in object literal. abort(); } } else { // A `,` must separate each object member. abort(); } } // Leading commas are not permitted, object property names must be // double-quoted strings, and a `:` must separate each property // name and value. if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") { abort(); } results[value.slice(1)] = get(lex()); } return results; } // Unexpected token encountered. abort(); } return value; }; // Internal: Updates a traversed object member. var update = function (source, property, callback) { var element = walk(source, property, callback); if (element === undef) { delete source[property]; } else { source[property] = element; } }; // Internal: Recursively traverses a parsed JSON object, invoking the // `callback` function for each value. This is an implementation of the // `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2. var walk = function (source, property, callback) { var value = source[property], length; if (typeof value == "object" && value) { // `forEach` can't be used to traverse an array in Opera <= 8.54 // because its `Object#hasOwnProperty` implementation returns `false` // for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`). if (getClass.call(value) == arrayClass) { for (length = value.length; length--;) { update(value, length, callback); } } else { forEach(value, function (property) { update(value, property, callback); }); } } return callback.call(source, property, value); }; // Public: `JSON.parse`. See ES 5.1 section 15.12.2. exports.parse = function (source, callback) { var result, value; Index = 0; Source = "" + source; result = get(lex()); // If a JSON string contains multiple tokens, it is invalid. if (lex() != "$") { abort(); } // Reset the parser state. Index = Source = null; return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result; }; } } exports["runInContext"] = runInContext; return exports; } if (freeExports && !isLoader) { // Export for CommonJS environments. runInContext(root, freeExports); } else { // Export for web browsers and JavaScript engines. var nativeJSON = root.JSON, previousJSON = root["JSON3"], isRestored = false; var JSON3 = runInContext(root, (root["JSON3"] = { // Public: Restores the original value of the global `JSON` object and // returns a reference to the `JSON3` object. "noConflict": function () { if (!isRestored) { isRestored = true; root.JSON = nativeJSON; root["JSON3"] = previousJSON; nativeJSON = previousJSON = null; } return JSON3; } })); root.JSON = { "parse": JSON3.parse, "stringify": JSON3.stringify }; } // Export for asynchronous module loaders. if (isLoader) { define(function () { return JSON3; }); } }).call(this); }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],59:[function(require,module,exports){ 'use strict'; var has = Object.prototype.hasOwnProperty; /** * Decode a URI encoded string. * * @param {String} input The URI encoded string. * @returns {String} The decoded string. * @api private */ function decode(input) { return decodeURIComponent(input.replace(/\+/g, ' ')); } /** * Simple query string parser. * * @param {String} query The query string that needs to be parsed. * @returns {Object} * @api public */ function querystring(query) { var parser = /([^=?&]+)=?([^&]*)/g , result = {} , part; while (part = parser.exec(query)) { var key = decode(part[1]) , value = decode(part[2]); // // Prevent overriding of existing properties. This ensures that build-in // methods like `toString` or __proto__ are not overriden by malicious // querystrings. // if (key in result) continue; result[key] = value; } return result; } /** * Transform a query string to an object. * * @param {Object} obj Object that should be transformed. * @param {String} prefix Optional prefix. * @returns {String} * @api public */ function querystringify(obj, prefix) { prefix = prefix || ''; var pairs = []; // // Optionally prefix with a '?' if needed // if ('string' !== typeof prefix) prefix = '?'; for (var key in obj) { if (has.call(obj, key)) { pairs.push(encodeURIComponent(key) +'='+ encodeURIComponent(obj[key])); } } return pairs.length ? prefix + pairs.join('&') : ''; } // // Expose the module. // exports.stringify = querystringify; exports.parse = querystring; },{}],60:[function(require,module,exports){ 'use strict'; /** * Check if we're required to add a port number. * * @see https://url.spec.whatwg.org/#default-port * @param {Number|String} port Port number we need to check * @param {String} protocol Protocol we need to check against. * @returns {Boolean} Is it a default port for the given protocol * @api private */ module.exports = function required(port, protocol) { protocol = protocol.split(':')[0]; port = +port; if (!port) return false; switch (protocol) { case 'http': case 'ws': return port !== 80; case 'https': case 'wss': return port !== 443; case 'ftp': return port !== 21; case 'gopher': return port !== 70; case 'file': return false; } return port !== 0; }; },{}],61:[function(require,module,exports){ (function (global){ 'use strict'; var required = require('requires-port') , qs = require('querystringify') , protocolre = /^([a-z][a-z0-9.+-]*:)?(\/\/)?([\S\s]*)/i , slashes = /^[A-Za-z][A-Za-z0-9+-.]*:\/\//; /** * These are the parse rules for the URL parser, it informs the parser * about: * * 0. The char it Needs to parse, if it's a string it should be done using * indexOf, RegExp using exec and NaN means set as current value. * 1. The property we should set when parsing this value. * 2. Indication if it's backwards or forward parsing, when set as number it's * the value of extra chars that should be split off. * 3. Inherit from location if non existing in the parser. * 4. `toLowerCase` the resulting value. */ var rules = [ ['#', 'hash'], // Extract from the back. ['?', 'query'], // Extract from the back. function sanitize(address) { // Sanitize what is left of the address return address.replace('\\', '/'); }, ['/', 'pathname'], // Extract from the back. ['@', 'auth', 1], // Extract from the front. [NaN, 'host', undefined, 1, 1], // Set left over value. [/:(\d+)$/, 'port', undefined, 1], // RegExp the back. [NaN, 'hostname', undefined, 1, 1] // Set left over. ]; /** * These properties should not be copied or inherited from. This is only needed * for all non blob URL's as a blob URL does not include a hash, only the * origin. * * @type {Object} * @private */ var ignore = { hash: 1, query: 1 }; /** * The location object differs when your code is loaded through a normal page, * Worker or through a worker using a blob. And with the blobble begins the * trouble as the location object will contain the URL of the blob, not the * location of the page where our code is loaded in. The actual origin is * encoded in the `pathname` so we can thankfully generate a good "default" * location from it so we can generate proper relative URL's again. * * @param {Object|String} loc Optional default location object. * @returns {Object} lolcation object. * @public */ function lolcation(loc) { var location = global && global.location || {}; loc = loc || location; var finaldestination = {} , type = typeof loc , key; if ('blob:' === loc.protocol) { finaldestination = new Url(unescape(loc.pathname), {}); } else if ('string' === type) { finaldestination = new Url(loc, {}); for (key in ignore) delete finaldestination[key]; } else if ('object' === type) { for (key in loc) { if (key in ignore) continue; finaldestination[key] = loc[key]; } if (finaldestination.slashes === undefined) { finaldestination.slashes = slashes.test(loc.href); } } return finaldestination; } /** * @typedef ProtocolExtract * @type Object * @property {String} protocol Protocol matched in the URL, in lowercase. * @property {Boolean} slashes `true` if protocol is followed by "//", else `false`. * @property {String} rest Rest of the URL that is not part of the protocol. */ /** * Extract protocol information from a URL with/without double slash ("//"). * * @param {String} address URL we want to extract from. * @return {ProtocolExtract} Extracted information. * @private */ function extractProtocol(address) { var match = protocolre.exec(address); return { protocol: match[1] ? match[1].toLowerCase() : '', slashes: !!match[2], rest: match[3] }; } /** * Resolve a relative URL pathname against a base URL pathname. * * @param {String} relative Pathname of the relative URL. * @param {String} base Pathname of the base URL. * @return {String} Resolved pathname. * @private */ function resolve(relative, base) { var path = (base || '/').split('/').slice(0, -1).concat(relative.split('/')) , i = path.length , last = path[i - 1] , unshift = false , up = 0; while (i--) { if (path[i] === '.') { path.splice(i, 1); } else if (path[i] === '..') { path.splice(i, 1); up++; } else if (up) { if (i === 0) unshift = true; path.splice(i, 1); up--; } } if (unshift) path.unshift(''); if (last === '.' || last === '..') path.push(''); return path.join('/'); } /** * The actual URL instance. Instead of returning an object we've opted-in to * create an actual constructor as it's much more memory efficient and * faster and it pleases my OCD. * * It is worth noting that we should not use `URL` as class name to prevent * clashes with the global URL instance that got introduced in browsers. * * @constructor * @param {String} address URL we want to parse. * @param {Object|String} location Location defaults for relative paths. * @param {Boolean|Function} parser Parser for the query string. * @private */ function Url(address, location, parser) { if (!(this instanceof Url)) { return new Url(address, location, parser); } var relative, extracted, parse, instruction, index, key , instructions = rules.slice() , type = typeof location , url = this , i = 0; // // The following if statements allows this module two have compatibility with // 2 different API: // // 1. Node.js's `url.parse` api which accepts a URL, boolean as arguments // where the boolean indicates that the query string should also be parsed. // // 2. The `URL` interface of the browser which accepts a URL, object as // arguments. The supplied object will be used as default values / fall-back // for relative paths. // if ('object' !== type && 'string' !== type) { parser = location; location = null; } if (parser && 'function' !== typeof parser) parser = qs.parse; location = lolcation(location); // // Extract protocol information before running the instructions. // extracted = extractProtocol(address || ''); relative = !extracted.protocol && !extracted.slashes; url.slashes = extracted.slashes || relative && location.slashes; url.protocol = extracted.protocol || location.protocol || ''; address = extracted.rest; // // When the authority component is absent the URL starts with a path // component. // if (!extracted.slashes) instructions[3] = [/(.*)/, 'pathname']; for (; i < instructions.length; i++) { instruction = instructions[i]; if (typeof instruction === 'function') { address = instruction(address); continue; } parse = instruction[0]; key = instruction[1]; if (parse !== parse) { url[key] = address; } else if ('string' === typeof parse) { if (~(index = address.indexOf(parse))) { if ('number' === typeof instruction[2]) { url[key] = address.slice(0, index); address = address.slice(index + instruction[2]); } else { url[key] = address.slice(index); address = address.slice(0, index); } } } else if ((index = parse.exec(address))) { url[key] = index[1]; address = address.slice(0, index.index); } url[key] = url[key] || ( relative && instruction[3] ? location[key] || '' : '' ); // // Hostname, host and protocol should be lowercased so they can be used to // create a proper `origin`. // if (instruction[4]) url[key] = url[key].toLowerCase(); } // // Also parse the supplied query string in to an object. If we're supplied // with a custom parser as function use that instead of the default build-in // parser. // if (parser) url.query = parser(url.query); // // If the URL is relative, resolve the pathname against the base URL. // if ( relative && location.slashes && url.pathname.charAt(0) !== '/' && (url.pathname !== '' || location.pathname !== '') ) { url.pathname = resolve(url.pathname, location.pathname); } // // We should not add port numbers if they are already the default port number // for a given protocol. As the host also contains the port number we're going // override it with the hostname which contains no port number. // if (!required(url.port, url.protocol)) { url.host = url.hostname; url.port = ''; } // // Parse down the `auth` for the username and password. // url.username = url.password = ''; if (url.auth) { instruction = url.auth.split(':'); url.username = instruction[0] || ''; url.password = instruction[1] || ''; } url.origin = url.protocol && url.host && url.protocol !== 'file:' ? url.protocol +'//'+ url.host : 'null'; // // The href is just the compiled result. // url.href = url.toString(); } /** * This is convenience method for changing properties in the URL instance to * insure that they all propagate correctly. * * @param {String} part Property we need to adjust. * @param {Mixed} value The newly assigned value. * @param {Boolean|Function} fn When setting the query, it will be the function * used to parse the query. * When setting the protocol, double slash will be * removed from the final url if it is true. * @returns {URL} URL instance for chaining. * @public */ function set(part, value, fn) { var url = this; switch (part) { case 'query': if ('string' === typeof value && value.length) { value = (fn || qs.parse)(value); } url[part] = value; break; case 'port': url[part] = value; if (!required(value, url.protocol)) { url.host = url.hostname; url[part] = ''; } else if (value) { url.host = url.hostname +':'+ value; } break; case 'hostname': url[part] = value; if (url.port) value += ':'+ url.port; url.host = value; break; case 'host': url[part] = value; if (/:\d+$/.test(value)) { value = value.split(':'); url.port = value.pop(); url.hostname = value.join(':'); } else { url.hostname = value; url.port = ''; } break; case 'protocol': url.protocol = value.toLowerCase(); url.slashes = !fn; break; case 'pathname': case 'hash': if (value) { var char = part === 'pathname' ? '/' : '#'; url[part] = value.charAt(0) !== char ? char + value : value; } else { url[part] = value; } break; default: url[part] = value; } for (var i = 0; i < rules.length; i++) { var ins = rules[i]; if (ins[4]) url[ins[1]] = url[ins[1]].toLowerCase(); } url.origin = url.protocol && url.host && url.protocol !== 'file:' ? url.protocol +'//'+ url.host : 'null'; url.href = url.toString(); return url; } /** * Transform the properties back in to a valid and full URL string. * * @param {Function} stringify Optional query stringify function. * @returns {String} Compiled version of the URL. * @public */ function toString(stringify) { if (!stringify || 'function' !== typeof stringify) stringify = qs.stringify; var query , url = this , protocol = url.protocol; if (protocol && protocol.charAt(protocol.length - 1) !== ':') protocol += ':'; var result = protocol + (url.slashes ? '//' : ''); if (url.username) { result += url.username; if (url.password) result += ':'+ url.password; result += '@'; } result += url.host + url.pathname; query = 'object' === typeof url.query ? stringify(url.query) : url.query; if (query) result += '?' !== query.charAt(0) ? '?'+ query : query; if (url.hash) result += url.hash; return result; } Url.prototype = { set: set, toString: toString }; // // Expose the URL parser and some additional properties that might be useful for // others or testing. // Url.extractProtocol = extractProtocol; Url.location = lolcation; Url.qs = qs; module.exports = Url; }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"querystringify":59,"requires-port":60}]},{},[1])(1) }); //# sourceMappingURL=sockjs.js.map