| /* sockjs-client v1.3.0 | 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 || {}; |
| |
| 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 = (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.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 = '1.3.0'; |
| |
| },{}],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 |