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tiny-consent/node_modules/sockjs-client/dist/sockjs.js

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/* sockjs-client v1.4.0 | http://sockjs.org | MIT license */
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.SockJS = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
(function (global){
'use strict';
var transportList = require('./transport-list');
module.exports = require('./main')(transportList);
// TODO can't get rid of this until all servers do
if ('_sockjs_onload' in global) {
setTimeout(global._sockjs_onload, 1);
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./main":14,"./transport-list":16}],2:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, Event = require('./event')
;
function CloseEvent() {
Event.call(this);
this.initEvent('close', false, false);
this.wasClean = false;
this.code = 0;
this.reason = '';
}
inherits(CloseEvent, Event);
module.exports = CloseEvent;
},{"./event":4,"inherits":57}],3:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, EventTarget = require('./eventtarget')
;
function EventEmitter() {
EventTarget.call(this);
}
inherits(EventEmitter, EventTarget);
EventEmitter.prototype.removeAllListeners = function(type) {
if (type) {
delete this._listeners[type];
} else {
this._listeners = {};
}
};
EventEmitter.prototype.once = function(type, listener) {
var self = this
, fired = false;
function g() {
self.removeListener(type, g);
if (!fired) {
fired = true;
listener.apply(this, arguments);
}
}
this.on(type, g);
};
EventEmitter.prototype.emit = function() {
var type = arguments[0];
var listeners = this._listeners[type];
if (!listeners) {
return;
}
// equivalent of Array.prototype.slice.call(arguments, 1);
var l = arguments.length;
var args = new Array(l - 1);
for (var ai = 1; ai < l; ai++) {
args[ai - 1] = arguments[ai];
}
for (var i = 0; i < listeners.length; i++) {
listeners[i].apply(this, args);
}
};
EventEmitter.prototype.on = EventEmitter.prototype.addListener = EventTarget.prototype.addEventListener;
EventEmitter.prototype.removeListener = EventTarget.prototype.removeEventListener;
module.exports.EventEmitter = EventEmitter;
},{"./eventtarget":5,"inherits":57}],4:[function(require,module,exports){
'use strict';
function Event(eventType) {
this.type = eventType;
}
Event.prototype.initEvent = function(eventType, canBubble, cancelable) {
this.type = eventType;
this.bubbles = canBubble;
this.cancelable = cancelable;
this.timeStamp = +new Date();
return this;
};
Event.prototype.stopPropagation = function() {};
Event.prototype.preventDefault = function() {};
Event.CAPTURING_PHASE = 1;
Event.AT_TARGET = 2;
Event.BUBBLING_PHASE = 3;
module.exports = Event;
},{}],5:[function(require,module,exports){
'use strict';
/* Simplified implementation of DOM2 EventTarget.
* http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget
*/
function EventTarget() {
this._listeners = {};
}
EventTarget.prototype.addEventListener = function(eventType, listener) {
if (!(eventType in this._listeners)) {
this._listeners[eventType] = [];
}
var arr = this._listeners[eventType];
// #4
if (arr.indexOf(listener) === -1) {
// Make a copy so as not to interfere with a current dispatchEvent.
arr = arr.concat([listener]);
}
this._listeners[eventType] = arr;
};
EventTarget.prototype.removeEventListener = function(eventType, listener) {
var arr = this._listeners[eventType];
if (!arr) {
return;
}
var idx = arr.indexOf(listener);
if (idx !== -1) {
if (arr.length > 1) {
// Make a copy so as not to interfere with a current dispatchEvent.
this._listeners[eventType] = arr.slice(0, idx).concat(arr.slice(idx + 1));
} else {
delete this._listeners[eventType];
}
return;
}
};
EventTarget.prototype.dispatchEvent = function() {
var event = arguments[0];
var t = event.type;
// equivalent of Array.prototype.slice.call(arguments, 0);
var args = arguments.length === 1 ? [event] : Array.apply(null, arguments);
// TODO: This doesn't match the real behavior; per spec, onfoo get
// their place in line from the /first/ time they're set from
// non-null. Although WebKit bumps it to the end every time it's
// set.
if (this['on' + t]) {
this['on' + t].apply(this, args);
}
if (t in this._listeners) {
// Grab a reference to the listeners list. removeEventListener may alter the list.
var listeners = this._listeners[t];
for (var i = 0; i < listeners.length; i++) {
listeners[i].apply(this, args);
}
}
};
module.exports = EventTarget;
},{}],6:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, Event = require('./event')
;
function TransportMessageEvent(data) {
Event.call(this);
this.initEvent('message', false, false);
this.data = data;
}
inherits(TransportMessageEvent, Event);
module.exports = TransportMessageEvent;
},{"./event":4,"inherits":57}],7:[function(require,module,exports){
'use strict';
var JSON3 = require('json3')
, iframeUtils = require('./utils/iframe')
;
function FacadeJS(transport) {
this._transport = transport;
transport.on('message', this._transportMessage.bind(this));
transport.on('close', this._transportClose.bind(this));
}
FacadeJS.prototype._transportClose = function(code, reason) {
iframeUtils.postMessage('c', JSON3.stringify([code, reason]));
};
FacadeJS.prototype._transportMessage = function(frame) {
iframeUtils.postMessage('t', frame);
};
FacadeJS.prototype._send = function(data) {
this._transport.send(data);
};
FacadeJS.prototype._close = function() {
this._transport.close();
this._transport.removeAllListeners();
};
module.exports = FacadeJS;
},{"./utils/iframe":47,"json3":58}],8:[function(require,module,exports){
(function (process){
'use strict';
var urlUtils = require('./utils/url')
, eventUtils = require('./utils/event')
, JSON3 = require('json3')
, FacadeJS = require('./facade')
, InfoIframeReceiver = require('./info-iframe-receiver')
, iframeUtils = require('./utils/iframe')
, loc = require('./location')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:iframe-bootstrap');
}
module.exports = function(SockJS, availableTransports) {
var transportMap = {};
availableTransports.forEach(function(at) {
if (at.facadeTransport) {
transportMap[at.facadeTransport.transportName] = at.facadeTransport;
}
});
// hard-coded for the info iframe
// TODO see if we can make this more dynamic
transportMap[InfoIframeReceiver.transportName] = InfoIframeReceiver;
var parentOrigin;
/* eslint-disable camelcase */
SockJS.bootstrap_iframe = function() {
/* eslint-enable camelcase */
var facade;
iframeUtils.currentWindowId = loc.hash.slice(1);
var onMessage = function(e) {
if (e.source !== parent) {
return;
}
if (typeof parentOrigin === 'undefined') {
parentOrigin = e.origin;
}
if (e.origin !== parentOrigin) {
return;
}
var iframeMessage;
try {
iframeMessage = JSON3.parse(e.data);
} catch (ignored) {
debug('bad json', e.data);
return;
}
if (iframeMessage.windowId !== iframeUtils.currentWindowId) {
return;
}
switch (iframeMessage.type) {
case 's':
var p;
try {
p = JSON3.parse(iframeMessage.data);
} catch (ignored) {
debug('bad json', iframeMessage.data);
break;
}
var version = p[0];
var transport = p[1];
var transUrl = p[2];
var baseUrl = p[3];
debug(version, transport, transUrl, baseUrl);
// change this to semver logic
if (version !== SockJS.version) {
throw new Error('Incompatible SockJS! Main site uses:' +
' "' + version + '", the iframe:' +
' "' + SockJS.version + '".');
}
if (!urlUtils.isOriginEqual(transUrl, loc.href) ||
!urlUtils.isOriginEqual(baseUrl, loc.href)) {
throw new Error('Can\'t connect to different domain from within an ' +
'iframe. (' + loc.href + ', ' + transUrl + ', ' + baseUrl + ')');
}
facade = new FacadeJS(new transportMap[transport](transUrl, baseUrl));
break;
case 'm':
facade._send(iframeMessage.data);
break;
case 'c':
if (facade) {
facade._close();
}
facade = null;
break;
}
};
eventUtils.attachEvent('message', onMessage);
// Start
iframeUtils.postMessage('s');
};
};
}).call(this,{ env: {} })
},{"./facade":7,"./info-iframe-receiver":10,"./location":13,"./utils/event":46,"./utils/iframe":47,"./utils/url":52,"debug":55,"json3":58}],9:[function(require,module,exports){
(function (process){
'use strict';
var EventEmitter = require('events').EventEmitter
, inherits = require('inherits')
, JSON3 = require('json3')
, objectUtils = require('./utils/object')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:info-ajax');
}
function InfoAjax(url, AjaxObject) {
EventEmitter.call(this);
var self = this;
var t0 = +new Date();
this.xo = new AjaxObject('GET', url);
this.xo.once('finish', function(status, text) {
var info, rtt;
if (status === 200) {
rtt = (+new Date()) - t0;
if (text) {
try {
info = JSON3.parse(text);
} catch (e) {
debug('bad json', text);
}
}
if (!objectUtils.isObject(info)) {
info = {};
}
}
self.emit('finish', info, rtt);
self.removeAllListeners();
});
}
inherits(InfoAjax, EventEmitter);
InfoAjax.prototype.close = function() {
this.removeAllListeners();
this.xo.close();
};
module.exports = InfoAjax;
}).call(this,{ env: {} })
},{"./utils/object":49,"debug":55,"events":3,"inherits":57,"json3":58}],10:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, EventEmitter = require('events').EventEmitter
, JSON3 = require('json3')
, XHRLocalObject = require('./transport/sender/xhr-local')
, InfoAjax = require('./info-ajax')
;
function InfoReceiverIframe(transUrl) {
var self = this;
EventEmitter.call(this);
this.ir = new InfoAjax(transUrl, XHRLocalObject);
this.ir.once('finish', function(info, rtt) {
self.ir = null;
self.emit('message', JSON3.stringify([info, rtt]));
});
}
inherits(InfoReceiverIframe, EventEmitter);
InfoReceiverIframe.transportName = 'iframe-info-receiver';
InfoReceiverIframe.prototype.close = function() {
if (this.ir) {
this.ir.close();
this.ir = null;
}
this.removeAllListeners();
};
module.exports = InfoReceiverIframe;
},{"./info-ajax":9,"./transport/sender/xhr-local":37,"events":3,"inherits":57,"json3":58}],11:[function(require,module,exports){
(function (process,global){
'use strict';
var EventEmitter = require('events').EventEmitter
, inherits = require('inherits')
, JSON3 = require('json3')
, utils = require('./utils/event')
, IframeTransport = require('./transport/iframe')
, InfoReceiverIframe = require('./info-iframe-receiver')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:info-iframe');
}
function InfoIframe(baseUrl, url) {
var self = this;
EventEmitter.call(this);
var go = function() {
var ifr = self.ifr = new IframeTransport(InfoReceiverIframe.transportName, url, baseUrl);
ifr.once('message', function(msg) {
if (msg) {
var d;
try {
d = JSON3.parse(msg);
} catch (e) {
debug('bad json', msg);
self.emit('finish');
self.close();
return;
}
var info = d[0], rtt = d[1];
self.emit('finish', info, rtt);
}
self.close();
});
ifr.once('close', function() {
self.emit('finish');
self.close();
});
};
// TODO this seems the same as the 'needBody' from transports
if (!global.document.body) {
utils.attachEvent('load', go);
} else {
go();
}
}
inherits(InfoIframe, EventEmitter);
InfoIframe.enabled = function() {
return IframeTransport.enabled();
};
InfoIframe.prototype.close = function() {
if (this.ifr) {
this.ifr.close();
}
this.removeAllListeners();
this.ifr = null;
};
module.exports = InfoIframe;
}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./info-iframe-receiver":10,"./transport/iframe":22,"./utils/event":46,"debug":55,"events":3,"inherits":57,"json3":58}],12:[function(require,module,exports){
(function (process){
'use strict';
var EventEmitter = require('events').EventEmitter
, inherits = require('inherits')
, urlUtils = require('./utils/url')
, XDR = require('./transport/sender/xdr')
, XHRCors = require('./transport/sender/xhr-cors')
, XHRLocal = require('./transport/sender/xhr-local')
, XHRFake = require('./transport/sender/xhr-fake')
, InfoIframe = require('./info-iframe')
, InfoAjax = require('./info-ajax')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:info-receiver');
}
function InfoReceiver(baseUrl, urlInfo) {
debug(baseUrl);
var self = this;
EventEmitter.call(this);
setTimeout(function() {
self.doXhr(baseUrl, urlInfo);
}, 0);
}
inherits(InfoReceiver, EventEmitter);
// TODO this is currently ignoring the list of available transports and the whitelist
InfoReceiver._getReceiver = function(baseUrl, url, urlInfo) {
// determine method of CORS support (if needed)
if (urlInfo.sameOrigin) {
return new InfoAjax(url, XHRLocal);
}
if (XHRCors.enabled) {
return new InfoAjax(url, XHRCors);
}
if (XDR.enabled && urlInfo.sameScheme) {
return new InfoAjax(url, XDR);
}
if (InfoIframe.enabled()) {
return new InfoIframe(baseUrl, url);
}
return new InfoAjax(url, XHRFake);
};
InfoReceiver.prototype.doXhr = function(baseUrl, urlInfo) {
var self = this
, url = urlUtils.addPath(baseUrl, '/info')
;
debug('doXhr', url);
this.xo = InfoReceiver._getReceiver(baseUrl, url, urlInfo);
this.timeoutRef = setTimeout(function() {
debug('timeout');
self._cleanup(false);
self.emit('finish');
}, InfoReceiver.timeout);
this.xo.once('finish', function(info, rtt) {
debug('finish', info, rtt);
self._cleanup(true);
self.emit('finish', info, rtt);
});
};
InfoReceiver.prototype._cleanup = function(wasClean) {
debug('_cleanup');
clearTimeout(this.timeoutRef);
this.timeoutRef = null;
if (!wasClean && this.xo) {
this.xo.close();
}
this.xo = null;
};
InfoReceiver.prototype.close = function() {
debug('close');
this.removeAllListeners();
this._cleanup(false);
};
InfoReceiver.timeout = 8000;
module.exports = InfoReceiver;
}).call(this,{ env: {} })
},{"./info-ajax":9,"./info-iframe":11,"./transport/sender/xdr":34,"./transport/sender/xhr-cors":35,"./transport/sender/xhr-fake":36,"./transport/sender/xhr-local":37,"./utils/url":52,"debug":55,"events":3,"inherits":57}],13:[function(require,module,exports){
(function (global){
'use strict';
module.exports = global.location || {
origin: 'http://localhost:80'
, protocol: 'http:'
, host: 'localhost'
, port: 80
, href: 'http://localhost/'
, hash: ''
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],14:[function(require,module,exports){
(function (process,global){
'use strict';
require('./shims');
var URL = require('url-parse')
, inherits = require('inherits')
, JSON3 = require('json3')
, random = require('./utils/random')
, escape = require('./utils/escape')
, urlUtils = require('./utils/url')
, eventUtils = require('./utils/event')
, transport = require('./utils/transport')
, objectUtils = require('./utils/object')
, browser = require('./utils/browser')
, log = require('./utils/log')
, Event = require('./event/event')
, EventTarget = require('./event/eventtarget')
, loc = require('./location')
, CloseEvent = require('./event/close')
, TransportMessageEvent = require('./event/trans-message')
, InfoReceiver = require('./info-receiver')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:main');
}
var transports;
// follow constructor steps defined at http://dev.w3.org/html5/websockets/#the-websocket-interface
function SockJS(url, protocols, options) {
if (!(this instanceof SockJS)) {
return new SockJS(url, protocols, options);
}
if (arguments.length < 1) {
throw new TypeError("Failed to construct 'SockJS: 1 argument required, but only 0 present");
}
EventTarget.call(this);
this.readyState = SockJS.CONNECTING;
this.extensions = '';
this.protocol = '';
// non-standard extension
options = options || {};
if (options.protocols_whitelist) {
log.warn("'protocols_whitelist' is DEPRECATED. Use 'transports' instead.");
}
this._transportsWhitelist = options.transports;
this._transportOptions = options.transportOptions || {};
this._timeout = options.timeout || 0;
var sessionId = options.sessionId || 8;
if (typeof sessionId === 'function') {
this._generateSessionId = sessionId;
} else if (typeof sessionId === 'number') {
this._generateSessionId = function() {
return random.string(sessionId);
};
} else {
throw new TypeError('If sessionId is used in the options, it needs to be a number or a function.');
}
this._server = options.server || random.numberString(1000);
// Step 1 of WS spec - parse and validate the url. Issue #8
var parsedUrl = new URL(url);
if (!parsedUrl.host || !parsedUrl.protocol) {
throw new SyntaxError("The URL '" + url + "' is invalid");
} else if (parsedUrl.hash) {
throw new SyntaxError('The URL must not contain a fragment');
} else if (parsedUrl.protocol !== 'http:' && parsedUrl.protocol !== 'https:') {
throw new SyntaxError("The URL's scheme must be either 'http:' or 'https:'. '" + parsedUrl.protocol + "' is not allowed.");
}
var secure = parsedUrl.protocol === 'https:';
// Step 2 - don't allow secure origin with an insecure protocol
if (loc.protocol === 'https:' && !secure) {
throw new Error('SecurityError: An insecure SockJS connection may not be initiated from a page loaded over HTTPS');
}
// Step 3 - check port access - no need here
// Step 4 - parse protocols argument
if (!protocols) {
protocols = [];
} else if (!Array.isArray(protocols)) {
protocols = [protocols];
}
// Step 5 - check protocols argument
var sortedProtocols = protocols.sort();
sortedProtocols.forEach(function(proto, i) {
if (!proto) {
throw new SyntaxError("The protocols entry '" + proto + "' is invalid.");
}
if (i < (sortedProtocols.length - 1) && proto === sortedProtocols[i + 1]) {
throw new SyntaxError("The protocols entry '" + proto + "' is duplicated.");
}
});
// Step 6 - convert origin
var o = urlUtils.getOrigin(loc.href);
this._origin = o ? o.toLowerCase() : null;
// remove the trailing slash
parsedUrl.set('pathname', parsedUrl.pathname.replace(/\/+$/, ''));
// store the sanitized url
this.url = parsedUrl.href;
debug('using url', this.url);
// Step 7 - start connection in background
// obtain server info
// http://sockjs.github.io/sockjs-protocol/sockjs-protocol-0.3.3.html#section-26
this._urlInfo = {
nullOrigin: !browser.hasDomain()
, sameOrigin: urlUtils.isOriginEqual(this.url, loc.href)
, sameScheme: urlUtils.isSchemeEqual(this.url, loc.href)
};
this._ir = new InfoReceiver(this.url, this._urlInfo);
this._ir.once('finish', this._receiveInfo.bind(this));
}
inherits(SockJS, EventTarget);
function userSetCode(code) {
return code === 1000 || (code >= 3000 && code <= 4999);
}
SockJS.prototype.close = function(code, reason) {
// Step 1
if (code && !userSetCode(code)) {
throw new Error('InvalidAccessError: Invalid code');
}
// Step 2.4 states the max is 123 bytes, but we are just checking length
if (reason && reason.length > 123) {
throw new SyntaxError('reason argument has an invalid length');
}
// Step 3.1
if (this.readyState === SockJS.CLOSING || this.readyState === SockJS.CLOSED) {
return;
}
// TODO look at docs to determine how to set this
var wasClean = true;
this._close(code || 1000, reason || 'Normal closure', wasClean);
};
SockJS.prototype.send = function(data) {
// #13 - convert anything non-string to string
// TODO this currently turns objects into [object Object]
if (typeof data !== 'string') {
data = '' + data;
}
if (this.readyState === SockJS.CONNECTING) {
throw new Error('InvalidStateError: The connection has not been established yet');
}
if (this.readyState !== SockJS.OPEN) {
return;
}
this._transport.send(escape.quote(data));
};
SockJS.version = require('./version');
SockJS.CONNECTING = 0;
SockJS.OPEN = 1;
SockJS.CLOSING = 2;
SockJS.CLOSED = 3;
SockJS.prototype._receiveInfo = function(info, rtt) {
debug('_receiveInfo', rtt);
this._ir = null;
if (!info) {
this._close(1002, 'Cannot connect to server');
return;
}
// establish a round-trip timeout (RTO) based on the
// round-trip time (RTT)
this._rto = this.countRTO(rtt);
// allow server to override url used for the actual transport
this._transUrl = info.base_url ? info.base_url : this.url;
info = objectUtils.extend(info, this._urlInfo);
debug('info', info);
// determine list of desired and supported transports
var enabledTransports = transports.filterToEnabled(this._transportsWhitelist, info);
this._transports = enabledTransports.main;
debug(this._transports.length + ' enabled transports');
this._connect();
};
SockJS.prototype._connect = function() {
for (var Transport = this._transports.shift(); Transport; Transport = this._transports.shift()) {
debug('attempt', Transport.transportName);
if (Transport.needBody) {
if (!global.document.body ||
(typeof global.document.readyState !== 'undefined' &&
global.document.readyState !== 'complete' &&
global.document.readyState !== 'interactive')) {
debug('waiting for body');
this._transports.unshift(Transport);
eventUtils.attachEvent('load', this._connect.bind(this));
return;
}
}
// calculate timeout based on RTO and round trips. Default to 5s
var timeoutMs = Math.max(this._timeout, (this._rto * Transport.roundTrips) || 5000);
this._transportTimeoutId = setTimeout(this._transportTimeout.bind(this), timeoutMs);
debug('using timeout', timeoutMs);
var transportUrl = urlUtils.addPath(this._transUrl, '/' + this._server + '/' + this._generateSessionId());
var options = this._transportOptions[Transport.transportName];
debug('transport url', transportUrl);
var transportObj = new Transport(transportUrl, this._transUrl, options);
transportObj.on('message', this._transportMessage.bind(this));
transportObj.once('close', this._transportClose.bind(this));
transportObj.transportName = Transport.transportName;
this._transport = transportObj;
return;
}
this._close(2000, 'All transports failed', false);
};
SockJS.prototype._transportTimeout = function() {
debug('_transportTimeout');
if (this.readyState === SockJS.CONNECTING) {
if (this._transport) {
this._transport.close();
}
this._transportClose(2007, 'Transport timed out');
}
};
SockJS.prototype._transportMessage = function(msg) {
debug('_transportMessage', msg);
var self = this
, type = msg.slice(0, 1)
, content = msg.slice(1)
, payload
;
// first check for messages that don't need a payload
switch (type) {
case 'o':
this._open();
return;
case 'h':
this.dispatchEvent(new Event('heartbeat'));
debug('heartbeat', this.transport);
return;
}
if (content) {
try {
payload = JSON3.parse(content);
} catch (e) {
debug('bad json', content);
}
}
if (typeof payload === 'undefined') {
debug('empty payload', content);
return;
}
switch (type) {
case 'a':
if (Array.isArray(payload)) {
payload.forEach(function(p) {
debug('message', self.transport, p);
self.dispatchEvent(new TransportMessageEvent(p));
});
}
break;
case 'm':
debug('message', this.transport, payload);
this.dispatchEvent(new TransportMessageEvent(payload));
break;
case 'c':
if (Array.isArray(payload) && payload.length === 2) {
this._close(payload[0], payload[1], true);
}
break;
}
};
SockJS.prototype._transportClose = function(code, reason) {
debug('_transportClose', this.transport, code, reason);
if (this._transport) {
this._transport.removeAllListeners();
this._transport = null;
this.transport = null;
}
if (!userSetCode(code) && code !== 2000 && this.readyState === SockJS.CONNECTING) {
this._connect();
return;
}
this._close(code, reason);
};
SockJS.prototype._open = function() {
debug('_open', this._transport && this._transport.transportName, this.readyState);
if (this.readyState === SockJS.CONNECTING) {
if (this._transportTimeoutId) {
clearTimeout(this._transportTimeoutId);
this._transportTimeoutId = null;
}
this.readyState = SockJS.OPEN;
this.transport = this._transport.transportName;
this.dispatchEvent(new Event('open'));
debug('connected', this.transport);
} else {
// The server might have been restarted, and lost track of our
// connection.
this._close(1006, 'Server lost session');
}
};
SockJS.prototype._close = function(code, reason, wasClean) {
debug('_close', this.transport, code, reason, wasClean, this.readyState);
var forceFail = false;
if (this._ir) {
forceFail = true;
this._ir.close();
this._ir = null;
}
if (this._transport) {
this._transport.close();
this._transport = null;
this.transport = null;
}
if (this.readyState === SockJS.CLOSED) {
throw new Error('InvalidStateError: SockJS has already been closed');
}
this.readyState = SockJS.CLOSING;
setTimeout(function() {
this.readyState = SockJS.CLOSED;
if (forceFail) {
this.dispatchEvent(new Event('error'));
}
var e = new CloseEvent('close');
e.wasClean = wasClean || false;
e.code = code || 1000;
e.reason = reason;
this.dispatchEvent(e);
this.onmessage = this.onclose = this.onerror = null;
debug('disconnected');
}.bind(this), 0);
};
// See: http://www.erg.abdn.ac.uk/~gerrit/dccp/notes/ccid2/rto_estimator/
// and RFC 2988.
SockJS.prototype.countRTO = function(rtt) {
// In a local environment, when using IE8/9 and the `jsonp-polling`
// transport the time needed to establish a connection (the time that pass
// from the opening of the transport to the call of `_dispatchOpen`) is
// around 200msec (the lower bound used in the article above) and this
// causes spurious timeouts. For this reason we calculate a value slightly
// larger than that used in the article.
if (rtt > 100) {
return 4 * rtt; // rto > 400msec
}
return 300 + rtt; // 300msec < rto <= 400msec
};
module.exports = function(availableTransports) {
transports = transport(availableTransports);
require('./iframe-bootstrap')(SockJS, availableTransports);
return SockJS;
};
}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./event/close":2,"./event/event":4,"./event/eventtarget":5,"./event/trans-message":6,"./iframe-bootstrap":8,"./info-receiver":12,"./location":13,"./shims":15,"./utils/browser":44,"./utils/escape":45,"./utils/event":46,"./utils/log":48,"./utils/object":49,"./utils/random":50,"./utils/transport":51,"./utils/url":52,"./version":53,"debug":55,"inherits":57,"json3":58,"url-parse":61}],15:[function(require,module,exports){
/* eslint-disable */
/* jscs: disable */
'use strict';
// pulled specific shims from https://github.com/es-shims/es5-shim
var ArrayPrototype = Array.prototype;
var ObjectPrototype = Object.prototype;
var FunctionPrototype = Function.prototype;
var StringPrototype = String.prototype;
var array_slice = ArrayPrototype.slice;
var _toString = ObjectPrototype.toString;
var isFunction = function (val) {
return ObjectPrototype.toString.call(val) === '[object Function]';
};
var isArray = function isArray(obj) {
return _toString.call(obj) === '[object Array]';
};
var isString = function isString(obj) {
return _toString.call(obj) === '[object String]';
};
var supportsDescriptors = Object.defineProperty && (function () {
try {
Object.defineProperty({}, 'x', {});
return true;
} catch (e) { /* this is ES3 */
return false;
}
}());
// Define configurable, writable and non-enumerable props
// if they don't exist.
var defineProperty;
if (supportsDescriptors) {
defineProperty = function (object, name, method, forceAssign) {
if (!forceAssign && (name in object)) { return; }
Object.defineProperty(object, name, {
configurable: true,
enumerable: false,
writable: true,
value: method
});
};
} else {
defineProperty = function (object, name, method, forceAssign) {
if (!forceAssign && (name in object)) { return; }
object[name] = method;
};
}
var defineProperties = function (object, map, forceAssign) {
for (var name in map) {
if (ObjectPrototype.hasOwnProperty.call(map, name)) {
defineProperty(object, name, map[name], forceAssign);
}
}
};
var toObject = function (o) {
if (o == null) { // this matches both null and undefined
throw new TypeError("can't convert " + o + ' to object');
}
return Object(o);
};
//
// Util
// ======
//
// ES5 9.4
// http://es5.github.com/#x9.4
// http://jsperf.com/to-integer
function toInteger(num) {
var n = +num;
if (n !== n) { // isNaN
n = 0;
} else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
n = (n > 0 || -1) * Math.floor(Math.abs(n));
}
return n;
}
function ToUint32(x) {
return x >>> 0;
}
//
// Function
// ========
//
// ES-5 15.3.4.5
// http://es5.github.com/#x15.3.4.5
function Empty() {}
defineProperties(FunctionPrototype, {
bind: function bind(that) { // .length is 1
// 1. Let Target be the this value.
var target = this;
// 2. If IsCallable(Target) is false, throw a TypeError exception.
if (!isFunction(target)) {
throw new TypeError('Function.prototype.bind called on incompatible ' + target);
}
// 3. Let A be a new (possibly empty) internal list of all of the
// argument values provided after thisArg (arg1, arg2 etc), in order.
// XXX slicedArgs will stand in for "A" if used
var args = array_slice.call(arguments, 1); // for normal call
// 4. Let F be a new native ECMAScript object.
// 11. Set the [[Prototype]] internal property of F to the standard
// built-in Function prototype object as specified in 15.3.3.1.
// 12. Set the [[Call]] internal property of F as described in
// 15.3.4.5.1.
// 13. Set the [[Construct]] internal property of F as described in
// 15.3.4.5.2.
// 14. Set the [[HasInstance]] internal property of F as described in
// 15.3.4.5.3.
var binder = function () {
if (this instanceof bound) {
// 15.3.4.5.2 [[Construct]]
// When the [[Construct]] internal method of a function object,
// F that was created using the bind function is called with a
// list of arguments ExtraArgs, the following steps are taken:
// 1. Let target be the value of F's [[TargetFunction]]
// internal property.
// 2. If target has no [[Construct]] internal method, a
// TypeError exception is thrown.
// 3. Let boundArgs be the value of F's [[BoundArgs]] internal
// property.
// 4. Let args be a new list containing the same values as the
// list boundArgs in the same order followed by the same
// values as the list ExtraArgs in the same order.
// 5. Return the result of calling the [[Construct]] internal
// method of target providing args as the arguments.
var result = target.apply(
this,
args.concat(array_slice.call(arguments))
);
if (Object(result) === result) {
return result;
}
return this;
} else {
// 15.3.4.5.1 [[Call]]
// When the [[Call]] internal method of a function object, F,
// which was created using the bind function is called with a
// this value and a list of arguments ExtraArgs, the following
// steps are taken:
// 1. Let boundArgs be the value of F's [[BoundArgs]] internal
// property.
// 2. Let boundThis be the value of F's [[BoundThis]] internal
// property.
// 3. Let target be the value of F's [[TargetFunction]] internal
// property.
// 4. Let args be a new list containing the same values as the
// list boundArgs in the same order followed by the same
// values as the list ExtraArgs in the same order.
// 5. Return the result of calling the [[Call]] internal method
// of target providing boundThis as the this value and
// providing args as the arguments.
// equiv: target.call(this, ...boundArgs, ...args)
return target.apply(
that,
args.concat(array_slice.call(arguments))
);
}
};
// 15. If the [[Class]] internal property of Target is "Function", then
// a. Let L be the length property of Target minus the length of A.
// b. Set the length own property of F to either 0 or L, whichever is
// larger.
// 16. Else set the length own property of F to 0.
var boundLength = Math.max(0, target.length - args.length);
// 17. Set the attributes of the length own property of F to the values
// specified in 15.3.5.1.
var boundArgs = [];
for (var i = 0; i < boundLength; i++) {
boundArgs.push('$' + i);
}
// XXX Build a dynamic function with desired amount of arguments is the only
// way to set the length property of a function.
// In environments where Content Security Policies enabled (Chrome extensions,
// for ex.) all use of eval or Function costructor throws an exception.
// However in all of these environments Function.prototype.bind exists
// and so this code will never be executed.
var bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder);
if (target.prototype) {
Empty.prototype = target.prototype;
bound.prototype = new Empty();
// Clean up dangling references.
Empty.prototype = null;
}
// TODO
// 18. Set the [[Extensible]] internal property of F to true.
// TODO
// 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
// 20. Call the [[DefineOwnProperty]] internal method of F with
// arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
// thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
// false.
// 21. Call the [[DefineOwnProperty]] internal method of F with
// arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
// [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
// and false.
// TODO
// NOTE Function objects created using Function.prototype.bind do not
// have a prototype property or the [[Code]], [[FormalParameters]], and
// [[Scope]] internal properties.
// XXX can't delete prototype in pure-js.
// 22. Return F.
return bound;
}
});
//
// Array
// =====
//
// ES5 15.4.3.2
// http://es5.github.com/#x15.4.3.2
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
defineProperties(Array, { isArray: isArray });
var boxedString = Object('a');
var splitString = boxedString[0] !== 'a' || !(0 in boxedString);
var properlyBoxesContext = function properlyBoxed(method) {
// Check node 0.6.21 bug where third parameter is not boxed
var properlyBoxesNonStrict = true;
var properlyBoxesStrict = true;
if (method) {
method.call('foo', function (_, __, context) {
if (typeof context !== 'object') { properlyBoxesNonStrict = false; }
});
method.call([1], function () {
'use strict';
properlyBoxesStrict = typeof this === 'string';
}, 'x');
}
return !!method && properlyBoxesNonStrict && properlyBoxesStrict;
};
defineProperties(ArrayPrototype, {
forEach: function forEach(fun /*, thisp*/) {
var object = toObject(this),
self = splitString && isString(this) ? this.split('') : object,
thisp = arguments[1],
i = -1,
length = self.length >>> 0;
// If no callback function or if callback is not a callable function
if (!isFunction(fun)) {
throw new TypeError(); // TODO message
}
while (++i < length) {
if (i in self) {
// Invoke the callback function with call, passing arguments:
// context, property value, property key, thisArg object
// context
fun.call(thisp, self[i], i, object);
}
}
}
}, !properlyBoxesContext(ArrayPrototype.forEach));
// ES5 15.4.4.14
// http://es5.github.com/#x15.4.4.14
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
var hasFirefox2IndexOfBug = Array.prototype.indexOf && [0, 1].indexOf(1, 2) !== -1;
defineProperties(ArrayPrototype, {
indexOf: function indexOf(sought /*, fromIndex */ ) {
var self = splitString && isString(this) ? this.split('') : toObject(this),
length = self.length >>> 0;
if (!length) {
return -1;
}
var i = 0;
if (arguments.length > 1) {
i = toInteger(arguments[1]);
}
// handle negative indices
i = i >= 0 ? i : Math.max(0, length + i);
for (; i < length; i++) {
if (i in self && self[i] === sought) {
return i;
}
}
return -1;
}
}, hasFirefox2IndexOfBug);
//
// String
// ======
//
// ES5 15.5.4.14
// http://es5.github.com/#x15.5.4.14
// [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers]
// Many browsers do not split properly with regular expressions or they
// do not perform the split correctly under obscure conditions.
// See http://blog.stevenlevithan.com/archives/cross-browser-split
// I've tested in many browsers and this seems to cover the deviant ones:
// 'ab'.split(/(?:ab)*/) should be ["", ""], not [""]
// '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""]
// 'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not
// [undefined, "t", undefined, "e", ...]
// ''.split(/.?/) should be [], not [""]
// '.'.split(/()()/) should be ["."], not ["", "", "."]
var string_split = StringPrototype.split;
if (
'ab'.split(/(?:ab)*/).length !== 2 ||
'.'.split(/(.?)(.?)/).length !== 4 ||
'tesst'.split(/(s)*/)[1] === 't' ||
'test'.split(/(?:)/, -1).length !== 4 ||
''.split(/.?/).length ||
'.'.split(/()()/).length > 1
) {
(function () {
var compliantExecNpcg = /()??/.exec('')[1] === void 0; // NPCG: nonparticipating capturing group
StringPrototype.split = function (separator, limit) {
var string = this;
if (separator === void 0 && limit === 0) {
return [];
}
// If `separator` is not a regex, use native split
if (_toString.call(separator) !== '[object RegExp]') {
return string_split.call(this, separator, limit);
}
var output = [],
flags = (separator.ignoreCase ? 'i' : '') +
(separator.multiline ? 'm' : '') +
(separator.extended ? 'x' : '') + // Proposed for ES6
(separator.sticky ? 'y' : ''), // Firefox 3+
lastLastIndex = 0,
// Make `global` and avoid `lastIndex` issues by working with a copy
separator2, match, lastIndex, lastLength;
separator = new RegExp(separator.source, flags + 'g');
string += ''; // Type-convert
if (!compliantExecNpcg) {
// Doesn't need flags gy, but they don't hurt
separator2 = new RegExp('^' + separator.source + '$(?!\\s)', flags);
}
/* Values for `limit`, per the spec:
* If undefined: 4294967295 // Math.pow(2, 32) - 1
* If 0, Infinity, or NaN: 0
* If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296;
* If negative number: 4294967296 - Math.floor(Math.abs(limit))
* If other: Type-convert, then use the above rules
*/
limit = limit === void 0 ?
-1 >>> 0 : // Math.pow(2, 32) - 1
ToUint32(limit);
while (match = separator.exec(string)) {
// `separator.lastIndex` is not reliable cross-browser
lastIndex = match.index + match[0].length;
if (lastIndex > lastLastIndex) {
output.push(string.slice(lastLastIndex, match.index));
// Fix browsers whose `exec` methods don't consistently return `undefined` for
// nonparticipating capturing groups
if (!compliantExecNpcg && match.length > 1) {
match[0].replace(separator2, function () {
for (var i = 1; i < arguments.length - 2; i++) {
if (arguments[i] === void 0) {
match[i] = void 0;
}
}
});
}
if (match.length > 1 && match.index < string.length) {
ArrayPrototype.push.apply(output, match.slice(1));
}
lastLength = match[0].length;
lastLastIndex = lastIndex;
if (output.length >= limit) {
break;
}
}
if (separator.lastIndex === match.index) {
separator.lastIndex++; // Avoid an infinite loop
}
}
if (lastLastIndex === string.length) {
if (lastLength || !separator.test('')) {
output.push('');
}
} else {
output.push(string.slice(lastLastIndex));
}
return output.length > limit ? output.slice(0, limit) : output;
};
}());
// [bugfix, chrome]
// If separator is undefined, then the result array contains just one String,
// which is the this value (converted to a String). If limit is not undefined,
// then the output array is truncated so that it contains no more than limit
// elements.
// "0".split(undefined, 0) -> []
} else if ('0'.split(void 0, 0).length) {
StringPrototype.split = function split(separator, limit) {
if (separator === void 0 && limit === 0) { return []; }
return string_split.call(this, separator, limit);
};
}
// ECMA-262, 3rd B.2.3
// Not an ECMAScript standard, although ECMAScript 3rd Edition has a
// non-normative section suggesting uniform semantics and it should be
// normalized across all browsers
// [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE
var string_substr = StringPrototype.substr;
var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b';
defineProperties(StringPrototype, {
substr: function substr(start, length) {
return string_substr.call(
this,
start < 0 ? ((start = this.length + start) < 0 ? 0 : start) : start,
length
);
}
}, hasNegativeSubstrBug);
},{}],16:[function(require,module,exports){
'use strict';
module.exports = [
// streaming transports
require('./transport/websocket')
, require('./transport/xhr-streaming')
, require('./transport/xdr-streaming')
, require('./transport/eventsource')
, require('./transport/lib/iframe-wrap')(require('./transport/eventsource'))
// polling transports
, require('./transport/htmlfile')
, require('./transport/lib/iframe-wrap')(require('./transport/htmlfile'))
, require('./transport/xhr-polling')
, require('./transport/xdr-polling')
, require('./transport/lib/iframe-wrap')(require('./transport/xhr-polling'))
, require('./transport/jsonp-polling')
];
},{"./transport/eventsource":20,"./transport/htmlfile":21,"./transport/jsonp-polling":23,"./transport/lib/iframe-wrap":26,"./transport/websocket":38,"./transport/xdr-polling":39,"./transport/xdr-streaming":40,"./transport/xhr-polling":41,"./transport/xhr-streaming":42}],17:[function(require,module,exports){
(function (process,global){
'use strict';
var EventEmitter = require('events').EventEmitter
, inherits = require('inherits')
, utils = require('../../utils/event')
, urlUtils = require('../../utils/url')
, XHR = global.XMLHttpRequest
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:browser:xhr');
}
function AbstractXHRObject(method, url, payload, opts) {
debug(method, url);
var self = this;
EventEmitter.call(this);
setTimeout(function () {
self._start(method, url, payload, opts);
}, 0);
}
inherits(AbstractXHRObject, EventEmitter);
AbstractXHRObject.prototype._start = function(method, url, payload, opts) {
var self = this;
try {
this.xhr = new XHR();
} catch (x) {
// intentionally empty
}
if (!this.xhr) {
debug('no xhr');
this.emit('finish', 0, 'no xhr support');
this._cleanup();
return;
}
// several browsers cache POSTs
url = urlUtils.addQuery(url, 't=' + (+new Date()));
// Explorer tends to keep connection open, even after the
// tab gets closed: http://bugs.jquery.com/ticket/5280
this.unloadRef = utils.unloadAdd(function() {
debug('unload cleanup');
self._cleanup(true);
});
try {
this.xhr.open(method, url, true);
if (this.timeout && 'timeout' in this.xhr) {
this.xhr.timeout = this.timeout;
this.xhr.ontimeout = function() {
debug('xhr timeout');
self.emit('finish', 0, '');
self._cleanup(false);
};
}
} catch (e) {
debug('exception', e);
// IE raises an exception on wrong port.
this.emit('finish', 0, '');
this._cleanup(false);
return;
}
if ((!opts || !opts.noCredentials) && AbstractXHRObject.supportsCORS) {
debug('withCredentials');
// Mozilla docs says https://developer.mozilla.org/en/XMLHttpRequest :
// "This never affects same-site requests."
this.xhr.withCredentials = true;
}
if (opts && opts.headers) {
for (var key in opts.headers) {
this.xhr.setRequestHeader(key, opts.headers[key]);
}
}
this.xhr.onreadystatechange = function() {
if (self.xhr) {
var x = self.xhr;
var text, status;
debug('readyState', x.readyState);
switch (x.readyState) {
case 3:
// IE doesn't like peeking into responseText or status
// on Microsoft.XMLHTTP and readystate=3
try {
status = x.status;
text = x.responseText;
} catch (e) {
// intentionally empty
}
debug('status', status);
// IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450
if (status === 1223) {
status = 204;
}
// IE does return readystate == 3 for 404 answers.
if (status === 200 && text && text.length > 0) {
debug('chunk');
self.emit('chunk', status, text);
}
break;
case 4:
status = x.status;
debug('status', status);
// IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450
if (status === 1223) {
status = 204;
}
// IE returns this for a bad port
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa383770(v=vs.85).aspx
if (status === 12005 || status === 12029) {
status = 0;
}
debug('finish', status, x.responseText);
self.emit('finish', status, x.responseText);
self._cleanup(false);
break;
}
}
};
try {
self.xhr.send(payload);
} catch (e) {
self.emit('finish', 0, '');
self._cleanup(false);
}
};
AbstractXHRObject.prototype._cleanup = function(abort) {
debug('cleanup');
if (!this.xhr) {
return;
}
this.removeAllListeners();
utils.unloadDel(this.unloadRef);
// IE needs this field to be a function
this.xhr.onreadystatechange = function() {};
if (this.xhr.ontimeout) {
this.xhr.ontimeout = null;
}
if (abort) {
try {
this.xhr.abort();
} catch (x) {
// intentionally empty
}
}
this.unloadRef = this.xhr = null;
};
AbstractXHRObject.prototype.close = function() {
debug('close');
this._cleanup(true);
};
AbstractXHRObject.enabled = !!XHR;
// override XMLHttpRequest for IE6/7
// obfuscate to avoid firewalls
var axo = ['Active'].concat('Object').join('X');
if (!AbstractXHRObject.enabled && (axo in global)) {
debug('overriding xmlhttprequest');
XHR = function() {
try {
return new global[axo]('Microsoft.XMLHTTP');
} catch (e) {
return null;
}
};
AbstractXHRObject.enabled = !!new XHR();
}
var cors = false;
try {
cors = 'withCredentials' in new XHR();
} catch (ignored) {
// intentionally empty
}
AbstractXHRObject.supportsCORS = cors;
module.exports = AbstractXHRObject;
}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../../utils/event":46,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],18:[function(require,module,exports){
(function (global){
module.exports = global.EventSource;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],19:[function(require,module,exports){
(function (global){
'use strict';
var Driver = global.WebSocket || global.MozWebSocket;
if (Driver) {
module.exports = function WebSocketBrowserDriver(url) {
return new Driver(url);
};
} else {
module.exports = undefined;
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],20:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, AjaxBasedTransport = require('./lib/ajax-based')
, EventSourceReceiver = require('./receiver/eventsource')
, XHRCorsObject = require('./sender/xhr-cors')
, EventSourceDriver = require('eventsource')
;
function EventSourceTransport(transUrl) {
if (!EventSourceTransport.enabled()) {
throw new Error('Transport created when disabled');
}
AjaxBasedTransport.call(this, transUrl, '/eventsource', EventSourceReceiver, XHRCorsObject);
}
inherits(EventSourceTransport, AjaxBasedTransport);
EventSourceTransport.enabled = function() {
return !!EventSourceDriver;
};
EventSourceTransport.transportName = 'eventsource';
EventSourceTransport.roundTrips = 2;
module.exports = EventSourceTransport;
},{"./lib/ajax-based":24,"./receiver/eventsource":29,"./sender/xhr-cors":35,"eventsource":18,"inherits":57}],21:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, HtmlfileReceiver = require('./receiver/htmlfile')
, XHRLocalObject = require('./sender/xhr-local')
, AjaxBasedTransport = require('./lib/ajax-based')
;
function HtmlFileTransport(transUrl) {
if (!HtmlfileReceiver.enabled) {
throw new Error('Transport created when disabled');
}
AjaxBasedTransport.call(this, transUrl, '/htmlfile', HtmlfileReceiver, XHRLocalObject);
}
inherits(HtmlFileTransport, AjaxBasedTransport);
HtmlFileTransport.enabled = function(info) {
return HtmlfileReceiver.enabled && info.sameOrigin;
};
HtmlFileTransport.transportName = 'htmlfile';
HtmlFileTransport.roundTrips = 2;
module.exports = HtmlFileTransport;
},{"./lib/ajax-based":24,"./receiver/htmlfile":30,"./sender/xhr-local":37,"inherits":57}],22:[function(require,module,exports){
(function (process){
'use strict';
// Few cool transports do work only for same-origin. In order to make
// them work cross-domain we shall use iframe, served from the
// remote domain. New browsers have capabilities to communicate with
// cross domain iframe using postMessage(). In IE it was implemented
// from IE 8+, but of course, IE got some details wrong:
// http://msdn.microsoft.com/en-us/library/cc197015(v=VS.85).aspx
// http://stevesouders.com/misc/test-postmessage.php
var inherits = require('inherits')
, JSON3 = require('json3')
, EventEmitter = require('events').EventEmitter
, version = require('../version')
, urlUtils = require('../utils/url')
, iframeUtils = require('../utils/iframe')
, eventUtils = require('../utils/event')
, random = require('../utils/random')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:transport:iframe');
}
function IframeTransport(transport, transUrl, baseUrl) {
if (!IframeTransport.enabled()) {
throw new Error('Transport created when disabled');
}
EventEmitter.call(this);
var self = this;
this.origin = urlUtils.getOrigin(baseUrl);
this.baseUrl = baseUrl;
this.transUrl = transUrl;
this.transport = transport;
this.windowId = random.string(8);
var iframeUrl = urlUtils.addPath(baseUrl, '/iframe.html') + '#' + this.windowId;
debug(transport, transUrl, iframeUrl);
this.iframeObj = iframeUtils.createIframe(iframeUrl, function(r) {
debug('err callback');
self.emit('close', 1006, 'Unable to load an iframe (' + r + ')');
self.close();
});
this.onmessageCallback = this._message.bind(this);
eventUtils.attachEvent('message', this.onmessageCallback);
}
inherits(IframeTransport, EventEmitter);
IframeTransport.prototype.close = function() {
debug('close');
this.removeAllListeners();
if (this.iframeObj) {
eventUtils.detachEvent('message', this.onmessageCallback);
try {
// When the iframe is not loaded, IE raises an exception
// on 'contentWindow'.
this.postMessage('c');
} catch (x) {
// intentionally empty
}
this.iframeObj.cleanup();
this.iframeObj = null;
this.onmessageCallback = this.iframeObj = null;
}
};
IframeTransport.prototype._message = function(e) {
debug('message', e.data);
if (!urlUtils.isOriginEqual(e.origin, this.origin)) {
debug('not same origin', e.origin, this.origin);
return;
}
var iframeMessage;
try {
iframeMessage = JSON3.parse(e.data);
} catch (ignored) {
debug('bad json', e.data);
return;
}
if (iframeMessage.windowId !== this.windowId) {
debug('mismatched window id', iframeMessage.windowId, this.windowId);
return;
}
switch (iframeMessage.type) {
case 's':
this.iframeObj.loaded();
// window global dependency
this.postMessage('s', JSON3.stringify([
version
, this.transport
, this.transUrl
, this.baseUrl
]));
break;
case 't':
this.emit('message', iframeMessage.data);
break;
case 'c':
var cdata;
try {
cdata = JSON3.parse(iframeMessage.data);
} catch (ignored) {
debug('bad json', iframeMessage.data);
return;
}
this.emit('close', cdata[0], cdata[1]);
this.close();
break;
}
};
IframeTransport.prototype.postMessage = function(type, data) {
debug('postMessage', type, data);
this.iframeObj.post(JSON3.stringify({
windowId: this.windowId
, type: type
, data: data || ''
}), this.origin);
};
IframeTransport.prototype.send = function(message) {
debug('send', message);
this.postMessage('m', message);
};
IframeTransport.enabled = function() {
return iframeUtils.iframeEnabled;
};
IframeTransport.transportName = 'iframe';
IframeTransport.roundTrips = 2;
module.exports = IframeTransport;
}).call(this,{ env: {} })
},{"../utils/event":46,"../utils/iframe":47,"../utils/random":50,"../utils/url":52,"../version":53,"debug":55,"events":3,"inherits":57,"json3":58}],23:[function(require,module,exports){
(function (global){
'use strict';
// The simplest and most robust transport, using the well-know cross
// domain hack - JSONP. This transport is quite inefficient - one
// message could use up to one http request. But at least it works almost
// everywhere.
// Known limitations:
// o you will get a spinning cursor
// o for Konqueror a dumb timer is needed to detect errors
var inherits = require('inherits')
, SenderReceiver = require('./lib/sender-receiver')
, JsonpReceiver = require('./receiver/jsonp')
, jsonpSender = require('./sender/jsonp')
;
function JsonPTransport(transUrl) {
if (!JsonPTransport.enabled()) {
throw new Error('Transport created when disabled');
}
SenderReceiver.call(this, transUrl, '/jsonp', jsonpSender, JsonpReceiver);
}
inherits(JsonPTransport, SenderReceiver);
JsonPTransport.enabled = function() {
return !!global.document;
};
JsonPTransport.transportName = 'jsonp-polling';
JsonPTransport.roundTrips = 1;
JsonPTransport.needBody = true;
module.exports = JsonPTransport;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./lib/sender-receiver":28,"./receiver/jsonp":31,"./sender/jsonp":33,"inherits":57}],24:[function(require,module,exports){
(function (process){
'use strict';
var inherits = require('inherits')
, urlUtils = require('../../utils/url')
, SenderReceiver = require('./sender-receiver')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:ajax-based');
}
function createAjaxSender(AjaxObject) {
return function(url, payload, callback) {
debug('create ajax sender', url, payload);
var opt = {};
if (typeof payload === 'string') {
opt.headers = {'Content-type': 'text/plain'};
}
var ajaxUrl = urlUtils.addPath(url, '/xhr_send');
var xo = new AjaxObject('POST', ajaxUrl, payload, opt);
xo.once('finish', function(status) {
debug('finish', status);
xo = null;
if (status !== 200 && status !== 204) {
return callback(new Error('http status ' + status));
}
callback();
});
return function() {
debug('abort');
xo.close();
xo = null;
var err = new Error('Aborted');
err.code = 1000;
callback(err);
};
};
}
function AjaxBasedTransport(transUrl, urlSuffix, Receiver, AjaxObject) {
SenderReceiver.call(this, transUrl, urlSuffix, createAjaxSender(AjaxObject), Receiver, AjaxObject);
}
inherits(AjaxBasedTransport, SenderReceiver);
module.exports = AjaxBasedTransport;
}).call(this,{ env: {} })
},{"../../utils/url":52,"./sender-receiver":28,"debug":55,"inherits":57}],25:[function(require,module,exports){
(function (process){
'use strict';
var inherits = require('inherits')
, EventEmitter = require('events').EventEmitter
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:buffered-sender');
}
function BufferedSender(url, sender) {
debug(url);
EventEmitter.call(this);
this.sendBuffer = [];
this.sender = sender;
this.url = url;
}
inherits(BufferedSender, EventEmitter);
BufferedSender.prototype.send = function(message) {
debug('send', message);
this.sendBuffer.push(message);
if (!this.sendStop) {
this.sendSchedule();
}
};
// For polling transports in a situation when in the message callback,
// new message is being send. If the sending connection was started
// before receiving one, it is possible to saturate the network and
// timeout due to the lack of receiving socket. To avoid that we delay
// sending messages by some small time, in order to let receiving
// connection be started beforehand. This is only a halfmeasure and
// does not fix the big problem, but it does make the tests go more
// stable on slow networks.
BufferedSender.prototype.sendScheduleWait = function() {
debug('sendScheduleWait');
var self = this;
var tref;
this.sendStop = function() {
debug('sendStop');
self.sendStop = null;
clearTimeout(tref);
};
tref = setTimeout(function() {
debug('timeout');
self.sendStop = null;
self.sendSchedule();
}, 25);
};
BufferedSender.prototype.sendSchedule = function() {
debug('sendSchedule', this.sendBuffer.length);
var self = this;
if (this.sendBuffer.length > 0) {
var payload = '[' + this.sendBuffer.join(',') + ']';
this.sendStop = this.sender(this.url, payload, function(err) {
self.sendStop = null;
if (err) {
debug('error', err);
self.emit('close', err.code || 1006, 'Sending error: ' + err);
self.close();
} else {
self.sendScheduleWait();
}
});
this.sendBuffer = [];
}
};
BufferedSender.prototype._cleanup = function() {
debug('_cleanup');
this.removeAllListeners();
};
BufferedSender.prototype.close = function() {
debug('close');
this._cleanup();
if (this.sendStop) {
this.sendStop();
this.sendStop = null;
}
};
module.exports = BufferedSender;
}).call(this,{ env: {} })
},{"debug":55,"events":3,"inherits":57}],26:[function(require,module,exports){
(function (global){
'use strict';
var inherits = require('inherits')
, IframeTransport = require('../iframe')
, objectUtils = require('../../utils/object')
;
module.exports = function(transport) {
function IframeWrapTransport(transUrl, baseUrl) {
IframeTransport.call(this, transport.transportName, transUrl, baseUrl);
}
inherits(IframeWrapTransport, IframeTransport);
IframeWrapTransport.enabled = function(url, info) {
if (!global.document) {
return false;
}
var iframeInfo = objectUtils.extend({}, info);
iframeInfo.sameOrigin = true;
return transport.enabled(iframeInfo) && IframeTransport.enabled();
};
IframeWrapTransport.transportName = 'iframe-' + transport.transportName;
IframeWrapTransport.needBody = true;
IframeWrapTransport.roundTrips = IframeTransport.roundTrips + transport.roundTrips - 1; // html, javascript (2) + transport - no CORS (1)
IframeWrapTransport.facadeTransport = transport;
return IframeWrapTransport;
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../../utils/object":49,"../iframe":22,"inherits":57}],27:[function(require,module,exports){
(function (process){
'use strict';
var inherits = require('inherits')
, EventEmitter = require('events').EventEmitter
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:polling');
}
function Polling(Receiver, receiveUrl, AjaxObject) {
debug(receiveUrl);
EventEmitter.call(this);
this.Receiver = Receiver;
this.receiveUrl = receiveUrl;
this.AjaxObject = AjaxObject;
this._scheduleReceiver();
}
inherits(Polling, EventEmitter);
Polling.prototype._scheduleReceiver = function() {
debug('_scheduleReceiver');
var self = this;
var poll = this.poll = new this.Receiver(this.receiveUrl, this.AjaxObject);
poll.on('message', function(msg) {
debug('message', msg);
self.emit('message', msg);
});
poll.once('close', function(code, reason) {
debug('close', code, reason, self.pollIsClosing);
self.poll = poll = null;
if (!self.pollIsClosing) {
if (reason === 'network') {
self._scheduleReceiver();
} else {
self.emit('close', code || 1006, reason);
self.removeAllListeners();
}
}
});
};
Polling.prototype.abort = function() {
debug('abort');
this.removeAllListeners();
this.pollIsClosing = true;
if (this.poll) {
this.poll.abort();
}
};
module.exports = Polling;
}).call(this,{ env: {} })
},{"debug":55,"events":3,"inherits":57}],28:[function(require,module,exports){
(function (process){
'use strict';
var inherits = require('inherits')
, urlUtils = require('../../utils/url')
, BufferedSender = require('./buffered-sender')
, Polling = require('./polling')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:sender-receiver');
}
function SenderReceiver(transUrl, urlSuffix, senderFunc, Receiver, AjaxObject) {
var pollUrl = urlUtils.addPath(transUrl, urlSuffix);
debug(pollUrl);
var self = this;
BufferedSender.call(this, transUrl, senderFunc);
this.poll = new Polling(Receiver, pollUrl, AjaxObject);
this.poll.on('message', function(msg) {
debug('poll message', msg);
self.emit('message', msg);
});
this.poll.once('close', function(code, reason) {
debug('poll close', code, reason);
self.poll = null;
self.emit('close', code, reason);
self.close();
});
}
inherits(SenderReceiver, BufferedSender);
SenderReceiver.prototype.close = function() {
BufferedSender.prototype.close.call(this);
debug('close');
this.removeAllListeners();
if (this.poll) {
this.poll.abort();
this.poll = null;
}
};
module.exports = SenderReceiver;
}).call(this,{ env: {} })
},{"../../utils/url":52,"./buffered-sender":25,"./polling":27,"debug":55,"inherits":57}],29:[function(require,module,exports){
(function (process){
'use strict';
var inherits = require('inherits')
, EventEmitter = require('events').EventEmitter
, EventSourceDriver = require('eventsource')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:receiver:eventsource');
}
function EventSourceReceiver(url) {
debug(url);
EventEmitter.call(this);
var self = this;
var es = this.es = new EventSourceDriver(url);
es.onmessage = function(e) {
debug('message', e.data);
self.emit('message', decodeURI(e.data));
};
es.onerror = function(e) {
debug('error', es.readyState, e);
// ES on reconnection has readyState = 0 or 1.
// on network error it's CLOSED = 2
var reason = (es.readyState !== 2 ? 'network' : 'permanent');
self._cleanup();
self._close(reason);
};
}
inherits(EventSourceReceiver, EventEmitter);
EventSourceReceiver.prototype.abort = function() {
debug('abort');
this._cleanup();
this._close('user');
};
EventSourceReceiver.prototype._cleanup = function() {
debug('cleanup');
var es = this.es;
if (es) {
es.onmessage = es.onerror = null;
es.close();
this.es = null;
}
};
EventSourceReceiver.prototype._close = function(reason) {
debug('close', reason);
var self = this;
// Safari and chrome < 15 crash if we close window before
// waiting for ES cleanup. See:
// https://code.google.com/p/chromium/issues/detail?id=89155
setTimeout(function() {
self.emit('close', null, reason);
self.removeAllListeners();
}, 200);
};
module.exports = EventSourceReceiver;
}).call(this,{ env: {} })
},{"debug":55,"events":3,"eventsource":18,"inherits":57}],30:[function(require,module,exports){
(function (process,global){
'use strict';
var inherits = require('inherits')
, iframeUtils = require('../../utils/iframe')
, urlUtils = require('../../utils/url')
, EventEmitter = require('events').EventEmitter
, random = require('../../utils/random')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:receiver:htmlfile');
}
function HtmlfileReceiver(url) {
debug(url);
EventEmitter.call(this);
var self = this;
iframeUtils.polluteGlobalNamespace();
this.id = 'a' + random.string(6);
url = urlUtils.addQuery(url, 'c=' + decodeURIComponent(iframeUtils.WPrefix + '.' + this.id));
debug('using htmlfile', HtmlfileReceiver.htmlfileEnabled);
var constructFunc = HtmlfileReceiver.htmlfileEnabled ?
iframeUtils.createHtmlfile : iframeUtils.createIframe;
global[iframeUtils.WPrefix][this.id] = {
start: function() {
debug('start');
self.iframeObj.loaded();
}
, message: function(data) {
debug('message', data);
self.emit('message', data);
}
, stop: function() {
debug('stop');
self._cleanup();
self._close('network');
}
};
this.iframeObj = constructFunc(url, function() {
debug('callback');
self._cleanup();
self._close('permanent');
});
}
inherits(HtmlfileReceiver, EventEmitter);
HtmlfileReceiver.prototype.abort = function() {
debug('abort');
this._cleanup();
this._close('user');
};
HtmlfileReceiver.prototype._cleanup = function() {
debug('_cleanup');
if (this.iframeObj) {
this.iframeObj.cleanup();
this.iframeObj = null;
}
delete global[iframeUtils.WPrefix][this.id];
};
HtmlfileReceiver.prototype._close = function(reason) {
debug('_close', reason);
this.emit('close', null, reason);
this.removeAllListeners();
};
HtmlfileReceiver.htmlfileEnabled = false;
// obfuscate to avoid firewalls
var axo = ['Active'].concat('Object').join('X');
if (axo in global) {
try {
HtmlfileReceiver.htmlfileEnabled = !!new global[axo]('htmlfile');
} catch (x) {
// intentionally empty
}
}
HtmlfileReceiver.enabled = HtmlfileReceiver.htmlfileEnabled || iframeUtils.iframeEnabled;
module.exports = HtmlfileReceiver;
}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../../utils/iframe":47,"../../utils/random":50,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],31:[function(require,module,exports){
(function (process,global){
'use strict';
var utils = require('../../utils/iframe')
, random = require('../../utils/random')
, browser = require('../../utils/browser')
, urlUtils = require('../../utils/url')
, inherits = require('inherits')
, EventEmitter = require('events').EventEmitter
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:receiver:jsonp');
}
function JsonpReceiver(url) {
debug(url);
var self = this;
EventEmitter.call(this);
utils.polluteGlobalNamespace();
this.id = 'a' + random.string(6);
var urlWithId = urlUtils.addQuery(url, 'c=' + encodeURIComponent(utils.WPrefix + '.' + this.id));
global[utils.WPrefix][this.id] = this._callback.bind(this);
this._createScript(urlWithId);
// Fallback mostly for Konqueror - stupid timer, 35 seconds shall be plenty.
this.timeoutId = setTimeout(function() {
debug('timeout');
self._abort(new Error('JSONP script loaded abnormally (timeout)'));
}, JsonpReceiver.timeout);
}
inherits(JsonpReceiver, EventEmitter);
JsonpReceiver.prototype.abort = function() {
debug('abort');
if (global[utils.WPrefix][this.id]) {
var err = new Error('JSONP user aborted read');
err.code = 1000;
this._abort(err);
}
};
JsonpReceiver.timeout = 35000;
JsonpReceiver.scriptErrorTimeout = 1000;
JsonpReceiver.prototype._callback = function(data) {
debug('_callback', data);
this._cleanup();
if (this.aborting) {
return;
}
if (data) {
debug('message', data);
this.emit('message', data);
}
this.emit('close', null, 'network');
this.removeAllListeners();
};
JsonpReceiver.prototype._abort = function(err) {
debug('_abort', err);
this._cleanup();
this.aborting = true;
this.emit('close', err.code, err.message);
this.removeAllListeners();
};
JsonpReceiver.prototype._cleanup = function() {
debug('_cleanup');
clearTimeout(this.timeoutId);
if (this.script2) {
this.script2.parentNode.removeChild(this.script2);
this.script2 = null;
}
if (this.script) {
var script = this.script;
// Unfortunately, you can't really abort script loading of
// the script.
script.parentNode.removeChild(script);
script.onreadystatechange = script.onerror =
script.onload = script.onclick = null;
this.script = null;
}
delete global[utils.WPrefix][this.id];
};
JsonpReceiver.prototype._scriptError = function() {
debug('_scriptError');
var self = this;
if (this.errorTimer) {
return;
}
this.errorTimer = setTimeout(function() {
if (!self.loadedOkay) {
self._abort(new Error('JSONP script loaded abnormally (onerror)'));
}
}, JsonpReceiver.scriptErrorTimeout);
};
JsonpReceiver.prototype._createScript = function(url) {
debug('_createScript', url);
var self = this;
var script = this.script = global.document.createElement('script');
var script2; // Opera synchronous load trick.
script.id = 'a' + random.string(8);
script.src = url;
script.type = 'text/javascript';
script.charset = 'UTF-8';
script.onerror = this._scriptError.bind(this);
script.onload = function() {
debug('onload');
self._abort(new Error('JSONP script loaded abnormally (onload)'));
};
// IE9 fires 'error' event after onreadystatechange or before, in random order.
// Use loadedOkay to determine if actually errored
script.onreadystatechange = function() {
debug('onreadystatechange', script.readyState);
if (/loaded|closed/.test(script.readyState)) {
if (script && script.htmlFor && script.onclick) {
self.loadedOkay = true;
try {
// In IE, actually execute the script.
script.onclick();
} catch (x) {
// intentionally empty
}
}
if (script) {
self._abort(new Error('JSONP script loaded abnormally (onreadystatechange)'));
}
}
};
// IE: event/htmlFor/onclick trick.
// One can't rely on proper order for onreadystatechange. In order to
// make sure, set a 'htmlFor' and 'event' properties, so that
// script code will be installed as 'onclick' handler for the
// script object. Later, onreadystatechange, manually execute this
// code. FF and Chrome doesn't work with 'event' and 'htmlFor'
// set. For reference see:
// http://jaubourg.net/2010/07/loading-script-as-onclick-handler-of.html
// Also, read on that about script ordering:
// http://wiki.whatwg.org/wiki/Dynamic_Script_Execution_Order
if (typeof script.async === 'undefined' && global.document.attachEvent) {
// According to mozilla docs, in recent browsers script.async defaults
// to 'true', so we may use it to detect a good browser:
// https://developer.mozilla.org/en/HTML/Element/script
if (!browser.isOpera()) {
// Naively assume we're in IE
try {
script.htmlFor = script.id;
script.event = 'onclick';
} catch (x) {
// intentionally empty
}
script.async = true;
} else {
// Opera, second sync script hack
script2 = this.script2 = global.document.createElement('script');
script2.text = "try{var a = document.getElementById('" + script.id + "'); if(a)a.onerror();}catch(x){};";
script.async = script2.async = false;
}
}
if (typeof script.async !== 'undefined') {
script.async = true;
}
var head = global.document.getElementsByTagName('head')[0];
head.insertBefore(script, head.firstChild);
if (script2) {
head.insertBefore(script2, head.firstChild);
}
};
module.exports = JsonpReceiver;
}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../../utils/browser":44,"../../utils/iframe":47,"../../utils/random":50,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],32:[function(require,module,exports){
(function (process){
'use strict';
var inherits = require('inherits')
, EventEmitter = require('events').EventEmitter
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:receiver:xhr');
}
function XhrReceiver(url, AjaxObject) {
debug(url);
EventEmitter.call(this);
var self = this;
this.bufferPosition = 0;
this.xo = new AjaxObject('POST', url, null);
this.xo.on('chunk', this._chunkHandler.bind(this));
this.xo.once('finish', function(status, text) {
debug('finish', status, text);
self._chunkHandler(status, text);
self.xo = null;
var reason = status === 200 ? 'network' : 'permanent';
debug('close', reason);
self.emit('close', null, reason);
self._cleanup();
});
}
inherits(XhrReceiver, EventEmitter);
XhrReceiver.prototype._chunkHandler = function(status, text) {
debug('_chunkHandler', status);
if (status !== 200 || !text) {
return;
}
for (var idx = -1; ; this.bufferPosition += idx + 1) {
var buf = text.slice(this.bufferPosition);
idx = buf.indexOf('\n');
if (idx === -1) {
break;
}
var msg = buf.slice(0, idx);
if (msg) {
debug('message', msg);
this.emit('message', msg);
}
}
};
XhrReceiver.prototype._cleanup = function() {
debug('_cleanup');
this.removeAllListeners();
};
XhrReceiver.prototype.abort = function() {
debug('abort');
if (this.xo) {
this.xo.close();
debug('close');
this.emit('close', null, 'user');
this.xo = null;
}
this._cleanup();
};
module.exports = XhrReceiver;
}).call(this,{ env: {} })
},{"debug":55,"events":3,"inherits":57}],33:[function(require,module,exports){
(function (process,global){
'use strict';
var random = require('../../utils/random')
, urlUtils = require('../../utils/url')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:sender:jsonp');
}
var form, area;
function createIframe(id) {
debug('createIframe', id);
try {
// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
return global.document.createElement('<iframe name="' + id + '">');
} catch (x) {
var iframe = global.document.createElement('iframe');
iframe.name = id;
return iframe;
}
}
function createForm() {
debug('createForm');
form = global.document.createElement('form');
form.style.display = 'none';
form.style.position = 'absolute';
form.method = 'POST';
form.enctype = 'application/x-www-form-urlencoded';
form.acceptCharset = 'UTF-8';
area = global.document.createElement('textarea');
area.name = 'd';
form.appendChild(area);
global.document.body.appendChild(form);
}
module.exports = function(url, payload, callback) {
debug(url, payload);
if (!form) {
createForm();
}
var id = 'a' + random.string(8);
form.target = id;
form.action = urlUtils.addQuery(urlUtils.addPath(url, '/jsonp_send'), 'i=' + id);
var iframe = createIframe(id);
iframe.id = id;
iframe.style.display = 'none';
form.appendChild(iframe);
try {
area.value = payload;
} catch (e) {
// seriously broken browsers get here
}
form.submit();
var completed = function(err) {
debug('completed', id, err);
if (!iframe.onerror) {
return;
}
iframe.onreadystatechange = iframe.onerror = iframe.onload = null;
// Opera mini doesn't like if we GC iframe
// immediately, thus this timeout.
setTimeout(function() {
debug('cleaning up', id);
iframe.parentNode.removeChild(iframe);
iframe = null;
}, 500);
area.value = '';
// It is not possible to detect if the iframe succeeded or
// failed to submit our form.
callback(err);
};
iframe.onerror = function() {
debug('onerror', id);
completed();
};
iframe.onload = function() {
debug('onload', id);
completed();
};
iframe.onreadystatechange = function(e) {
debug('onreadystatechange', id, iframe.readyState, e);
if (iframe.readyState === 'complete') {
completed();
}
};
return function() {
debug('aborted', id);
completed(new Error('Aborted'));
};
};
}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../../utils/random":50,"../../utils/url":52,"debug":55}],34:[function(require,module,exports){
(function (process,global){
'use strict';
var EventEmitter = require('events').EventEmitter
, inherits = require('inherits')
, eventUtils = require('../../utils/event')
, browser = require('../../utils/browser')
, urlUtils = require('../../utils/url')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:sender:xdr');
}
// References:
// http://ajaxian.com/archives/100-line-ajax-wrapper
// http://msdn.microsoft.com/en-us/library/cc288060(v=VS.85).aspx
function XDRObject(method, url, payload) {
debug(method, url);
var self = this;
EventEmitter.call(this);
setTimeout(function() {
self._start(method, url, payload);
}, 0);
}
inherits(XDRObject, EventEmitter);
XDRObject.prototype._start = function(method, url, payload) {
debug('_start');
var self = this;
var xdr = new global.XDomainRequest();
// IE caches even POSTs
url = urlUtils.addQuery(url, 't=' + (+new Date()));
xdr.onerror = function() {
debug('onerror');
self._error();
};
xdr.ontimeout = function() {
debug('ontimeout');
self._error();
};
xdr.onprogress = function() {
debug('progress', xdr.responseText);
self.emit('chunk', 200, xdr.responseText);
};
xdr.onload = function() {
debug('load');
self.emit('finish', 200, xdr.responseText);
self._cleanup(false);
};
this.xdr = xdr;
this.unloadRef = eventUtils.unloadAdd(function() {
self._cleanup(true);
});
try {
// Fails with AccessDenied if port number is bogus
this.xdr.open(method, url);
if (this.timeout) {
this.xdr.timeout = this.timeout;
}
this.xdr.send(payload);
} catch (x) {
this._error();
}
};
XDRObject.prototype._error = function() {
this.emit('finish', 0, '');
this._cleanup(false);
};
XDRObject.prototype._cleanup = function(abort) {
debug('cleanup', abort);
if (!this.xdr) {
return;
}
this.removeAllListeners();
eventUtils.unloadDel(this.unloadRef);
this.xdr.ontimeout = this.xdr.onerror = this.xdr.onprogress = this.xdr.onload = null;
if (abort) {
try {
this.xdr.abort();
} catch (x) {
// intentionally empty
}
}
this.unloadRef = this.xdr = null;
};
XDRObject.prototype.close = function() {
debug('close');
this._cleanup(true);
};
// IE 8/9 if the request target uses the same scheme - #79
XDRObject.enabled = !!(global.XDomainRequest && browser.hasDomain());
module.exports = XDRObject;
}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../../utils/browser":44,"../../utils/event":46,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],35:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, XhrDriver = require('../driver/xhr')
;
function XHRCorsObject(method, url, payload, opts) {
XhrDriver.call(this, method, url, payload, opts);
}
inherits(XHRCorsObject, XhrDriver);
XHRCorsObject.enabled = XhrDriver.enabled && XhrDriver.supportsCORS;
module.exports = XHRCorsObject;
},{"../driver/xhr":17,"inherits":57}],36:[function(require,module,exports){
'use strict';
var EventEmitter = require('events').EventEmitter
, inherits = require('inherits')
;
function XHRFake(/* method, url, payload, opts */) {
var self = this;
EventEmitter.call(this);
this.to = setTimeout(function() {
self.emit('finish', 200, '{}');
}, XHRFake.timeout);
}
inherits(XHRFake, EventEmitter);
XHRFake.prototype.close = function() {
clearTimeout(this.to);
};
XHRFake.timeout = 2000;
module.exports = XHRFake;
},{"events":3,"inherits":57}],37:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, XhrDriver = require('../driver/xhr')
;
function XHRLocalObject(method, url, payload /*, opts */) {
XhrDriver.call(this, method, url, payload, {
noCredentials: true
});
}
inherits(XHRLocalObject, XhrDriver);
XHRLocalObject.enabled = XhrDriver.enabled;
module.exports = XHRLocalObject;
},{"../driver/xhr":17,"inherits":57}],38:[function(require,module,exports){
(function (process){
'use strict';
var utils = require('../utils/event')
, urlUtils = require('../utils/url')
, inherits = require('inherits')
, EventEmitter = require('events').EventEmitter
, WebsocketDriver = require('./driver/websocket')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:websocket');
}
function WebSocketTransport(transUrl, ignore, options) {
if (!WebSocketTransport.enabled()) {
throw new Error('Transport created when disabled');
}
EventEmitter.call(this);
debug('constructor', transUrl);
var self = this;
var url = urlUtils.addPath(transUrl, '/websocket');
if (url.slice(0, 5) === 'https') {
url = 'wss' + url.slice(5);
} else {
url = 'ws' + url.slice(4);
}
this.url = url;
this.ws = new WebsocketDriver(this.url, [], options);
this.ws.onmessage = function(e) {
debug('message event', e.data);
self.emit('message', e.data);
};
// Firefox has an interesting bug. If a websocket connection is
// created after onunload, it stays alive even when user
// navigates away from the page. In such situation let's lie -
// let's not open the ws connection at all. See:
// https://github.com/sockjs/sockjs-client/issues/28
// https://bugzilla.mozilla.org/show_bug.cgi?id=696085
this.unloadRef = utils.unloadAdd(function() {
debug('unload');
self.ws.close();
});
this.ws.onclose = function(e) {
debug('close event', e.code, e.reason);
self.emit('close', e.code, e.reason);
self._cleanup();
};
this.ws.onerror = function(e) {
debug('error event', e);
self.emit('close', 1006, 'WebSocket connection broken');
self._cleanup();
};
}
inherits(WebSocketTransport, EventEmitter);
WebSocketTransport.prototype.send = function(data) {
var msg = '[' + data + ']';
debug('send', msg);
this.ws.send(msg);
};
WebSocketTransport.prototype.close = function() {
debug('close');
var ws = this.ws;
this._cleanup();
if (ws) {
ws.close();
}
};
WebSocketTransport.prototype._cleanup = function() {
debug('_cleanup');
var ws = this.ws;
if (ws) {
ws.onmessage = ws.onclose = ws.onerror = null;
}
utils.unloadDel(this.unloadRef);
this.unloadRef = this.ws = null;
this.removeAllListeners();
};
WebSocketTransport.enabled = function() {
debug('enabled');
return !!WebsocketDriver;
};
WebSocketTransport.transportName = 'websocket';
// In theory, ws should require 1 round trip. But in chrome, this is
// not very stable over SSL. Most likely a ws connection requires a
// separate SSL connection, in which case 2 round trips are an
// absolute minumum.
WebSocketTransport.roundTrips = 2;
module.exports = WebSocketTransport;
}).call(this,{ env: {} })
},{"../utils/event":46,"../utils/url":52,"./driver/websocket":19,"debug":55,"events":3,"inherits":57}],39:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, AjaxBasedTransport = require('./lib/ajax-based')
, XdrStreamingTransport = require('./xdr-streaming')
, XhrReceiver = require('./receiver/xhr')
, XDRObject = require('./sender/xdr')
;
function XdrPollingTransport(transUrl) {
if (!XDRObject.enabled) {
throw new Error('Transport created when disabled');
}
AjaxBasedTransport.call(this, transUrl, '/xhr', XhrReceiver, XDRObject);
}
inherits(XdrPollingTransport, AjaxBasedTransport);
XdrPollingTransport.enabled = XdrStreamingTransport.enabled;
XdrPollingTransport.transportName = 'xdr-polling';
XdrPollingTransport.roundTrips = 2; // preflight, ajax
module.exports = XdrPollingTransport;
},{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xdr":34,"./xdr-streaming":40,"inherits":57}],40:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, AjaxBasedTransport = require('./lib/ajax-based')
, XhrReceiver = require('./receiver/xhr')
, XDRObject = require('./sender/xdr')
;
// According to:
// http://stackoverflow.com/questions/1641507/detect-browser-support-for-cross-domain-xmlhttprequests
// http://hacks.mozilla.org/2009/07/cross-site-xmlhttprequest-with-cors/
function XdrStreamingTransport(transUrl) {
if (!XDRObject.enabled) {
throw new Error('Transport created when disabled');
}
AjaxBasedTransport.call(this, transUrl, '/xhr_streaming', XhrReceiver, XDRObject);
}
inherits(XdrStreamingTransport, AjaxBasedTransport);
XdrStreamingTransport.enabled = function(info) {
if (info.cookie_needed || info.nullOrigin) {
return false;
}
return XDRObject.enabled && info.sameScheme;
};
XdrStreamingTransport.transportName = 'xdr-streaming';
XdrStreamingTransport.roundTrips = 2; // preflight, ajax
module.exports = XdrStreamingTransport;
},{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xdr":34,"inherits":57}],41:[function(require,module,exports){
'use strict';
var inherits = require('inherits')
, AjaxBasedTransport = require('./lib/ajax-based')
, XhrReceiver = require('./receiver/xhr')
, XHRCorsObject = require('./sender/xhr-cors')
, XHRLocalObject = require('./sender/xhr-local')
;
function XhrPollingTransport(transUrl) {
if (!XHRLocalObject.enabled && !XHRCorsObject.enabled) {
throw new Error('Transport created when disabled');
}
AjaxBasedTransport.call(this, transUrl, '/xhr', XhrReceiver, XHRCorsObject);
}
inherits(XhrPollingTransport, AjaxBasedTransport);
XhrPollingTransport.enabled = function(info) {
if (info.nullOrigin) {
return false;
}
if (XHRLocalObject.enabled && info.sameOrigin) {
return true;
}
return XHRCorsObject.enabled;
};
XhrPollingTransport.transportName = 'xhr-polling';
XhrPollingTransport.roundTrips = 2; // preflight, ajax
module.exports = XhrPollingTransport;
},{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xhr-cors":35,"./sender/xhr-local":37,"inherits":57}],42:[function(require,module,exports){
(function (global){
'use strict';
var inherits = require('inherits')
, AjaxBasedTransport = require('./lib/ajax-based')
, XhrReceiver = require('./receiver/xhr')
, XHRCorsObject = require('./sender/xhr-cors')
, XHRLocalObject = require('./sender/xhr-local')
, browser = require('../utils/browser')
;
function XhrStreamingTransport(transUrl) {
if (!XHRLocalObject.enabled && !XHRCorsObject.enabled) {
throw new Error('Transport created when disabled');
}
AjaxBasedTransport.call(this, transUrl, '/xhr_streaming', XhrReceiver, XHRCorsObject);
}
inherits(XhrStreamingTransport, AjaxBasedTransport);
XhrStreamingTransport.enabled = function(info) {
if (info.nullOrigin) {
return false;
}
// Opera doesn't support xhr-streaming #60
// But it might be able to #92
if (browser.isOpera()) {
return false;
}
return XHRCorsObject.enabled;
};
XhrStreamingTransport.transportName = 'xhr-streaming';
XhrStreamingTransport.roundTrips = 2; // preflight, ajax
// Safari gets confused when a streaming ajax request is started
// before onload. This causes the load indicator to spin indefinetely.
// Only require body when used in a browser
XhrStreamingTransport.needBody = !!global.document;
module.exports = XhrStreamingTransport;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../utils/browser":44,"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xhr-cors":35,"./sender/xhr-local":37,"inherits":57}],43:[function(require,module,exports){
(function (global){
'use strict';
if (global.crypto && global.crypto.getRandomValues) {
module.exports.randomBytes = function(length) {
var bytes = new Uint8Array(length);
global.crypto.getRandomValues(bytes);
return bytes;
};
} else {
module.exports.randomBytes = function(length) {
var bytes = new Array(length);
for (var i = 0; i < length; i++) {
bytes[i] = Math.floor(Math.random() * 256);
}
return bytes;
};
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],44:[function(require,module,exports){
(function (global){
'use strict';
module.exports = {
isOpera: function() {
return global.navigator &&
/opera/i.test(global.navigator.userAgent);
}
, isKonqueror: function() {
return global.navigator &&
/konqueror/i.test(global.navigator.userAgent);
}
// #187 wrap document.domain in try/catch because of WP8 from file:///
, hasDomain: function () {
// non-browser client always has a domain
if (!global.document) {
return true;
}
try {
return !!global.document.domain;
} catch (e) {
return false;
}
}
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],45:[function(require,module,exports){
'use strict';
var JSON3 = require('json3');
// Some extra characters that Chrome gets wrong, and substitutes with
// something else on the wire.
// eslint-disable-next-line no-control-regex
var extraEscapable = /[\x00-\x1f\ud800-\udfff\ufffe\uffff\u0300-\u0333\u033d-\u0346\u034a-\u034c\u0350-\u0352\u0357-\u0358\u035c-\u0362\u0374\u037e\u0387\u0591-\u05af\u05c4\u0610-\u0617\u0653-\u0654\u0657-\u065b\u065d-\u065e\u06df-\u06e2\u06eb-\u06ec\u0730\u0732-\u0733\u0735-\u0736\u073a\u073d\u073f-\u0741\u0743\u0745\u0747\u07eb-\u07f1\u0951\u0958-\u095f\u09dc-\u09dd\u09df\u0a33\u0a36\u0a59-\u0a5b\u0a5e\u0b5c-\u0b5d\u0e38-\u0e39\u0f43\u0f4d\u0f52\u0f57\u0f5c\u0f69\u0f72-\u0f76\u0f78\u0f80-\u0f83\u0f93\u0f9d\u0fa2\u0fa7\u0fac\u0fb9\u1939-\u193a\u1a17\u1b6b\u1cda-\u1cdb\u1dc0-\u1dcf\u1dfc\u1dfe\u1f71\u1f73\u1f75\u1f77\u1f79\u1f7b\u1f7d\u1fbb\u1fbe\u1fc9\u1fcb\u1fd3\u1fdb\u1fe3\u1feb\u1fee-\u1fef\u1ff9\u1ffb\u1ffd\u2000-\u2001\u20d0-\u20d1\u20d4-\u20d7\u20e7-\u20e9\u2126\u212a-\u212b\u2329-\u232a\u2adc\u302b-\u302c\uaab2-\uaab3\uf900-\ufa0d\ufa10\ufa12\ufa15-\ufa1e\ufa20\ufa22\ufa25-\ufa26\ufa2a-\ufa2d\ufa30-\ufa6d\ufa70-\ufad9\ufb1d\ufb1f\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufb4e\ufff0-\uffff]/g
, extraLookup;
// This may be quite slow, so let's delay until user actually uses bad
// characters.
var unrollLookup = function(escapable) {
var i;
var unrolled = {};
var c = [];
for (i = 0; i < 65536; i++) {
c.push( String.fromCharCode(i) );
}
escapable.lastIndex = 0;
c.join('').replace(escapable, function(a) {
unrolled[ a ] = '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
return '';
});
escapable.lastIndex = 0;
return unrolled;
};
// Quote string, also taking care of unicode characters that browsers
// often break. Especially, take care of unicode surrogates:
// http://en.wikipedia.org/wiki/Mapping_of_Unicode_characters#Surrogates
module.exports = {
quote: function(string) {
var quoted = JSON3.stringify(string);
// In most cases this should be very fast and good enough.
extraEscapable.lastIndex = 0;
if (!extraEscapable.test(quoted)) {
return quoted;
}
if (!extraLookup) {
extraLookup = unrollLookup(extraEscapable);
}
return quoted.replace(extraEscapable, function(a) {
return extraLookup[a];
});
}
};
},{"json3":58}],46:[function(require,module,exports){
(function (global){
'use strict';
var random = require('./random');
var onUnload = {}
, afterUnload = false
// detect google chrome packaged apps because they don't allow the 'unload' event
, isChromePackagedApp = global.chrome && global.chrome.app && global.chrome.app.runtime
;
module.exports = {
attachEvent: function(event, listener) {
if (typeof global.addEventListener !== 'undefined') {
global.addEventListener(event, listener, false);
} else if (global.document && global.attachEvent) {
// IE quirks.
// According to: http://stevesouders.com/misc/test-postmessage.php
// the message gets delivered only to 'document', not 'window'.
global.document.attachEvent('on' + event, listener);
// I get 'window' for ie8.
global.attachEvent('on' + event, listener);
}
}
, detachEvent: function(event, listener) {
if (typeof global.addEventListener !== 'undefined') {
global.removeEventListener(event, listener, false);
} else if (global.document && global.detachEvent) {
global.document.detachEvent('on' + event, listener);
global.detachEvent('on' + event, listener);
}
}
, unloadAdd: function(listener) {
if (isChromePackagedApp) {
return null;
}
var ref = random.string(8);
onUnload[ref] = listener;
if (afterUnload) {
setTimeout(this.triggerUnloadCallbacks, 0);
}
return ref;
}
, unloadDel: function(ref) {
if (ref in onUnload) {
delete onUnload[ref];
}
}
, triggerUnloadCallbacks: function() {
for (var ref in onUnload) {
onUnload[ref]();
delete onUnload[ref];
}
}
};
var unloadTriggered = function() {
if (afterUnload) {
return;
}
afterUnload = true;
module.exports.triggerUnloadCallbacks();
};
// 'unload' alone is not reliable in opera within an iframe, but we
// can't use `beforeunload` as IE fires it on javascript: links.
if (!isChromePackagedApp) {
module.exports.attachEvent('unload', unloadTriggered);
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./random":50}],47:[function(require,module,exports){
(function (process,global){
'use strict';
var eventUtils = require('./event')
, JSON3 = require('json3')
, browser = require('./browser')
;
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:utils:iframe');
}
module.exports = {
WPrefix: '_jp'
, currentWindowId: null
, polluteGlobalNamespace: function() {
if (!(module.exports.WPrefix in global)) {
global[module.exports.WPrefix] = {};
}
}
, postMessage: function(type, data) {
if (global.parent !== global) {
global.parent.postMessage(JSON3.stringify({
windowId: module.exports.currentWindowId
, type: type
, data: data || ''
}), '*');
} else {
debug('Cannot postMessage, no parent window.', type, data);
}
}
, createIframe: function(iframeUrl, errorCallback) {
var iframe = global.document.createElement('iframe');
var tref, unloadRef;
var unattach = function() {
debug('unattach');
clearTimeout(tref);
// Explorer had problems with that.
try {
iframe.onload = null;
} catch (x) {
// intentionally empty
}
iframe.onerror = null;
};
var cleanup = function() {
debug('cleanup');
if (iframe) {
unattach();
// This timeout makes chrome fire onbeforeunload event
// within iframe. Without the timeout it goes straight to
// onunload.
setTimeout(function() {
if (iframe) {
iframe.parentNode.removeChild(iframe);
}
iframe = null;
}, 0);
eventUtils.unloadDel(unloadRef);
}
};
var onerror = function(err) {
debug('onerror', err);
if (iframe) {
cleanup();
errorCallback(err);
}
};
var post = function(msg, origin) {
debug('post', msg, origin);
setTimeout(function() {
try {
// When the iframe is not loaded, IE raises an exception
// on 'contentWindow'.
if (iframe && iframe.contentWindow) {
iframe.contentWindow.postMessage(msg, origin);
}
} catch (x) {
// intentionally empty
}
}, 0);
};
iframe.src = iframeUrl;
iframe.style.display = 'none';
iframe.style.position = 'absolute';
iframe.onerror = function() {
onerror('onerror');
};
iframe.onload = function() {
debug('onload');
// `onload` is triggered before scripts on the iframe are
// executed. Give it few seconds to actually load stuff.
clearTimeout(tref);
tref = setTimeout(function() {
onerror('onload timeout');
}, 2000);
};
global.document.body.appendChild(iframe);
tref = setTimeout(function() {
onerror('timeout');
}, 15000);
unloadRef = eventUtils.unloadAdd(cleanup);
return {
post: post
, cleanup: cleanup
, loaded: unattach
};
}
/* eslint no-undef: "off", new-cap: "off" */
, createHtmlfile: function(iframeUrl, errorCallback) {
var axo = ['Active'].concat('Object').join('X');
var doc = new global[axo]('htmlfile');
var tref, unloadRef;
var iframe;
var unattach = function() {
clearTimeout(tref);
iframe.onerror = null;
};
var cleanup = function() {
if (doc) {
unattach();
eventUtils.unloadDel(unloadRef);
iframe.parentNode.removeChild(iframe);
iframe = doc = null;
CollectGarbage();
}
};
var onerror = function(r) {
debug('onerror', r);
if (doc) {
cleanup();
errorCallback(r);
}
};
var post = function(msg, origin) {
try {
// When the iframe is not loaded, IE raises an exception
// on 'contentWindow'.
setTimeout(function() {
if (iframe && iframe.contentWindow) {
iframe.contentWindow.postMessage(msg, origin);
}
}, 0);
} catch (x) {
// intentionally empty
}
};
doc.open();
doc.write('<html><s' + 'cript>' +
'document.domain="' + global.document.domain + '";' +
'</s' + 'cript></html>');
doc.close();
doc.parentWindow[module.exports.WPrefix] = global[module.exports.WPrefix];
var c = doc.createElement('div');
doc.body.appendChild(c);
iframe = doc.createElement('iframe');
c.appendChild(iframe);
iframe.src = iframeUrl;
iframe.onerror = function() {
onerror('onerror');
};
tref = setTimeout(function() {
onerror('timeout');
}, 15000);
unloadRef = eventUtils.unloadAdd(cleanup);
return {
post: post
, cleanup: cleanup
, loaded: unattach
};
}
};
module.exports.iframeEnabled = false;
if (global.document) {
// postMessage misbehaves in konqueror 4.6.5 - the messages are delivered with
// huge delay, or not at all.
module.exports.iframeEnabled = (typeof global.postMessage === 'function' ||
typeof global.postMessage === 'object') && (!browser.isKonqueror());
}
}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./browser":44,"./event":46,"debug":55,"json3":58}],48:[function(require,module,exports){
(function (global){
'use strict';
var logObject = {};
['log', 'debug', 'warn'].forEach(function (level) {
var levelExists;
try {
levelExists = global.console && global.console[level] && global.console[level].apply;
} catch(e) {
// do nothing
}
logObject[level] = levelExists ? function () {
return global.console[level].apply(global.console, arguments);
} : (level === 'log' ? function () {} : logObject.log);
});
module.exports = logObject;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],49:[function(require,module,exports){
'use strict';
module.exports = {
isObject: function(obj) {
var type = typeof obj;
return type === 'function' || type === 'object' && !!obj;
}
, extend: function(obj) {
if (!this.isObject(obj)) {
return obj;
}
var source, prop;
for (var i = 1, length = arguments.length; i < length; i++) {
source = arguments[i];
for (prop in source) {
if (Object.prototype.hasOwnProperty.call(source, prop)) {
obj[prop] = source[prop];
}
}
}
return obj;
}
};
},{}],50:[function(require,module,exports){
'use strict';
/* global crypto:true */
var crypto = require('crypto');
// This string has length 32, a power of 2, so the modulus doesn't introduce a
// bias.
var _randomStringChars = 'abcdefghijklmnopqrstuvwxyz012345';
module.exports = {
string: function(length) {
var max = _randomStringChars.length;
var bytes = crypto.randomBytes(length);
var ret = [];
for (var i = 0; i < length; i++) {
ret.push(_randomStringChars.substr(bytes[i] % max, 1));
}
return ret.join('');
}
, number: function(max) {
return Math.floor(Math.random() * max);
}
, numberString: function(max) {
var t = ('' + (max - 1)).length;
var p = new Array(t + 1).join('0');
return (p + this.number(max)).slice(-t);
}
};
},{"crypto":43}],51:[function(require,module,exports){
(function (process){
'use strict';
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:utils:transport');
}
module.exports = function(availableTransports) {
return {
filterToEnabled: function(transportsWhitelist, info) {
var transports = {
main: []
, facade: []
};
if (!transportsWhitelist) {
transportsWhitelist = [];
} else if (typeof transportsWhitelist === 'string') {
transportsWhitelist = [transportsWhitelist];
}
availableTransports.forEach(function(trans) {
if (!trans) {
return;
}
if (trans.transportName === 'websocket' && info.websocket === false) {
debug('disabled from server', 'websocket');
return;
}
if (transportsWhitelist.length &&
transportsWhitelist.indexOf(trans.transportName) === -1) {
debug('not in whitelist', trans.transportName);
return;
}
if (trans.enabled(info)) {
debug('enabled', trans.transportName);
transports.main.push(trans);
if (trans.facadeTransport) {
transports.facade.push(trans.facadeTransport);
}
} else {
debug('disabled', trans.transportName);
}
});
return transports;
}
};
};
}).call(this,{ env: {} })
},{"debug":55}],52:[function(require,module,exports){
(function (process){
'use strict';
var URL = require('url-parse');
var debug = function() {};
if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:utils:url');
}
module.exports = {
getOrigin: function(url) {
if (!url) {
return null;
}
var p = new URL(url);
if (p.protocol === 'file:') {
return null;
}
var port = p.port;
if (!port) {
port = (p.protocol === 'https:') ? '443' : '80';
}
return p.protocol + '//' + p.hostname + ':' + port;
}
, isOriginEqual: function(a, b) {
var res = this.getOrigin(a) === this.getOrigin(b);
debug('same', a, b, res);
return res;
}
, isSchemeEqual: function(a, b) {
return (a.split(':')[0] === b.split(':')[0]);
}
, addPath: function (url, path) {
var qs = url.split('?');
return qs[0] + path + (qs[1] ? '?' + qs[1] : '');
}
, addQuery: function (url, q) {
return url + (url.indexOf('?') === -1 ? ('?' + q) : ('&' + q));
}
};
}).call(this,{ env: {} })
},{"debug":55,"url-parse":61}],53:[function(require,module,exports){
module.exports = '1.4.0';
},{}],54:[function(require,module,exports){
/**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var w = d * 7;
var y = d * 365.25;
/**
* Parse or format the given `val`.
*
* Options:
*
* - `long` verbose formatting [false]
*
* @param {String|Number} val
* @param {Object} [options]
* @throws {Error} throw an error if val is not a non-empty string or a number
* @return {String|Number}
* @api public
*/
module.exports = function(val, options) {
options = options || {};
var type = typeof val;
if (type === 'string' && val.length > 0) {
return parse(val);
} else if (type === 'number' && isNaN(val) === false) {
return options.long ? fmtLong(val) : fmtShort(val);
}
throw new Error(
'val is not a non-empty string or a valid number. val=' +
JSON.stringify(val)
);
};
/**
* Parse the given `str` and return milliseconds.
*
* @param {String} str
* @return {Number}
* @api private
*/
function parse(str) {
str = String(str);
if (str.length > 100) {
return;
}
var match = /^((?:\d+)?\-?\d?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
str
);
if (!match) {
return;
}
var n = parseFloat(match[1]);
var type = (match[2] || 'ms').toLowerCase();
switch (type) {
case 'years':
case 'year':
case 'yrs':
case 'yr':
case 'y':
return n * y;
case 'weeks':
case 'week':
case 'w':
return n * w;
case 'days':
case 'day':
case 'd':
return n * d;
case 'hours':
case 'hour':
case 'hrs':
case 'hr':
case 'h':
return n * h;
case 'minutes':
case 'minute':
case 'mins':
case 'min':
case 'm':
return n * m;
case 'seconds':
case 'second':
case 'secs':
case 'sec':
case 's':
return n * s;
case 'milliseconds':
case 'millisecond':
case 'msecs':
case 'msec':
case 'ms':
return n;
default:
return undefined;
}
}
/**
* Short format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtShort(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return Math.round(ms / d) + 'd';
}
if (msAbs >= h) {
return Math.round(ms / h) + 'h';
}
if (msAbs >= m) {
return Math.round(ms / m) + 'm';
}
if (msAbs >= s) {
return Math.round(ms / s) + 's';
}
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return plural(ms, msAbs, d, 'day');
}
if (msAbs >= h) {
return plural(ms, msAbs, h, 'hour');
}
if (msAbs >= m) {
return plural(ms, msAbs, m, 'minute');
}
if (msAbs >= s) {
return plural(ms, msAbs, s, 'second');
}
return ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, msAbs, n, name) {
var isPlural = msAbs >= n * 1.5;
return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
}
},{}],55:[function(require,module,exports){
(function (process){
"use strict";
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
/* eslint-env browser */
/**
* This is the web browser implementation of `debug()`.
*/
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = localstorage();
/**
* Colors.
*/
exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
// eslint-disable-next-line complexity
function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
return true;
} // Internet Explorer and Edge do not support colors.
if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
return false;
} // Is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773
typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker
typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);
if (!this.useColors) {
return;
}
var c = 'color: ' + this.color;
args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
var index = 0;
var lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, function (match) {
if (match === '%%') {
return;
}
index++;
if (match === '%c') {
// We only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
}
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.log()` when available.
* No-op when `console.log` is not a "function".
*
* @api public
*/
function log() {
var _console;
// This hackery is required for IE8/9, where
// the `console.log` function doesn't have 'apply'
return (typeof console === "undefined" ? "undefined" : _typeof(console)) === 'object' && console.log && (_console = console).log.apply(_console, arguments);
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) {
exports.storage.setItem('debug', namespaces);
} else {
exports.storage.removeItem('debug');
}
} catch (error) {// Swallow
// XXX (@Qix-) should we be logging these?
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
var r;
try {
r = exports.storage.getItem('debug');
} catch (error) {} // Swallow
// XXX (@Qix-) should we be logging these?
// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
if (!r && typeof process !== 'undefined' && 'env' in process) {
r = process.env.DEBUG;
}
return r;
}
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage() {
try {
// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
// The Browser also has localStorage in the global context.
return localStorage;
} catch (error) {// Swallow
// XXX (@Qix-) should we be logging these?
}
}
module.exports = require('./common')(exports);
var formatters = module.exports.formatters;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function (v) {
try {
return JSON.stringify(v);
} catch (error) {
return '[UnexpectedJSONParseError]: ' + error.message;
}
};
}).call(this,{ env: {} })
},{"./common":56}],56:[function(require,module,exports){
"use strict";
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug.default = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = require('ms');
Object.keys(env).forEach(function (key) {
createDebug[key] = env[key];
});
/**
* Active `debug` instances.
*/
createDebug.instances = [];
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
var hash = 0;
for (var i = 0; i < namespace.length; i++) {
hash = (hash << 5) - hash + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
var prevTime;
function debug() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
// Disabled?
if (!debug.enabled) {
return;
}
var self = debug; // Set `diff` timestamp
var curr = Number(new Date());
var ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== 'string') {
// Anything else let's inspect with %O
args.unshift('%O');
} // Apply any `formatters` transformations
var index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) {
// If we encounter an escaped % then don't increase the array index
if (match === '%%') {
return match;
}
index++;
var formatter = createDebug.formatters[format];
if (typeof formatter === 'function') {
var val = args[index];
match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
}); // Apply env-specific formatting (colors, etc.)
createDebug.formatArgs.call(self, args);
var logFn = self.log || createDebug.log;
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.enabled = createDebug.enabled(namespace);
debug.useColors = createDebug.useColors();
debug.color = selectColor(namespace);
debug.destroy = destroy;
debug.extend = extend; // Debug.formatArgs = formatArgs;
// debug.rawLog = rawLog;
// env-specific initialization logic for debug instances
if (typeof createDebug.init === 'function') {
createDebug.init(debug);
}
createDebug.instances.push(debug);
return debug;
}
function destroy() {
var index = createDebug.instances.indexOf(this);
if (index !== -1) {
createDebug.instances.splice(index, 1);
return true;
}
return false;
}
function extend(namespace, delimiter) {
return createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.names = [];
createDebug.skips = [];
var i;
var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
var len = split.length;
for (i = 0; i < len; i++) {
if (!split[i]) {
// ignore empty strings
continue;
}
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
} else {
createDebug.names.push(new RegExp('^' + namespaces + '$'));
}
}
for (i = 0; i < createDebug.instances.length; i++) {
var instance = createDebug.instances[i];
instance.enabled = createDebug.enabled(instance.namespace);
}
}
/**
* Disable debug output.
*
* @api public
*/
function disable() {
createDebug.enable('');
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
if (name[name.length - 1] === '*') {
return true;
}
var i;
var len;
for (i = 0, len = createDebug.skips.length; i < len; i++) {
if (createDebug.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = createDebug.names.length; i < len; i++) {
if (createDebug.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) {
return val.stack || val.message;
}
return val;
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;
},{"ms":54}],57:[function(require,module,exports){
if (typeof Object.create === 'function') {
// implementation from standard node.js 'util' module
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
ctor.prototype = Object.create(superCtor.prototype, {
constructor: {
value: ctor,
enumerable: false,
writable: true,
configurable: true
}
});
};
} else {
// old school shim for old browsers
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
var TempCtor = function () {}
TempCtor.prototype = superCtor.prototype
ctor.prototype = new TempCtor()
ctor.prototype.constructor = ctor
}
}
},{}],58:[function(require,module,exports){
(function (global){
/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */
;(function () {
// Detect the `define` function exposed by asynchronous module loaders. The
// strict `define` check is necessary for compatibility with `r.js`.
var isLoader = typeof define === "function" && define.amd;
// A set of types used to distinguish objects from primitives.
var objectTypes = {
"function": true,
"object": true
};
// Detect the `exports` object exposed by CommonJS implementations.
var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
// Use the `global` object exposed by Node (including Browserify via
// `insert-module-globals`), Narwhal, and Ringo as the default context,
// and the `window` object in browsers. Rhino exports a `global` function
// instead.
var root = objectTypes[typeof window] && window || this,
freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global;
if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) {
root = freeGlobal;
}
// Public: Initializes JSON 3 using the given `context` object, attaching the
// `stringify` and `parse` functions to the specified `exports` object.
function runInContext(context, exports) {
context || (context = root["Object"]());
exports || (exports = root["Object"]());
// Native constructor aliases.
var Number = context["Number"] || root["Number"],
String = context["String"] || root["String"],
Object = context["Object"] || root["Object"],
Date = context["Date"] || root["Date"],
SyntaxError = context["SyntaxError"] || root["SyntaxError"],
TypeError = context["TypeError"] || root["TypeError"],
Math = context["Math"] || root["Math"],
nativeJSON = context["JSON"] || root["JSON"];
// Delegate to the native `stringify` and `parse` implementations.
if (typeof nativeJSON == "object" && nativeJSON) {
exports.stringify = nativeJSON.stringify;
exports.parse = nativeJSON.parse;
}
// Convenience aliases.
var objectProto = Object.prototype,
getClass = objectProto.toString,
isProperty, forEach, undef;
// Test the `Date#getUTC*` methods. Based on work by @Yaffle.
var isExtended = new Date(-3509827334573292);
try {
// The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
// results for certain dates in Opera >= 10.53.
isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
// Safari < 2.0.2 stores the internal millisecond time value correctly,
// but clips the values returned by the date methods to the range of
// signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
} catch (exception) {}
// Internal: Determines whether the native `JSON.stringify` and `parse`
// implementations are spec-compliant. Based on work by Ken Snyder.
function has(name) {
if (has[name] !== undef) {
// Return cached feature test result.
return has[name];
}
var isSupported;
if (name == "bug-string-char-index") {
// IE <= 7 doesn't support accessing string characters using square
// bracket notation. IE 8 only supports this for primitives.
isSupported = "a"[0] != "a";
} else if (name == "json") {
// Indicates whether both `JSON.stringify` and `JSON.parse` are
// supported.
isSupported = has("json-stringify") && has("json-parse");
} else {
var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
// Test `JSON.stringify`.
if (name == "json-stringify") {
var stringify = exports.stringify, stringifySupported = typeof stringify == "function" && isExtended;
if (stringifySupported) {
// A test function object with a custom `toJSON` method.
(value = function () {
return 1;
}).toJSON = value;
try {
stringifySupported =
// Firefox 3.1b1 and b2 serialize string, number, and boolean
// primitives as object literals.
stringify(0) === "0" &&
// FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
// literals.
stringify(new Number()) === "0" &&
stringify(new String()) == '""' &&
// FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
// does not define a canonical JSON representation (this applies to
// objects with `toJSON` properties as well, *unless* they are nested
// within an object or array).
stringify(getClass) === undef &&
// IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
// FF 3.1b3 pass this test.
stringify(undef) === undef &&
// Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
// respectively, if the value is omitted entirely.
stringify() === undef &&
// FF 3.1b1, 2 throw an error if the given value is not a number,
// string, array, object, Boolean, or `null` literal. This applies to
// objects with custom `toJSON` methods as well, unless they are nested
// inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
// methods entirely.
stringify(value) === "1" &&
stringify([value]) == "[1]" &&
// Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
// `"[null]"`.
stringify([undef]) == "[null]" &&
// YUI 3.0.0b1 fails to serialize `null` literals.
stringify(null) == "null" &&
// FF 3.1b1, 2 halts serialization if an array contains a function:
// `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
// elides non-JSON values from objects and arrays, unless they
// define custom `toJSON` methods.
stringify([undef, getClass, null]) == "[null,null,null]" &&
// Simple serialization test. FF 3.1b1 uses Unicode escape sequences
// where character escape codes are expected (e.g., `\b` => `\u0008`).
stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
// FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
stringify(null, value) === "1" &&
stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
// JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
// serialize extended years.
stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
// The milliseconds are optional in ES 5, but required in 5.1.
stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
// Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
// four-digit years instead of six-digit years. Credits: @Yaffle.
stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
// Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
// values less than 1000. Credits: @Yaffle.
stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
} catch (exception) {
stringifySupported = false;
}
}
isSupported = stringifySupported;
}
// Test `JSON.parse`.
if (name == "json-parse") {
var parse = exports.parse;
if (typeof parse == "function") {
try {
// FF 3.1b1, b2 will throw an exception if a bare literal is provided.
// Conforming implementations should also coerce the initial argument to
// a string prior to parsing.
if (parse("0") === 0 && !parse(false)) {
// Simple parsing test.
value = parse(serialized);
var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
if (parseSupported) {
try {
// Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
parseSupported = !parse('"\t"');
} catch (exception) {}
if (parseSupported) {
try {
// FF 4.0 and 4.0.1 allow leading `+` signs and leading
// decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
// certain octal literals.
parseSupported = parse("01") !== 1;
} catch (exception) {}
}
if (parseSupported) {
try {
// FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
// points. These environments, along with FF 3.1b1 and 2,
// also allow trailing commas in JSON objects and arrays.
parseSupported = parse("1.") !== 1;
} catch (exception) {}
}
}
}
} catch (exception) {
parseSupported = false;
}
}
isSupported = parseSupported;
}
}
return has[name] = !!isSupported;
}
if (!has("json")) {
// Common `[[Class]]` name aliases.
var functionClass = "[object Function]",
dateClass = "[object Date]",
numberClass = "[object Number]",
stringClass = "[object String]",
arrayClass = "[object Array]",
booleanClass = "[object Boolean]";
// Detect incomplete support for accessing string characters by index.
var charIndexBuggy = has("bug-string-char-index");
// Define additional utility methods if the `Date` methods are buggy.
if (!isExtended) {
var floor = Math.floor;
// A mapping between the months of the year and the number of days between
// January 1st and the first of the respective month.
var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
// Internal: Calculates the number of days between the Unix epoch and the
// first day of the given month.
var getDay = function (year, month) {
return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
};
}
// Internal: Determines if a property is a direct property of the given
// object. Delegates to the native `Object#hasOwnProperty` method.
if (!(isProperty = objectProto.hasOwnProperty)) {
isProperty = function (property) {
var members = {}, constructor;
if ((members.__proto__ = null, members.__proto__ = {
// The *proto* property cannot be set multiple times in recent
// versions of Firefox and SeaMonkey.
"toString": 1
}, members).toString != getClass) {
// Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
// supports the mutable *proto* property.
isProperty = function (property) {
// Capture and break the object's prototype chain (see section 8.6.2
// of the ES 5.1 spec). The parenthesized expression prevents an
// unsafe transformation by the Closure Compiler.
var original = this.__proto__, result = property in (this.__proto__ = null, this);
// Restore the original prototype chain.
this.__proto__ = original;
return result;
};
} else {
// Capture a reference to the top-level `Object` constructor.
constructor = members.constructor;
// Use the `constructor` property to simulate `Object#hasOwnProperty` in
// other environments.
isProperty = function (property) {
var parent = (this.constructor || constructor).prototype;
return property in this && !(property in parent && this[property] === parent[property]);
};
}
members = null;
return isProperty.call(this, property);
};
}
// Internal: Normalizes the `for...in` iteration algorithm across
// environments. Each enumerated key is yielded to a `callback` function.
forEach = function (object, callback) {
var size = 0, Properties, members, property;
// Tests for bugs in the current environment's `for...in` algorithm. The
// `valueOf` property inherits the non-enumerable flag from
// `Object.prototype` in older versions of IE, Netscape, and Mozilla.
(Properties = function () {
this.valueOf = 0;
}).prototype.valueOf = 0;
// Iterate over a new instance of the `Properties` class.
members = new Properties();
for (property in members) {
// Ignore all properties inherited from `Object.prototype`.
if (isProperty.call(members, property)) {
size++;
}
}
Properties = members = null;
// Normalize the iteration algorithm.
if (!size) {
// A list of non-enumerable properties inherited from `Object.prototype`.
members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
// IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
// properties.
forEach = function (object, callback) {
var isFunction = getClass.call(object) == functionClass, property, length;
var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty;
for (property in object) {
// Gecko <= 1.0 enumerates the `prototype` property of functions under
// certain conditions; IE does not.
if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
callback(property);
}
}
// Manually invoke the callback for each non-enumerable property.
for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
};
} else if (size == 2) {
// Safari <= 2.0.4 enumerates shadowed properties twice.
forEach = function (object, callback) {
// Create a set of iterated properties.
var members = {}, isFunction = getClass.call(object) == functionClass, property;
for (property in object) {
// Store each property name to prevent double enumeration. The
// `prototype` property of functions is not enumerated due to cross-
// environment inconsistencies.
if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
callback(property);
}
}
};
} else {
// No bugs detected; use the standard `for...in` algorithm.
forEach = function (object, callback) {
var isFunction = getClass.call(object) == functionClass, property, isConstructor;
for (property in object) {
if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
callback(property);
}
}
// Manually invoke the callback for the `constructor` property due to
// cross-environment inconsistencies.
if (isConstructor || isProperty.call(object, (property = "constructor"))) {
callback(property);
}
};
}
return forEach(object, callback);
};
// Public: Serializes a JavaScript `value` as a JSON string. The optional
// `filter` argument may specify either a function that alters how object and
// array members are serialized, or an array of strings and numbers that
// indicates which properties should be serialized. The optional `width`
// argument may be either a string or number that specifies the indentation
// level of the output.
if (!has("json-stringify")) {
// Internal: A map of control characters and their escaped equivalents.
var Escapes = {
92: "\\\\",
34: '\\"',
8: "\\b",
12: "\\f",
10: "\\n",
13: "\\r",
9: "\\t"
};
// Internal: Converts `value` into a zero-padded string such that its
// length is at least equal to `width`. The `width` must be <= 6.
var leadingZeroes = "000000";
var toPaddedString = function (width, value) {
// The `|| 0` expression is necessary to work around a bug in
// Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
return (leadingZeroes + (value || 0)).slice(-width);
};
// Internal: Double-quotes a string `value`, replacing all ASCII control
// characters (characters with code unit values between 0 and 31) with
// their escaped equivalents. This is an implementation of the
// `Quote(value)` operation defined in ES 5.1 section 15.12.3.
var unicodePrefix = "\\u00";
var quote = function (value) {
var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10;
var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
for (; index < length; index++) {
var charCode = value.charCodeAt(index);
// If the character is a control character, append its Unicode or
// shorthand escape sequence; otherwise, append the character as-is.
switch (charCode) {
case 8: case 9: case 10: case 12: case 13: case 34: case 92:
result += Escapes[charCode];
break;
default:
if (charCode < 32) {
result += unicodePrefix + toPaddedString(2, charCode.toString(16));
break;
}
result += useCharIndex ? symbols[index] : value.charAt(index);
}
}
return result + '"';
};
// Internal: Recursively serializes an object. Implements the
// `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
try {
// Necessary for host object support.
value = object[property];
} catch (exception) {}
if (typeof value == "object" && value) {
className = getClass.call(value);
if (className == dateClass && !isProperty.call(value, "toJSON")) {
if (value > -1 / 0 && value < 1 / 0) {
// Dates are serialized according to the `Date#toJSON` method
// specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
// for the ISO 8601 date time string format.
if (getDay) {
// Manually compute the year, month, date, hours, minutes,
// seconds, and milliseconds if the `getUTC*` methods are
// buggy. Adapted from @Yaffle's `date-shim` project.
date = floor(value / 864e5);
for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
date = 1 + date - getDay(year, month);
// The `time` value specifies the time within the day (see ES
// 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
// to compute `A modulo B`, as the `%` operator does not
// correspond to the `modulo` operation for negative numbers.
time = (value % 864e5 + 864e5) % 864e5;
// The hours, minutes, seconds, and milliseconds are obtained by
// decomposing the time within the day. See section 15.9.1.10.
hours = floor(time / 36e5) % 24;
minutes = floor(time / 6e4) % 60;
seconds = floor(time / 1e3) % 60;
milliseconds = time % 1e3;
} else {
year = value.getUTCFullYear();
month = value.getUTCMonth();
date = value.getUTCDate();
hours = value.getUTCHours();
minutes = value.getUTCMinutes();
seconds = value.getUTCSeconds();
milliseconds = value.getUTCMilliseconds();
}
// Serialize extended years correctly.
value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
"-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
// Months, dates, hours, minutes, and seconds should have two
// digits; milliseconds should have three.
"T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
// Milliseconds are optional in ES 5.0, but required in 5.1.
"." + toPaddedString(3, milliseconds) + "Z";
} else {
value = null;
}
} else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
// Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
// `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
// ignores all `toJSON` methods on these objects unless they are
// defined directly on an instance.
value = value.toJSON(property);
}
}
if (callback) {
// If a replacement function was provided, call it to obtain the value
// for serialization.
value = callback.call(object, property, value);
}
if (value === null) {
return "null";
}
className = getClass.call(value);
if (className == booleanClass) {
// Booleans are represented literally.
return "" + value;
} else if (className == numberClass) {
// JSON numbers must be finite. `Infinity` and `NaN` are serialized as
// `"null"`.
return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
} else if (className == stringClass) {
// Strings are double-quoted and escaped.
return quote("" + value);
}
// Recursively serialize objects and arrays.
if (typeof value == "object") {
// Check for cyclic structures. This is a linear search; performance
// is inversely proportional to the number of unique nested objects.
for (length = stack.length; length--;) {
if (stack[length] === value) {
// Cyclic structures cannot be serialized by `JSON.stringify`.
throw TypeError();
}
}
// Add the object to the stack of traversed objects.
stack.push(value);
results = [];
// Save the current indentation level and indent one additional level.
prefix = indentation;
indentation += whitespace;
if (className == arrayClass) {
// Recursively serialize array elements.
for (index = 0, length = value.length; index < length; index++) {
element = serialize(index, value, callback, properties, whitespace, indentation, stack);
results.push(element === undef ? "null" : element);
}
result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
} else {
// Recursively serialize object members. Members are selected from
// either a user-specified list of property names, or the object
// itself.
forEach(properties || value, function (property) {
var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
if (element !== undef) {
// According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
// is not the empty string, let `member` {quote(property) + ":"}
// be the concatenation of `member` and the `space` character."
// The "`space` character" refers to the literal space
// character, not the `space` {width} argument provided to
// `JSON.stringify`.
results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
}
});
result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
}
// Remove the object from the traversed object stack.
stack.pop();
return result;
}
};
// Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
exports.stringify = function (source, filter, width) {
var whitespace, callback, properties, className;
if (objectTypes[typeof filter] && filter) {
if ((className = getClass.call(filter)) == functionClass) {
callback = filter;
} else if (className == arrayClass) {
// Convert the property names array into a makeshift set.
properties = {};
for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
}
}
if (width) {
if ((className = getClass.call(width)) == numberClass) {
// Convert the `width` to an integer and create a string containing
// `width` number of space characters.
if ((width -= width % 1) > 0) {
for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
}
} else if (className == stringClass) {
whitespace = width.length <= 10 ? width : width.slice(0, 10);
}
}
// Opera <= 7.54u2 discards the values associated with empty string keys
// (`""`) only if they are used directly within an object member list
// (e.g., `!("" in { "": 1})`).
return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
};
}
// Public: Parses a JSON source string.
if (!has("json-parse")) {
var fromCharCode = String.fromCharCode;
// Internal: A map of escaped control characters and their unescaped
// equivalents.
var Unescapes = {
92: "\\",
34: '"',
47: "/",
98: "\b",
116: "\t",
110: "\n",
102: "\f",
114: "\r"
};
// Internal: Stores the parser state.
var Index, Source;
// Internal: Resets the parser state and throws a `SyntaxError`.
var abort = function () {
Index = Source = null;
throw SyntaxError();
};
// Internal: Returns the next token, or `"$"` if the parser has reached
// the end of the source string. A token may be a string, number, `null`
// literal, or Boolean literal.
var lex = function () {
var source = Source, length = source.length, value, begin, position, isSigned, charCode;
while (Index < length) {
charCode = source.charCodeAt(Index);
switch (charCode) {
case 9: case 10: case 13: case 32:
// Skip whitespace tokens, including tabs, carriage returns, line
// feeds, and space characters.
Index++;
break;
case 123: case 125: case 91: case 93: case 58: case 44:
// Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
// the current position.
value = charIndexBuggy ? source.charAt(Index) : source[Index];
Index++;
return value;
case 34:
// `"` delimits a JSON string; advance to the next character and
// begin parsing the string. String tokens are prefixed with the
// sentinel `@` character to distinguish them from punctuators and
// end-of-string tokens.
for (value = "@", Index++; Index < length;) {
charCode = source.charCodeAt(Index);
if (charCode < 32) {
// Unescaped ASCII control characters (those with a code unit
// less than the space character) are not permitted.
abort();
} else if (charCode == 92) {
// A reverse solidus (`\`) marks the beginning of an escaped
// control character (including `"`, `\`, and `/`) or Unicode
// escape sequence.
charCode = source.charCodeAt(++Index);
switch (charCode) {
case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
// Revive escaped control characters.
value += Unescapes[charCode];
Index++;
break;
case 117:
// `\u` marks the beginning of a Unicode escape sequence.
// Advance to the first character and validate the
// four-digit code point.
begin = ++Index;
for (position = Index + 4; Index < position; Index++) {
charCode = source.charCodeAt(Index);
// A valid sequence comprises four hexdigits (case-
// insensitive) that form a single hexadecimal value.
if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
// Invalid Unicode escape sequence.
abort();
}
}
// Revive the escaped character.
value += fromCharCode("0x" + source.slice(begin, Index));
break;
default:
// Invalid escape sequence.
abort();
}
} else {
if (charCode == 34) {
// An unescaped double-quote character marks the end of the
// string.
break;
}
charCode = source.charCodeAt(Index);
begin = Index;
// Optimize for the common case where a string is valid.
while (charCode >= 32 && charCode != 92 && charCode != 34) {
charCode = source.charCodeAt(++Index);
}
// Append the string as-is.
value += source.slice(begin, Index);
}
}
if (source.charCodeAt(Index) == 34) {
// Advance to the next character and return the revived string.
Index++;
return value;
}
// Unterminated string.
abort();
default:
// Parse numbers and literals.
begin = Index;
// Advance past the negative sign, if one is specified.
if (charCode == 45) {
isSigned = true;
charCode = source.charCodeAt(++Index);
}
// Parse an integer or floating-point value.
if (charCode >= 48 && charCode <= 57) {
// Leading zeroes are interpreted as octal literals.
if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
// Illegal octal literal.
abort();
}
isSigned = false;
// Parse the integer component.
for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
// Floats cannot contain a leading decimal point; however, this
// case is already accounted for by the parser.
if (source.charCodeAt(Index) == 46) {
position = ++Index;
// Parse the decimal component.
for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
if (position == Index) {
// Illegal trailing decimal.
abort();
}
Index = position;
}
// Parse exponents. The `e` denoting the exponent is
// case-insensitive.
charCode = source.charCodeAt(Index);
if (charCode == 101 || charCode == 69) {
charCode = source.charCodeAt(++Index);
// Skip past the sign following the exponent, if one is
// specified.
if (charCode == 43 || charCode == 45) {
Index++;
}
// Parse the exponential component.
for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
if (position == Index) {
// Illegal empty exponent.
abort();
}
Index = position;
}
// Coerce the parsed value to a JavaScript number.
return +source.slice(begin, Index);
}
// A negative sign may only precede numbers.
if (isSigned) {
abort();
}
// `true`, `false`, and `null` literals.
if (source.slice(Index, Index + 4) == "true") {
Index += 4;
return true;
} else if (source.slice(Index, Index + 5) == "false") {
Index += 5;
return false;
} else if (source.slice(Index, Index + 4) == "null") {
Index += 4;
return null;
}
// Unrecognized token.
abort();
}
}
// Return the sentinel `$` character if the parser has reached the end
// of the source string.
return "$";
};
// Internal: Parses a JSON `value` token.
var get = function (value) {
var results, hasMembers;
if (value == "$") {
// Unexpected end of input.
abort();
}
if (typeof value == "string") {
if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
// Remove the sentinel `@` character.
return value.slice(1);
}
// Parse object and array literals.
if (value == "[") {
// Parses a JSON array, returning a new JavaScript array.
results = [];
for (;; hasMembers || (hasMembers = true)) {
value = lex();
// A closing square bracket marks the end of the array literal.
if (value == "]") {
break;
}
// If the array literal contains elements, the current token
// should be a comma separating the previous element from the
// next.
if (hasMembers) {
if (value == ",") {
value = lex();
if (value == "]") {
// Unexpected trailing `,` in array literal.
abort();
}
} else {
// A `,` must separate each array element.
abort();
}
}
// Elisions and leading commas are not permitted.
if (value == ",") {
abort();
}
results.push(get(value));
}
return results;
} else if (value == "{") {
// Parses a JSON object, returning a new JavaScript object.
results = {};
for (;; hasMembers || (hasMembers = true)) {
value = lex();
// A closing curly brace marks the end of the object literal.
if (value == "}") {
break;
}
// If the object literal contains members, the current token
// should be a comma separator.
if (hasMembers) {
if (value == ",") {
value = lex();
if (value == "}") {
// Unexpected trailing `,` in object literal.
abort();
}
} else {
// A `,` must separate each object member.
abort();
}
}
// Leading commas are not permitted, object property names must be
// double-quoted strings, and a `:` must separate each property
// name and value.
if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
abort();
}
results[value.slice(1)] = get(lex());
}
return results;
}
// Unexpected token encountered.
abort();
}
return value;
};
// Internal: Updates a traversed object member.
var update = function (source, property, callback) {
var element = walk(source, property, callback);
if (element === undef) {
delete source[property];
} else {
source[property] = element;
}
};
// Internal: Recursively traverses a parsed JSON object, invoking the
// `callback` function for each value. This is an implementation of the
// `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
var walk = function (source, property, callback) {
var value = source[property], length;
if (typeof value == "object" && value) {
// `forEach` can't be used to traverse an array in Opera <= 8.54
// because its `Object#hasOwnProperty` implementation returns `false`
// for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
if (getClass.call(value) == arrayClass) {
for (length = value.length; length--;) {
update(value, length, callback);
}
} else {
forEach(value, function (property) {
update(value, property, callback);
});
}
}
return callback.call(source, property, value);
};
// Public: `JSON.parse`. See ES 5.1 section 15.12.2.
exports.parse = function (source, callback) {
var result, value;
Index = 0;
Source = "" + source;
result = get(lex());
// If a JSON string contains multiple tokens, it is invalid.
if (lex() != "$") {
abort();
}
// Reset the parser state.
Index = Source = null;
return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
};
}
}
exports["runInContext"] = runInContext;
return exports;
}
if (freeExports && !isLoader) {
// Export for CommonJS environments.
runInContext(root, freeExports);
} else {
// Export for web browsers and JavaScript engines.
var nativeJSON = root.JSON,
previousJSON = root["JSON3"],
isRestored = false;
var JSON3 = runInContext(root, (root["JSON3"] = {
// Public: Restores the original value of the global `JSON` object and
// returns a reference to the `JSON3` object.
"noConflict": function () {
if (!isRestored) {
isRestored = true;
root.JSON = nativeJSON;
root["JSON3"] = previousJSON;
nativeJSON = previousJSON = null;
}
return JSON3;
}
}));
root.JSON = {
"parse": JSON3.parse,
"stringify": JSON3.stringify
};
}
// Export for asynchronous module loaders.
if (isLoader) {
define(function () {
return JSON3;
});
}
}).call(this);
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],59:[function(require,module,exports){
'use strict';
var has = Object.prototype.hasOwnProperty;
/**
* Decode a URI encoded string.
*
* @param {String} input The URI encoded string.
* @returns {String} The decoded string.
* @api private
*/
function decode(input) {
return decodeURIComponent(input.replace(/\+/g, ' '));
}
/**
* Simple query string parser.
*
* @param {String} query The query string that needs to be parsed.
* @returns {Object}
* @api public
*/
function querystring(query) {
var parser = /([^=?&]+)=?([^&]*)/g
, result = {}
, part;
while (part = parser.exec(query)) {
var key = decode(part[1])
, value = decode(part[2]);
//
// Prevent overriding of existing properties. This ensures that build-in
// methods like `toString` or __proto__ are not overriden by malicious
// querystrings.
//
if (key in result) continue;
result[key] = value;
}
return result;
}
/**
* Transform a query string to an object.
*
* @param {Object} obj Object that should be transformed.
* @param {String} prefix Optional prefix.
* @returns {String}
* @api public
*/
function querystringify(obj, prefix) {
prefix = prefix || '';
var pairs = [];
//
// Optionally prefix with a '?' if needed
//
if ('string' !== typeof prefix) prefix = '?';
for (var key in obj) {
if (has.call(obj, key)) {
pairs.push(encodeURIComponent(key) +'='+ encodeURIComponent(obj[key]));
}
}
return pairs.length ? prefix + pairs.join('&') : '';
}
//
// Expose the module.
//
exports.stringify = querystringify;
exports.parse = querystring;
},{}],60:[function(require,module,exports){
'use strict';
/**
* Check if we're required to add a port number.
*
* @see https://url.spec.whatwg.org/#default-port
* @param {Number|String} port Port number we need to check
* @param {String} protocol Protocol we need to check against.
* @returns {Boolean} Is it a default port for the given protocol
* @api private
*/
module.exports = function required(port, protocol) {
protocol = protocol.split(':')[0];
port = +port;
if (!port) return false;
switch (protocol) {
case 'http':
case 'ws':
return port !== 80;
case 'https':
case 'wss':
return port !== 443;
case 'ftp':
return port !== 21;
case 'gopher':
return port !== 70;
case 'file':
return false;
}
return port !== 0;
};
},{}],61:[function(require,module,exports){
(function (global){
'use strict';
var required = require('requires-port')
, qs = require('querystringify')
, protocolre = /^([a-z][a-z0-9.+-]*:)?(\/\/)?([\S\s]*)/i
, slashes = /^[A-Za-z][A-Za-z0-9+-.]*:\/\//;
/**
* These are the parse rules for the URL parser, it informs the parser
* about:
*
* 0. The char it Needs to parse, if it's a string it should be done using
* indexOf, RegExp using exec and NaN means set as current value.
* 1. The property we should set when parsing this value.
* 2. Indication if it's backwards or forward parsing, when set as number it's
* the value of extra chars that should be split off.
* 3. Inherit from location if non existing in the parser.
* 4. `toLowerCase` the resulting value.
*/
var rules = [
['#', 'hash'], // Extract from the back.
['?', 'query'], // Extract from the back.
function sanitize(address) { // Sanitize what is left of the address
return address.replace('\\', '/');
},
['/', 'pathname'], // Extract from the back.
['@', 'auth', 1], // Extract from the front.
[NaN, 'host', undefined, 1, 1], // Set left over value.
[/:(\d+)$/, 'port', undefined, 1], // RegExp the back.
[NaN, 'hostname', undefined, 1, 1] // Set left over.
];
/**
* These properties should not be copied or inherited from. This is only needed
* for all non blob URL's as a blob URL does not include a hash, only the
* origin.
*
* @type {Object}
* @private
*/
var ignore = { hash: 1, query: 1 };
/**
* The location object differs when your code is loaded through a normal page,
* Worker or through a worker using a blob. And with the blobble begins the
* trouble as the location object will contain the URL of the blob, not the
* location of the page where our code is loaded in. The actual origin is
* encoded in the `pathname` so we can thankfully generate a good "default"
* location from it so we can generate proper relative URL's again.
*
* @param {Object|String} loc Optional default location object.
* @returns {Object} lolcation object.
* @public
*/
function lolcation(loc) {
var location = global && global.location || {};
loc = loc || location;
var finaldestination = {}
, type = typeof loc
, key;
if ('blob:' === loc.protocol) {
finaldestination = new Url(unescape(loc.pathname), {});
} else if ('string' === type) {
finaldestination = new Url(loc, {});
for (key in ignore) delete finaldestination[key];
} else if ('object' === type) {
for (key in loc) {
if (key in ignore) continue;
finaldestination[key] = loc[key];
}
if (finaldestination.slashes === undefined) {
finaldestination.slashes = slashes.test(loc.href);
}
}
return finaldestination;
}
/**
* @typedef ProtocolExtract
* @type Object
* @property {String} protocol Protocol matched in the URL, in lowercase.
* @property {Boolean} slashes `true` if protocol is followed by "//", else `false`.
* @property {String} rest Rest of the URL that is not part of the protocol.
*/
/**
* Extract protocol information from a URL with/without double slash ("//").
*
* @param {String} address URL we want to extract from.
* @return {ProtocolExtract} Extracted information.
* @private
*/
function extractProtocol(address) {
var match = protocolre.exec(address);
return {
protocol: match[1] ? match[1].toLowerCase() : '',
slashes: !!match[2],
rest: match[3]
};
}
/**
* Resolve a relative URL pathname against a base URL pathname.
*
* @param {String} relative Pathname of the relative URL.
* @param {String} base Pathname of the base URL.
* @return {String} Resolved pathname.
* @private
*/
function resolve(relative, base) {
var path = (base || '/').split('/').slice(0, -1).concat(relative.split('/'))
, i = path.length
, last = path[i - 1]
, unshift = false
, up = 0;
while (i--) {
if (path[i] === '.') {
path.splice(i, 1);
} else if (path[i] === '..') {
path.splice(i, 1);
up++;
} else if (up) {
if (i === 0) unshift = true;
path.splice(i, 1);
up--;
}
}
if (unshift) path.unshift('');
if (last === '.' || last === '..') path.push('');
return path.join('/');
}
/**
* The actual URL instance. Instead of returning an object we've opted-in to
* create an actual constructor as it's much more memory efficient and
* faster and it pleases my OCD.
*
* It is worth noting that we should not use `URL` as class name to prevent
* clashes with the global URL instance that got introduced in browsers.
*
* @constructor
* @param {String} address URL we want to parse.
* @param {Object|String} location Location defaults for relative paths.
* @param {Boolean|Function} parser Parser for the query string.
* @private
*/
function Url(address, location, parser) {
if (!(this instanceof Url)) {
return new Url(address, location, parser);
}
var relative, extracted, parse, instruction, index, key
, instructions = rules.slice()
, type = typeof location
, url = this
, i = 0;
//
// The following if statements allows this module two have compatibility with
// 2 different API:
//
// 1. Node.js's `url.parse` api which accepts a URL, boolean as arguments
// where the boolean indicates that the query string should also be parsed.
//
// 2. The `URL` interface of the browser which accepts a URL, object as
// arguments. The supplied object will be used as default values / fall-back
// for relative paths.
//
if ('object' !== type && 'string' !== type) {
parser = location;
location = null;
}
if (parser && 'function' !== typeof parser) parser = qs.parse;
location = lolcation(location);
//
// Extract protocol information before running the instructions.
//
extracted = extractProtocol(address || '');
relative = !extracted.protocol && !extracted.slashes;
url.slashes = extracted.slashes || relative && location.slashes;
url.protocol = extracted.protocol || location.protocol || '';
address = extracted.rest;
//
// When the authority component is absent the URL starts with a path
// component.
//
if (!extracted.slashes) instructions[3] = [/(.*)/, 'pathname'];
for (; i < instructions.length; i++) {
instruction = instructions[i];
if (typeof instruction === 'function') {
address = instruction(address);
continue;
}
parse = instruction[0];
key = instruction[1];
if (parse !== parse) {
url[key] = address;
} else if ('string' === typeof parse) {
if (~(index = address.indexOf(parse))) {
if ('number' === typeof instruction[2]) {
url[key] = address.slice(0, index);
address = address.slice(index + instruction[2]);
} else {
url[key] = address.slice(index);
address = address.slice(0, index);
}
}
} else if ((index = parse.exec(address))) {
url[key] = index[1];
address = address.slice(0, index.index);
}
url[key] = url[key] || (
relative && instruction[3] ? location[key] || '' : ''
);
//
// Hostname, host and protocol should be lowercased so they can be used to
// create a proper `origin`.
//
if (instruction[4]) url[key] = url[key].toLowerCase();
}
//
// Also parse the supplied query string in to an object. If we're supplied
// with a custom parser as function use that instead of the default build-in
// parser.
//
if (parser) url.query = parser(url.query);
//
// If the URL is relative, resolve the pathname against the base URL.
//
if (
relative
&& location.slashes
&& url.pathname.charAt(0) !== '/'
&& (url.pathname !== '' || location.pathname !== '')
) {
url.pathname = resolve(url.pathname, location.pathname);
}
//
// We should not add port numbers if they are already the default port number
// for a given protocol. As the host also contains the port number we're going
// override it with the hostname which contains no port number.
//
if (!required(url.port, url.protocol)) {
url.host = url.hostname;
url.port = '';
}
//
// Parse down the `auth` for the username and password.
//
url.username = url.password = '';
if (url.auth) {
instruction = url.auth.split(':');
url.username = instruction[0] || '';
url.password = instruction[1] || '';
}
url.origin = url.protocol && url.host && url.protocol !== 'file:'
? url.protocol +'//'+ url.host
: 'null';
//
// The href is just the compiled result.
//
url.href = url.toString();
}
/**
* This is convenience method for changing properties in the URL instance to
* insure that they all propagate correctly.
*
* @param {String} part Property we need to adjust.
* @param {Mixed} value The newly assigned value.
* @param {Boolean|Function} fn When setting the query, it will be the function
* used to parse the query.
* When setting the protocol, double slash will be
* removed from the final url if it is true.
* @returns {URL} URL instance for chaining.
* @public
*/
function set(part, value, fn) {
var url = this;
switch (part) {
case 'query':
if ('string' === typeof value && value.length) {
value = (fn || qs.parse)(value);
}
url[part] = value;
break;
case 'port':
url[part] = value;
if (!required(value, url.protocol)) {
url.host = url.hostname;
url[part] = '';
} else if (value) {
url.host = url.hostname +':'+ value;
}
break;
case 'hostname':
url[part] = value;
if (url.port) value += ':'+ url.port;
url.host = value;
break;
case 'host':
url[part] = value;
if (/:\d+$/.test(value)) {
value = value.split(':');
url.port = value.pop();
url.hostname = value.join(':');
} else {
url.hostname = value;
url.port = '';
}
break;
case 'protocol':
url.protocol = value.toLowerCase();
url.slashes = !fn;
break;
case 'pathname':
case 'hash':
if (value) {
var char = part === 'pathname' ? '/' : '#';
url[part] = value.charAt(0) !== char ? char + value : value;
} else {
url[part] = value;
}
break;
default:
url[part] = value;
}
for (var i = 0; i < rules.length; i++) {
var ins = rules[i];
if (ins[4]) url[ins[1]] = url[ins[1]].toLowerCase();
}
url.origin = url.protocol && url.host && url.protocol !== 'file:'
? url.protocol +'//'+ url.host
: 'null';
url.href = url.toString();
return url;
}
/**
* Transform the properties back in to a valid and full URL string.
*
* @param {Function} stringify Optional query stringify function.
* @returns {String} Compiled version of the URL.
* @public
*/
function toString(stringify) {
if (!stringify || 'function' !== typeof stringify) stringify = qs.stringify;
var query
, url = this
, protocol = url.protocol;
if (protocol && protocol.charAt(protocol.length - 1) !== ':') protocol += ':';
var result = protocol + (url.slashes ? '//' : '');
if (url.username) {
result += url.username;
if (url.password) result += ':'+ url.password;
result += '@';
}
result += url.host + url.pathname;
query = 'object' === typeof url.query ? stringify(url.query) : url.query;
if (query) result += '?' !== query.charAt(0) ? '?'+ query : query;
if (url.hash) result += url.hash;
return result;
}
Url.prototype = { set: set, toString: toString };
//
// Expose the URL parser and some additional properties that might be useful for
// others or testing.
//
Url.extractProtocol = extractProtocol;
Url.location = lolcation;
Url.qs = qs;
module.exports = Url;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"querystringify":59,"requires-port":60}]},{},[1])(1)
});
//# sourceMappingURL=sockjs.js.map