main.js
import Vue from ‘vue‘import App from ‘./App‘import router from ‘./router‘import Vuex from ‘vuex‘import store from ‘./store‘import axios from ‘axios‘import VueAwesomeSwiper from ‘vue-awesome-swiper‘import ‘swiper/dist/css/swiper.css‘// import VueSocketio from ‘vue-socket.io‘
Vue.config.productionTip = falseVue.use(Vuex)// Vue.use(VueSocketio)
var ls_mac = "_ioBox_mac_code_key_";var ls_proid = "_io_ioBox_pro_id_key_";var ls_protitle = "_io_ioBox_title_key_";
//检查mac地址缓存var macCode = localStorage.getItem(ls_mac);console.log("macCode",macCode)if(!macCode){ console.log("macCode222",macCode) //没有则生成mac,提交设备号 NWBridge && NWBridge.getMac((mac) => { //alert(str); macCode = mac; localStorage.setItem(ls_mac,macCode); ini && ini.setString(‘‘,macCode,()=>{},ini.fileName.macCode); var zipFormData = new FormData(); console.log("macCode333",macCode) zipFormData.append(‘mac‘,macCode); zipFormData.append(‘title‘,"北京65box(抽奖)");
return axios.post(‘http://iboxmanager.ioart.cn/Api/add/module/device/key/dac509bd90a82719a3569291e12c24a6f1af4bac/‘,zipFormData).then((res) => { console.log("macCode444",res.data.error_code) console.log("macCode555",res.data.error_code == 0) if (res.data.error_code == 0) {
NWBridge.checkUpdate(); //增加监听 autoUpdateSocket(macCode); } }).catch(function (error) { console.log(error); })
} );}else{ //检查更新 NWBridge.checkUpdate(); //增加监听 autoUpdateSocket(macCode);}
function autoUpdateSocket(mac) { //监听 用于自动升级处理 var socket = io(‘http://msgsender.ioart.cn:2120‘); //建立连接后 socket.on(‘connect‘, function() { socket.emit(‘login‘,mac); }); //接收通信 socket.on(‘coffeeorder‘, function(msg){ NWBridge.checkUpdate(); });}
/* eslint-disable no-new */new Vue({ el: ‘#app‘, router, store, components: { App }, template: ‘<App/>‘})
index.html
<!DOCTYPE html><html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width,initial-scale=1.0"> <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" /> <title>my-project</title> </head> <body style="overflow:hidden;"> <script src="../static/js/md5.min.js?v=1547962386444"></script> <script src="../static/js/ini.js?v=1547962386444"></script> <script src="../static/js/NWBridge.js?v=1547962386444"></script> <script src="../static/js/socket.io.js?v=<%= htmlWebpackPlugin.options.version %>"></script> <div id="app"></div> <!-- built files will be auto injected --> </body></html> ini.js (直接引入)
var ini = (function () { var that; /*将ini文件更新到res目录统计，防止更新时覆盖此文件*/ var fs = require && require("fs") || null; var obj = function () { that = this; that.fileName = { config: ‘../config.ini‘, macCode: ‘../macCode.txt‘ }; }; obj.prototype = { set: function (key, value, callback, file) { var cf = this._readFile(file || that.fileName.config); cf[key] = value;
fs.writeFile(file || that.fileName.config, JSON.stringify(cf), function (err) { if (err) throw err;
if (typeof callback == "function") callback(); }); },
setString: function (key, value, callback, file) { var cf = this._readFile(file, true); cf[key] = value; fs && fs.writeFile(file || that.fileName.config, value, function (err) { if (err) throw err; if (typeof callback == "function") callback(); }); },
setSync: function (key, value, callback, file) { var cf = this._readFile(file || that.fileName.config); cf[key] = value; fs && fs.writeFileSync(file || that.fileName.config, JSON.stringify(cf)); },
get: function (key, file) { var cf = this._readFile(file || that.fileName.config); return cf[key] || ‘‘; }, getString: function (key, file) { var cf = this._readFile(file || that.fileName.config, true); return cf[key] || ‘‘; }, getAll: function (file) { var cf = this._readFile(file || that.fileName.config); return cf; },
_readFile: function (file, defaultValue) { //file = file || fileName;
if (file) { return this._writeFile(file, defaultValue); } else { for (var i = 0; i < that.fileName.length; i++) { this._writeFile(that.fileName.config, defaultValue); } } }, _writeFile: function (file, defaultValue) { if (!fs) return ‘‘; if (!fs.existsSync(file)) { fs.writeFile(file, (!defaultValue ? ‘{}‘ : ‘‘), function (err) { if (err) throw err; }); return {}; }
var str = fs.readFileSync(file); try { return JSON.parse(str); } catch (e) { return {}; } } };
return new obj();})();
md5.min.js（直接引入）
!function(a){"use strict";function b(a,b){var c=(65535&a)+(65535&b),d=(a>>16)+(b>>16)+(c>>16);return d<<16|65535&c}function c(a,b){return a<<b|a>>>32-b}function d(a,d,e,f,g,h){return b(c(b(b(d,a),b(f,h)),g),e)}function e(a,b,c,e,f,g,h){return d(b&c|~b&e,a,b,f,g,h)}function f(a,b,c,e,f,g,h){return d(b&e|c&~e,a,b,f,g,h)}function g(a,b,c,e,f,g,h){return d(b^c^e,a,b,f,g,h)}function h(a,b,c,e,f,g,h){return d(c^(b|~e),a,b,f,g,h)}function i(a,c){a[c>>5]|=128<<c%32,a[(c+64>>>9<<4)+14]=c;var d,i,j,k,l,m=1732584193,n=-271733879,o=-1732584194,p=271733878;for(d=0;d<a.length;d+=16)i=m,j=n,k=o,l=p,m=e(m,n,o,p,a[d],7,-680876936),p=e(p,m,n,o,a[d+1],12,-389564586),o=e(o,p,m,n,a[d+2],17,606105819),n=e(n,o,p,m,a[d+3],22,-1044525330),m=e(m,n,o,p,a[d+4],7,-176418897),p=e(p,m,n,o,a[d+5],12,1200080426),o=e(o,p,m,n,a[d+6],17,-1473231341),n=e(n,o,p,m,a[d+7],22,-45705983),m=e(m,n,o,p,a[d+8],7,1770035416),p=e(p,m,n,o,a[d+9],12,-1958414417),o=e(o,p,m,n,a[d+10],17,-42063),n=e(n,o,p,m,a[d+11],22,-1990404162),m=e(m,n,o,p,a[d+12],7,1804603682),p=e(p,m,n,o,a[d+13],12,-40341101),o=e(o,p,m,n,a[d+14],17,-1502002290),n=e(n,o,p,m,a[d+15],22,1236535329),m=f(m,n,o,p,a[d+1],5,-165796510),p=f(p,m,n,o,a[d+6],9,-1069501632),o=f(o,p,m,n,a[d+11],14,643717713),n=f(n,o,p,m,a[d],20,-373897302),m=f(m,n,o,p,a[d+5],5,-701558691),p=f(p,m,n,o,a[d+10],9,38016083),o=f(o,p,m,n,a[d+15],14,-660478335),n=f(n,o,p,m,a[d+4],20,-405537848),m=f(m,n,o,p,a[d+9],5,568446438),p=f(p,m,n,o,a[d+14],9,-1019803690),o=f(o,p,m,n,a[d+3],14,-187363961),n=f(n,o,p,m,a[d+8],20,1163531501),m=f(m,n,o,p,a[d+13],5,-1444681467),p=f(p,m,n,o,a[d+2],9,-51403784),o=f(o,p,m,n,a[d+7],14,1735328473),n=f(n,o,p,m,a[d+12],20,-1926607734),m=g(m,n,o,p,a[d+5],4,-378558),p=g(p,m,n,o,a[d+8],11,-2022574463),o=g(o,p,m,n,a[d+11],16,1839030562),n=g(n,o,p,m,a[d+14],23,-35309556),m=g(m,n,o,p,a[d+1],4,-1530992060),p=g(p,m,n,o,a[d+4],11,1272893353),o=g(o,p,m,n,a[d+7],16,-155497632),n=g(n,o,p,m,a[d+10],23,-1094730640),m=g(m,n,o,p,a[d+13],4,681279174),p=g(p,m,n,o,a[d],11,-358537222),o=g(o,p,m,n,a[d+3],16,-722521979),n=g(n,o,p,m,a[d+6],23,76029189),m=g(m,n,o,p,a[d+9],4,-640364487),p=g(p,m,n,o,a[d+12],11,-421815835),o=g(o,p,m,n,a[d+15],16,530742520),n=g(n,o,p,m,a[d+2],23,-995338651),m=h(m,n,o,p,a[d],6,-198630844),p=h(p,m,n,o,a[d+7],10,1126891415),o=h(o,p,m,n,a[d+14],15,-1416354905),n=h(n,o,p,m,a[d+5],21,-57434055),m=h(m,n,o,p,a[d+12],6,1700485571),p=h(p,m,n,o,a[d+3],10,-1894986606),o=h(o,p,m,n,a[d+10],15,-1051523),n=h(n,o,p,m,a[d+1],21,-2054922799),m=h(m,n,o,p,a[d+8],6,1873313359),p=h(p,m,n,o,a[d+15],10,-30611744),o=h(o,p,m,n,a[d+6],15,-1560198380),n=h(n,o,p,m,a[d+13],21,1309151649),m=h(m,n,o,p,a[d+4],6,-145523070),p=h(p,m,n,o,a[d+11],10,-1120210379),o=h(o,p,m,n,a[d+2],15,718787259),n=h(n,o,p,m,a[d+9],21,-343485551),m=b(m,i),n=b(n,j),o=b(o,k),p=b(p,l);return[m,n,o,p]}function j(a){var b,c="";for(b=0;b<32*a.length;b+=8)c+=String.fromCharCode(a[b>>5]>>>b%32&255);return c}function k(a){var b,c=[];for(c[(a.length>>2)-1]=void 0,b=0;b<c.length;b+=1)c[b]=0;for(b=0;b<8*a.length;b+=8)c[b>>5]|=(255&a.charCodeAt(b/8))<<b%32;return c}function l(a){return j(i(k(a),8*a.length))}function m(a,b){var c,d,e=k(a),f=[],g=[];for(f[15]=g[15]=void 0,e.length>16&&(e=i(e,8*a.length)),c=0;16>c;c+=1)f[c]=909522486^e[c],g[c]=1549556828^e[c];return d=i(f.concat(k(b)),512+8*b.length),j(i(g.concat(d),640))}function n(a){var b,c,d="0123456789abcdef",e="";for(c=0;c<a.length;c+=1)b=a.charCodeAt(c),e+=d.charAt(b>>>4&15)+d.charAt(15&b);return e}function o(a){return unescape(encodeURIComponent(a))}function p(a){return l(o(a))}function q(a){return n(p(a))}function r(a,b){return m(o(a),o(b))}function s(a,b){return n(r(a,b))}function t(a,b,c){return b?c?r(b,a):s(b,a):c?p(a):q(a)}"function"==typeof define&&define.amd?define(function(){return t}):a.md5=t}(this);
NWBridge.js（直接引入）
/** * Created by Administrator on 2017/10/17 0017. */var NWBridge = (function (){ var that; var obj = function () { that = this; if (top.require) { that.http = top.require(‘http‘); that.https = top.require(‘https‘); that.mac = top.require("getmac"); that.nodePath = top.require(‘path‘); that.exec = top.require(‘child_process‘).exec; that.spawn = top.require(‘child_process‘).spawn; } }; obj.prototype = { getMac: (callback) => { that.mac && that.mac.getMac(function (err, macAddress) { if (err) throw err; var macCode = md5(macAddress); callback(macCode); }); }, checkAutoUpdaterTwo: (callback) => { if ( !top.require) return; var fs = top.require(‘fs‘); var pathParent = that.nodePath.dirname(process.cwd()); fs.exists(pathParent + ‘\\autoUpdate2.exe‘, (exists) => { if (exists) { var unlinkName = ‘\\autoUpdate.exe‘; fs.exists(pathParent + unlinkName, (flag) => { if (flag) { fs.unlink(pathParent + unlinkName, (err) =>{ if ( err ) console.log(‘ERROR: ‘ + err); fs.rename(pathParent + ‘\\autoUpdate2.exe‘, pathParent + ‘\\autoUpdate.exe‘, (err) =>{ if ( err ) console.log(‘ERROR: ‘ + err); callback && callback(); }); }); } else { callback && callback(); } }); } else { callback && callback(); } }); }, checkUpdate: (callback) => { // 加 "" 是因为 直接执行路径有空格时会抛异常 所以需要加双引号当成一个字符串 that.lsUpdate = that.exec(‘"‘ + that.nodePath.dirname(process.cwd()) + ‘\\autoUpdate.exe‘ + ‘"‘, (error, stdout, stderr) => { console.log(‘stdout: ‘ + stdout); console.log(‘stderr: ‘ + stderr); if (error !== null) { console.log(‘exec error: ‘ + error); } }); that.lsUpdate.stdout.on(‘data‘, (data) => { if (data) { if (eval(data)) { setTimeout( () =>{ var gui = top.require(‘nw.gui‘); gui.Window.get().close(); }, 2000); } else { callback && callback(); } } else { callback && callback(); } });
that.lsUpdate.stderr.on(‘data‘, (data) => { that.lsUpdate.kill(); console.error(‘stderr: ‘ + data); });
that.lsUpdate.on(‘close‘,(code) =>{ that.lsUpdate.kill(); callback && callback(); }); return that.lsUpdate; } }; return new obj();})();
socket.io.js（直接引入）
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.io=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module ‘"+o+"‘")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
module.exports = _dereq_(‘./lib/‘);
},{"./lib/":2}],2:[function(_dereq_,module,exports){
/** * Module dependencies. */
var url = _dereq_(‘./url‘);var parser = _dereq_(‘socket.io-parser‘);var Manager = _dereq_(‘./manager‘);var debug = _dereq_(‘debug‘)(‘socket.io-client‘);
/** * Module exports. */
module.exports = exports = lookup;
/** * Managers cache. */
var cache = exports.managers = {};
/** * Looks up an existing `Manager` for multiplexing. * If the user summons: * * `io(‘http://localhost/a‘);` * `io(‘http://localhost/b‘);` * * We reuse the existing instance based on same scheme/port/host, * and we initialize sockets for each namespace. * * @api public */
function lookup(uri, opts) { if (typeof uri == ‘object‘) { opts = uri; uri = undefined; }
opts = opts || {};
var parsed = url(uri); var source = parsed.source; var id = parsed.id; var io;
if (opts.forceNew || opts[‘force new connection‘] || false === opts.multiplex) { debug(‘ignoring socket cache for %s‘, source); io = Manager(source, opts); } else { if (!cache[id]) { debug(‘new io instance for %s‘, source); cache[id] = Manager(source, opts); } io = cache[id]; }
return io.socket(parsed.path);}
/** * Protocol version. * * @api public */
exports.protocol = parser.protocol;
/** * `connect`. * * @param {String} uri * @api public */
exports.connect = lookup;
/** * Expose constructors for standalone build. * * @api public */
exports.Manager = _dereq_(‘./manager‘);exports.Socket = _dereq_(‘./socket‘);
},{"./manager":3,"./socket":5,"./url":6,"debug":10,"socket.io-parser":44}],3:[function(_dereq_,module,exports){
/** * Module dependencies. */
var url = _dereq_(‘./url‘);var eio = _dereq_(‘engine.io-client‘);var Socket = _dereq_(‘./socket‘);var Emitter = _dereq_(‘component-emitter‘);var parser = _dereq_(‘socket.io-parser‘);var on = _dereq_(‘./on‘);var bind = _dereq_(‘component-bind‘);var object = _dereq_(‘object-component‘);var debug = _dereq_(‘debug‘)(‘socket.io-client:manager‘);var indexOf = _dereq_(‘indexof‘);var Backoff = _dereq_(‘backo2‘);
/** * Module exports */
module.exports = Manager;
/** * `Manager` constructor. * * @param {String} engine instance or engine uri/opts * @param {Object} options * @api public */
function Manager(uri, opts){ if (!(this instanceof Manager)) return new Manager(uri, opts); if (uri && (‘object‘ == typeof uri)) { opts = uri; uri = undefined; } opts = opts || {};
opts.path = opts.path || ‘/socket.io‘; this.nsps = {}; this.subs = []; this.opts = opts; this.reconnection(opts.reconnection !== false); this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); this.reconnectionDelay(opts.reconnectionDelay || 1000); this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); this.randomizationFactor(opts.randomizationFactor || 0.5); this.backoff = new Backoff({ min: this.reconnectionDelay(), max: this.reconnectionDelayMax(), jitter: this.randomizationFactor() }); this.timeout(null == opts.timeout ? 20000 : opts.timeout); this.readyState = ‘closed‘; this.uri = uri; this.connected = []; this.encoding = false; this.packetBuffer = []; this.encoder = new parser.Encoder(); this.decoder = new parser.Decoder(); this.autoConnect = opts.autoConnect !== false; if (this.autoConnect) this.open();}
/** * Propagate given event to sockets and emit on `this` * * @api private */
Manager.prototype.emitAll = function() { this.emit.apply(this, arguments); for (var nsp in this.nsps) { this.nsps[nsp].emit.apply(this.nsps[nsp], arguments); }};
/** * Update `socket.id` of all sockets * * @api private */
Manager.prototype.updateSocketIds = function(){ for (var nsp in this.nsps) { this.nsps[nsp].id = this.engine.id; }};
/** * Mix in `Emitter`. */
Emitter(Manager.prototype);
/** * Sets the `reconnection` config. * * @param {Boolean} true/false if it should automatically reconnect * @return {Manager} self or value * @api public */
Manager.prototype.reconnection = function(v){ if (!arguments.length) return this._reconnection; this._reconnection = !!v; return this;};
/** * Sets the reconnection attempts config. * * @param {Number} max reconnection attempts before giving up * @return {Manager} self or value * @api public */
Manager.prototype.reconnectionAttempts = function(v){ if (!arguments.length) return this._reconnectionAttempts; this._reconnectionAttempts = v; return this;};
/** * Sets the delay between reconnections. * * @param {Number} delay * @return {Manager} self or value * @api public */
Manager.prototype.reconnectionDelay = function(v){ if (!arguments.length) return this._reconnectionDelay; this._reconnectionDelay = v; this.backoff && this.backoff.setMin(v); return this;};
Manager.prototype.randomizationFactor = function(v){ if (!arguments.length) return this._randomizationFactor; this._randomizationFactor = v; this.backoff && this.backoff.setJitter(v); return this;};
/** * Sets the maximum delay between reconnections. * * @param {Number} delay * @return {Manager} self or value * @api public */
Manager.prototype.reconnectionDelayMax = function(v){ if (!arguments.length) return this._reconnectionDelayMax; this._reconnectionDelayMax = v; this.backoff && this.backoff.setMax(v); return this;};
/** * Sets the connection timeout. `false` to disable * * @return {Manager} self or value * @api public */
Manager.prototype.timeout = function(v){ if (!arguments.length) return this._timeout; this._timeout = v; return this;};
/** * Starts trying to reconnect if reconnection is enabled and we have not * started reconnecting yet * * @api private */
Manager.prototype.maybeReconnectOnOpen = function() { // Only try to reconnect if it‘s the first time we‘re connecting if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) { // keeps reconnection from firing twice for the same reconnection loop this.reconnect(); }};
/** * Sets the current transport `socket`. * * @param {Function} optional, callback * @return {Manager} self * @api public */
Manager.prototype.open =Manager.prototype.connect = function(fn){ debug(‘readyState %s‘, this.readyState); if (~this.readyState.indexOf(‘open‘)) return this;
debug(‘opening %s‘, this.uri); this.engine = eio(this.uri, this.opts); var socket = this.engine; var self = this; this.readyState = ‘opening‘; this.skipReconnect = false;
// emit `open` var openSub = on(socket, ‘open‘, function() { self.onopen(); fn && fn(); });
// emit `connect_error` var errorSub = on(socket, ‘error‘, function(data){ debug(‘connect_error‘); self.cleanup(); self.readyState = ‘closed‘; self.emitAll(‘connect_error‘, data); if (fn) { var err = new Error(‘Connection error‘); err.data = data; fn(err); } else { // Only do this if there is no fn to handle the error self.maybeReconnectOnOpen(); } });
// emit `connect_timeout` if (false !== this._timeout) { var timeout = this._timeout; debug(‘connect attempt will timeout after %d‘, timeout);
// set timer var timer = setTimeout(function(){ debug(‘connect attempt timed out after %d‘, timeout); openSub.destroy(); socket.close(); socket.emit(‘error‘, ‘timeout‘); self.emitAll(‘connect_timeout‘, timeout); }, timeout);
this.subs.push({ destroy: function(){ clearTimeout(timer); } }); }
this.subs.push(openSub); this.subs.push(errorSub);
return this;};
/** * Called upon transport open. * * @api private */
Manager.prototype.onopen = function(){ debug(‘open‘);
// clear old subs this.cleanup();
// mark as open this.readyState = ‘open‘; this.emit(‘open‘);
// add new subs var socket = this.engine; this.subs.push(on(socket, ‘data‘, bind(this, ‘ondata‘))); this.subs.push(on(this.decoder, ‘decoded‘, bind(this, ‘ondecoded‘))); this.subs.push(on(socket, ‘error‘, bind(this, ‘onerror‘))); this.subs.push(on(socket, ‘close‘, bind(this, ‘onclose‘)));};
/** * Called with data. * * @api private */
Manager.prototype.ondata = function(data){ this.decoder.add(data);};
/** * Called when parser fully decodes a packet. * * @api private */
Manager.prototype.ondecoded = function(packet) { this.emit(‘packet‘, packet);};
/** * Called upon socket error. * * @api private */
Manager.prototype.onerror = function(err){ debug(‘error‘, err); this.emitAll(‘error‘, err);};
/** * Creates a new socket for the given `nsp`. * * @return {Socket} * @api public */
Manager.prototype.socket = function(nsp){ var socket = this.nsps[nsp]; if (!socket) { socket = new Socket(this, nsp); this.nsps[nsp] = socket; var self = this; socket.on(‘connect‘, function(){ socket.id = self.engine.id; if (!~indexOf(self.connected, socket)) { self.connected.push(socket); } }); } return socket;};
/** * Called upon a socket close. * * @param {Socket} socket */
Manager.prototype.destroy = function(socket){ var index = indexOf(this.connected, socket); if (~index) this.connected.splice(index, 1); if (this.connected.length) return;
this.close();};
/** * Writes a packet. * * @param {Object} packet * @api private */
Manager.prototype.packet = function(packet){ debug(‘writing packet %j‘, packet); var self = this;
if (!self.encoding) { // encode, then write to engine with result self.encoding = true; this.encoder.encode(packet, function(encodedPackets) { for (var i = 0; i < encodedPackets.length; i++) { self.engine.write(encodedPackets[i]); } self.encoding = false; self.processPacketQueue(); }); } else { // add packet to the queue self.packetBuffer.push(packet); }};
/** * If packet buffer is non-empty, begins encoding the * next packet in line. * * @api private */
Manager.prototype.processPacketQueue = function() { if (this.packetBuffer.length > 0 && !this.encoding) { var pack = this.packetBuffer.shift(); this.packet(pack); }};
/** * Clean up transport subscriptions and packet buffer. * * @api private */
Manager.prototype.cleanup = function(){ var sub; while (sub = this.subs.shift()) sub.destroy();
this.packetBuffer = []; this.encoding = false;
this.decoder.destroy();};
/** * Close the current socket. * * @api private */
Manager.prototype.close =Manager.prototype.disconnect = function(){ this.skipReconnect = true; this.backoff.reset(); this.readyState = ‘closed‘; this.engine && this.engine.close();};
/** * Called upon engine close. * * @api private */
Manager.prototype.onclose = function(reason){ debug(‘close‘); this.cleanup(); this.backoff.reset(); this.readyState = ‘closed‘; this.emit(‘close‘, reason); if (this._reconnection && !this.skipReconnect) { this.reconnect(); }};
/** * Attempt a reconnection. * * @api private */
Manager.prototype.reconnect = function(){ if (this.reconnecting || this.skipReconnect) return this;
var self = this;
if (this.backoff.attempts >= this._reconnectionAttempts) { debug(‘reconnect failed‘); this.backoff.reset(); this.emitAll(‘reconnect_failed‘); this.reconnecting = false; } else { var delay = this.backoff.duration(); debug(‘will wait %dms before reconnect attempt‘, delay);
this.reconnecting = true; var timer = setTimeout(function(){ if (self.skipReconnect) return;
debug(‘attempting reconnect‘); self.emitAll(‘reconnect_attempt‘, self.backoff.attempts); self.emitAll(‘reconnecting‘, self.backoff.attempts);
// check again for the case socket closed in above events if (self.skipReconnect) return;
self.open(function(err){ if (err) { debug(‘reconnect attempt error‘); self.reconnecting = false; self.reconnect(); self.emitAll(‘reconnect_error‘, err.data); } else { debug(‘reconnect success‘); self.onreconnect(); } }); }, delay);
this.subs.push({ destroy: function(){ clearTimeout(timer); } }); }};
/** * Called upon successful reconnect. * * @api private */
Manager.prototype.onreconnect = function(){ var attempt = this.backoff.attempts; this.reconnecting = false; this.backoff.reset(); this.updateSocketIds(); this.emitAll(‘reconnect‘, attempt);};
},{"./on":4,"./socket":5,"./url":6,"backo2":7,"component-bind":8,"component-emitter":9,"debug":10,"engine.io-client":11,"indexof":40,"object-component":41,"socket.io-parser":44}],4:[function(_dereq_,module,exports){
/** * Module exports. */
module.exports = on;
/** * Helper for subscriptions. * * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter` * @param {String} event name * @param {Function} callback * @api public */
function on(obj, ev, fn) { obj.on(ev, fn); return { destroy: function(){ obj.removeListener(ev, fn); } };}
},{}],5:[function(_dereq_,module,exports){
/** * Module dependencies. */
var parser = _dereq_(‘socket.io-parser‘);var Emitter = _dereq_(‘component-emitter‘);var toArray = _dereq_(‘to-array‘);var on = _dereq_(‘./on‘);var bind = _dereq_(‘component-bind‘);var debug = _dereq_(‘debug‘)(‘socket.io-client:socket‘);var hasBin = _dereq_(‘has-binary‘);
/** * Module exports. */
module.exports = exports = Socket;
/** * Internal events (blacklisted). * These events can‘t be emitted by the user. * * @api private */
var events = { connect: 1, connect_error: 1, connect_timeout: 1, disconnect: 1, error: 1, reconnect: 1, reconnect_attempt: 1, reconnect_failed: 1, reconnect_error: 1, reconnecting: 1};
/** * Shortcut to `Emitter#emit`. */
var emit = Emitter.prototype.emit;
/** * `Socket` constructor. * * @api public */
function Socket(io, nsp){ this.io = io; this.nsp = nsp; this.json = this; // compat this.ids = 0; this.acks = {}; if (this.io.autoConnect) this.open(); this.receiveBuffer = []; this.sendBuffer = []; this.connected = false; this.disconnected = true;}
/** * Mix in `Emitter`. */
Emitter(Socket.prototype);
/** * Subscribe to open, close and packet events * * @api private */
Socket.prototype.subEvents = function() { if (this.subs) return;
var io = this.io; this.subs = [ on(io, ‘open‘, bind(this, ‘onopen‘)), on(io, ‘packet‘, bind(this, ‘onpacket‘)), on(io, ‘close‘, bind(this, ‘onclose‘)) ];};
/** * "Opens" the socket. * * @api public */
Socket.prototype.open =Socket.prototype.connect = function(){ if (this.connected) return this;
this.subEvents(); this.io.open(); // ensure open if (‘open‘ == this.io.readyState) this.onopen(); return this;};
/** * Sends a `message` event. * * @return {Socket} self * @api public */
Socket.prototype.send = function(){ var args = toArray(arguments); args.unshift(‘message‘); this.emit.apply(this, args); return this;};
/** * Override `emit`. * If the event is in `events`, it‘s emitted normally. * * @param {String} event name * @return {Socket} self * @api public */
Socket.prototype.emit = function(ev){ if (events.hasOwnProperty(ev)) { emit.apply(this, arguments); return this; }
var args = toArray(arguments); var parserType = parser.EVENT; // default if (hasBin(args)) { parserType = parser.BINARY_EVENT; } // binary var packet = { type: parserType, data: args };
// event ack callback if (‘function‘ == typeof args[args.length - 1]) { debug(‘emitting packet with ack id %d‘, this.ids); this.acks[this.ids] = args.pop(); packet.id = this.ids++; }
if (this.connected) { this.packet(packet); } else { this.sendBuffer.push(packet); }
return this;};
/** * Sends a packet. * * @param {Object} packet * @api private */
Socket.prototype.packet = function(packet){ packet.nsp = this.nsp; this.io.packet(packet);};
/** * Called upon engine `open`. * * @api private */
Socket.prototype.onopen = function(){ debug(‘transport is open - connecting‘);
// write connect packet if necessary if (‘/‘ != this.nsp) { this.packet({ type: parser.CONNECT }); }};
/** * Called upon engine `close`. * * @param {String} reason * @api private */
Socket.prototype.onclose = function(reason){ debug(‘close (%s)‘, reason); this.connected = false; this.disconnected = true; delete this.id; this.emit(‘disconnect‘, reason);};
/** * Called with socket packet. * * @param {Object} packet * @api private */
Socket.prototype.onpacket = function(packet){ if (packet.nsp != this.nsp) return;
switch (packet.type) { case parser.CONNECT: this.onconnect(); break;
case parser.EVENT: this.onevent(packet); break;
case parser.BINARY_EVENT: this.onevent(packet); break;
case parser.ACK: this.onack(packet); break;
case parser.BINARY_ACK: this.onack(packet); break;
case parser.DISCONNECT: this.ondisconnect(); break;
case parser.ERROR: this.emit(‘error‘, packet.data); break; }};
/** * Called upon a server event. * * @param {Object} packet * @api private */
Socket.prototype.onevent = function(packet){ var args = packet.data || []; debug(‘emitting event %j‘, args);
if (null != packet.id) { debug(‘attaching ack callback to event‘); args.push(this.ack(packet.id)); }
if (this.connected) { emit.apply(this, args); } else { this.receiveBuffer.push(args); }};
/** * Produces an ack callback to emit with an event. * * @api private */
Socket.prototype.ack = function(id){ var self = this; var sent = false; return function(){ // prevent double callbacks if (sent) return; sent = true; var args = toArray(arguments); debug(‘sending ack %j‘, args);
var type = hasBin(args) ? parser.BINARY_ACK : parser.ACK; self.packet({ type: type, id: id, data: args }); };};
/** * Called upon a server acknowlegement. * * @param {Object} packet * @api private */
Socket.prototype.onack = function(packet){ debug(‘calling ack %s with %j‘, packet.id, packet.data); var fn = this.acks[packet.id]; fn.apply(this, packet.data); delete this.acks[packet.id];};
/** * Called upon server connect. * * @api private */
Socket.prototype.onconnect = function(){ this.connected = true; this.disconnected = false; this.emit(‘connect‘); this.emitBuffered();};
/** * Emit buffered events (received and emitted). * * @api private */
Socket.prototype.emitBuffered = function(){ var i; for (i = 0; i < this.receiveBuffer.length; i++) { emit.apply(this, this.receiveBuffer[i]); } this.receiveBuffer = [];
for (i = 0; i < this.sendBuffer.length; i++) { this.packet(this.sendBuffer[i]); } this.sendBuffer = [];};
/** * Called upon server disconnect. * * @api private */
Socket.prototype.ondisconnect = function(){ debug(‘server disconnect (%s)‘, this.nsp); this.destroy(); this.onclose(‘io server disconnect‘);};
/** * Called upon forced client/server side disconnections, * this method ensures the manager stops tracking us and * that reconnections don‘t get triggered for this. * * @api private. */
Socket.prototype.destroy = function(){ if (this.subs) { // clean subscriptions to avoid reconnections for (var i = 0; i < this.subs.length; i++) { this.subs[i].destroy(); } this.subs = null; }
this.io.destroy(this);};
/** * Disconnects the socket manually. * * @return {Socket} self * @api public */
Socket.prototype.close =Socket.prototype.disconnect = function(){ if (this.connected) { debug(‘performing disconnect (%s)‘, this.nsp); this.packet({ type: parser.DISCONNECT }); }
// remove socket from pool this.destroy();
if (this.connected) { // fire events this.onclose(‘io client disconnect‘); } return this;};
},{"./on":4,"component-bind":8,"component-emitter":9,"debug":10,"has-binary":36,"socket.io-parser":44,"to-array":48}],6:[function(_dereq_,module,exports){(function (global){
/** * Module dependencies. */
var parseuri = _dereq_(‘parseuri‘);var debug = _dereq_(‘debug‘)(‘socket.io-client:url‘);
/** * Module exports. */
module.exports = url;
/** * URL parser. * * @param {String} url * @param {Object} An object meant to mimic window.location. * Defaults to window.location. * @api public */
function url(uri, loc){ var obj = uri;
// default to window.location var loc = loc || global.location; if (null == uri) uri = loc.protocol + ‘//‘ + loc.host;
// relative path support if (‘string‘ == typeof uri) { if (‘/‘ == uri.charAt(0)) { if (‘/‘ == uri.charAt(1)) { uri = loc.protocol + uri; } else { uri = loc.hostname + uri; } }
if (!/^(https?|wss?):\/\//.test(uri)) { debug(‘protocol-less url %s‘, uri); if (‘undefined‘ != typeof loc) { uri = loc.protocol + ‘//‘ + uri; } else { uri = ‘https://‘ + uri; } }
// parse debug(‘parse %s‘, uri); obj = parseuri(uri); }
// make sure we treat `localhost:80` and `localhost` equally if (!obj.port) { if (/^(http|ws)$/.test(obj.protocol)) { obj.port = ‘80‘; } else if (/^(http|ws)s$/.test(obj.protocol)) { obj.port = ‘443‘; } }
obj.path = obj.path || ‘/‘;
// define unique id obj.id = obj.protocol + ‘://‘ + obj.host + ‘:‘ + obj.port; // define href obj.href = obj.protocol + ‘://‘ + obj.host + (loc && loc.port == obj.port ? ‘‘ : (‘:‘ + obj.port));
return obj;}
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{"debug":10,"parseuri":42}],7:[function(_dereq_,module,exports){
/** * Expose `Backoff`. */
module.exports = Backoff;
/** * Initialize backoff timer with `opts`. * * - `min` initial timeout in milliseconds [100] * - `max` max timeout [10000] * - `jitter` [0] * - `factor` [2] * * @param {Object} opts * @api public */
function Backoff(opts) { opts = opts || {}; this.ms = opts.min || 100; this.max = opts.max || 10000; this.factor = opts.factor || 2; this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; this.attempts = 0;}
/** * Return the backoff duration. * * @return {Number} * @api public */
Backoff.prototype.duration = function(){ var ms = this.ms * Math.pow(this.factor, this.attempts++); if (this.jitter) { var rand = Math.random(); var deviation = Math.floor(rand * this.jitter * ms); ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; } return Math.min(ms, this.max) | 0;};
/** * Reset the number of attempts. * * @api public */
Backoff.prototype.reset = function(){ this.attempts = 0;};
/** * Set the minimum duration * * @api public */
Backoff.prototype.setMin = function(min){ this.ms = min;};
/** * Set the maximum duration * * @api public */
Backoff.prototype.setMax = function(max){ this.max = max;};
/** * Set the jitter * * @api public */
Backoff.prototype.setJitter = function(jitter){ this.jitter = jitter;};
},{}],8:[function(_dereq_,module,exports){/** * Slice reference. */
var slice = [].slice;
/** * Bind `obj` to `fn`. * * @param {Object} obj * @param {Function|String} fn or string * @return {Function} * @api public */
module.exports = function(obj, fn){ if (‘string‘ == typeof fn) fn = obj[fn]; if (‘function‘ != typeof fn) throw new Error(‘bind() requires a function‘); var args = slice.call(arguments, 2); return function(){ return fn.apply(obj, args.concat(slice.call(arguments))); }};
},{}],9:[function(_dereq_,module,exports){
/** * Expose `Emitter`. */
module.exports = Emitter;
/** * Initialize a new `Emitter`. * * @api public */
function Emitter(obj) { if (obj) return mixin(obj);};
/** * Mixin the emitter properties. * * @param {Object} obj * @return {Object} * @api private */
function mixin(obj) { for (var key in Emitter.prototype) { obj[key] = Emitter.prototype[key]; } return obj;}
/** * Listen on the given `event` with `fn`. * * @param {String} event * @param {Function} fn * @return {Emitter} * @api public */
Emitter.prototype.on =Emitter.prototype.addEventListener = function(event, fn){ this._callbacks = this._callbacks || {}; (this._callbacks[event] = this._callbacks[event] || []) .push(fn); return this;};
/** * Adds an `event` listener that will be invoked a single * time then automatically removed. * * @param {String} event * @param {Function} fn * @return {Emitter} * @api public */
Emitter.prototype.once = function(event, fn){ var self = this; this._callbacks = this._callbacks || {};
function on() { self.off(event, on); fn.apply(this, arguments); }
on.fn = fn; this.on(event, on); return this;};
/** * Remove the given callback for `event` or all * registered callbacks. * * @param {String} event * @param {Function} fn * @return {Emitter} * @api public */
Emitter.prototype.off =Emitter.prototype.removeListener =Emitter.prototype.removeAllListeners =Emitter.prototype.removeEventListener = function(event, fn){ this._callbacks = this._callbacks || {};
// all if (0 == arguments.length) { this._callbacks = {}; return this; }
// specific event var callbacks = this._callbacks[event]; if (!callbacks) return this;
// remove all handlers if (1 == arguments.length) { delete this._callbacks[event]; return this; }
// remove specific handler var cb; for (var i = 0; i < callbacks.length; i++) { cb = callbacks[i]; if (cb === fn || cb.fn === fn) { callbacks.splice(i, 1); break; } } return this;};
/** * Emit `event` with the given args. * * @param {String} event * @param {Mixed} ... * @return {Emitter} */
Emitter.prototype.emit = function(event){ this._callbacks = this._callbacks || {}; var args = [].slice.call(arguments, 1) , callbacks = this._callbacks[event];
if (callbacks) { callbacks = callbacks.slice(0); for (var i = 0, len = callbacks.length; i < len; ++i) { callbacks[i].apply(this, args); } }
return this;};
/** * Return array of callbacks for `event`. * * @param {String} event * @return {Array} * @api public */
Emitter.prototype.listeners = function(event){ this._callbacks = this._callbacks || {}; return this._callbacks[event] || [];};
/** * Check if this emitter has `event` handlers. * * @param {String} event * @return {Boolean} * @api public */
Emitter.prototype.hasListeners = function(event){ return !! this.listeners(event).length;};
},{}],10:[function(_dereq_,module,exports){
/** * Expose `debug()` as the module. */
module.exports = debug;
/** * Create a debugger with the given `name`. * * @param {String} name * @return {Type} * @api public */
function debug(name) { if (!debug.enabled(name)) return function(){};
return function(fmt){ fmt = coerce(fmt);
var curr = new Date; var ms = curr - (debug[name] || curr); debug[name] = curr;
fmt = name + ‘ ‘ + fmt + ‘ +‘ + debug.humanize(ms);
// This hackery is required for IE8 // where `console.log` doesn‘t have ‘apply‘ window.console && console.log && Function.prototype.apply.call(console.log, console, arguments); }}
/** * The currently active debug mode names. */
debug.names = [];debug.skips = [];
/** * Enables a debug mode by name. This can include modes * separated by a colon and wildcards. * * @param {String} name * @api public */
debug.enable = function(name) { try { localStorage.debug = name; } catch(e){}
var split = (name || ‘‘).split(/[\s,]+/) , len = split.length;
for (var i = 0; i < len; i++) { name = split[i].replace(‘*‘, ‘.*?‘); if (name[0] === ‘-‘) { debug.skips.push(new RegExp(‘^‘ + name.substr(1) + ‘$‘)); } else { debug.names.push(new RegExp(‘^‘ + name + ‘$‘)); } }};
/** * Disable debug output. * * @api public */
debug.disable = function(){ debug.enable(‘‘);};
/** * Humanize the given `ms`. * * @param {Number} m * @return {String} * @api private */
debug.humanize = function(ms) { var sec = 1000 , min = 60 * 1000 , hour = 60 * min;
if (ms >= hour) return (ms / hour).toFixed(1) + ‘h‘; if (ms >= min) return (ms / min).toFixed(1) + ‘m‘; if (ms >= sec) return (ms / sec | 0) + ‘s‘; return ms + ‘ms‘;};
/** * Returns true if the given mode name is enabled, false otherwise. * * @param {String} name * @return {Boolean} * @api public */
debug.enabled = function(name) { for (var i = 0, len = debug.skips.length; i < len; i++) { if (debug.skips[i].test(name)) { return false; } } for (var i = 0, len = debug.names.length; i < len; i++) { if (debug.names[i].test(name)) { return true; } } return false;};
/** * Coerce `val`. */
function coerce(val) { if (val instanceof Error) return val.stack || val.message; return val;}
// persist
try { if (window.localStorage) debug.enable(localStorage.debug);} catch(e){}
},{}],11:[function(_dereq_,module,exports){
module.exports = _dereq_(‘./lib/‘);
},{"./lib/":12}],12:[function(_dereq_,module,exports){
module.exports = _dereq_(‘./socket‘);
/** * Exports parser * * @api public * */module.exports.parser = _dereq_(‘engine.io-parser‘);
},{"./socket":13,"engine.io-parser":25}],13:[function(_dereq_,module,exports){(function (global){/** * Module dependencies. */
var transports = _dereq_(‘./transports‘);var Emitter = _dereq_(‘component-emitter‘);var debug = _dereq_(‘debug‘)(‘engine.io-client:socket‘);var index = _dereq_(‘indexof‘);var parser = _dereq_(‘engine.io-parser‘);var parseuri = _dereq_(‘parseuri‘);var parsejson = _dereq_(‘parsejson‘);var parseqs = _dereq_(‘parseqs‘);
/** * Module exports. */
module.exports = Socket;
/** * Noop function. * * @api private */
function noop(){}
/** * Socket constructor. * * @param {String|Object} uri or options * @param {Object} options * @api public */
function Socket(uri, opts){ if (!(this instanceof Socket)) return new Socket(uri, opts);
opts = opts || {};
if (uri && ‘object‘ == typeof uri) { opts = uri; uri = null; }
if (uri) { uri = parseuri(uri); opts.host = uri.host; opts.secure = uri.protocol == ‘https‘ || uri.protocol == ‘wss‘; opts.port = uri.port; if (uri.query) opts.query = uri.query; }
this.secure = null != opts.secure ? opts.secure : (global.location && ‘https:‘ == location.protocol);
if (opts.host) { var pieces = opts.host.split(‘:‘); opts.hostname = pieces.shift(); if (pieces.length) { opts.port = pieces.pop(); } else if (!opts.port) { // if no port is specified manually, use the protocol default opts.port = this.secure ? ‘443‘ : ‘80‘; } }
this.agent = opts.agent || false; this.hostname = opts.hostname || (global.location ? location.hostname : ‘localhost‘); this.port = opts.port || (global.location && location.port ? location.port : (this.secure ? 443 : 80)); this.query = opts.query || {}; if (‘string‘ == typeof this.query) this.query = parseqs.decode(this.query); this.upgrade = false !== opts.upgrade; this.path = (opts.path || ‘/engine.io‘).replace(/\/$/, ‘‘) + ‘/‘; this.forceJSONP = !!opts.forceJSONP; this.jsonp = false !== opts.jsonp; this.forceBase64 = !!opts.forceBase64; this.enablesXDR = !!opts.enablesXDR; this.timestampParam = opts.timestampParam || ‘t‘; this.timestampRequests = opts.timestampRequests; this.transports = opts.transports || [‘polling‘, ‘websocket‘]; this.readyState = ‘‘; this.writeBuffer = []; this.callbackBuffer = []; this.policyPort = opts.policyPort || 843; this.rememberUpgrade = opts.rememberUpgrade || false; this.binaryType = null; this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
// SSL options for Node.js client this.pfx = opts.pfx || null; this.key = opts.key || null; this.passphrase = opts.passphrase || null; this.cert = opts.cert || null; this.ca = opts.ca || null; this.ciphers = opts.ciphers || null; this.rejectUnauthorized = opts.rejectUnauthorized || null;
this.open();}
Socket.priorWebsocketSuccess = false;
/** * Mix in `Emitter`. */
Emitter(Socket.prototype);
/** * Protocol version. * * @api public */
Socket.protocol = parser.protocol; // this is an int
/** * Expose deps for legacy compatibility * and standalone browser access. */
Socket.Socket = Socket;Socket.Transport = _dereq_(‘./transport‘);Socket.transports = _dereq_(‘./transports‘);Socket.parser = _dereq_(‘engine.io-parser‘);
/** * Creates transport of the given type. * * @param {String} transport name * @return {Transport} * @api private */
Socket.prototype.createTransport = function (name) { debug(‘creating transport "%s"‘, name); var query = clone(this.query);
// append engine.io protocol identifier query.EIO = parser.protocol;
// transport name query.transport = name;
// session id if we already have one if (this.id) query.sid = this.id;
var transport = new transports[name]({ agent: this.agent, hostname: this.hostname, port: this.port, secure: this.secure, path: this.path, query: query, forceJSONP: this.forceJSONP, jsonp: this.jsonp, forceBase64: this.forceBase64, enablesXDR: this.enablesXDR, timestampRequests: this.timestampRequests, timestampParam: this.timestampParam, policyPort: this.policyPort, socket: this, pfx: this.pfx, key: this.key, passphrase: this.passphrase, cert: this.cert, ca: this.ca, ciphers: this.ciphers, rejectUnauthorized: this.rejectUnauthorized });
return transport;};
function clone (obj) { var o = {}; for (var i in obj) { if (obj.hasOwnProperty(i)) { o[i] = obj[i]; } } return o;}
/** * Initializes transport to use and starts probe. * * @api private */Socket.prototype.open = function () { var transport; if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf(‘websocket‘) != -1) { transport = ‘websocket‘; } else if (0 == this.transports.length) { // Emit error on next tick so it can be listened to var self = this; setTimeout(function() { self.emit(‘error‘, ‘No transports available‘); }, 0); return; } else { transport = this.transports[0]; } this.readyState = ‘opening‘;
// Retry with the next transport if the transport is disabled (jsonp: false) var transport; try { transport = this.createTransport(transport); } catch (e) { this.transports.shift(); this.open(); return; }
transport.open(); this.setTransport(transport);};
/** * Sets the current transport. Disables the existing one (if any). * * @api private */
Socket.prototype.setTransport = function(transport){ debug(‘setting transport %s‘, transport.name); var self = this;
if (this.transport) { debug(‘clearing existing transport %s‘, this.transport.name); this.transport.removeAllListeners(); }
// set up transport this.transport = transport;
// set up transport listeners transport .on(‘drain‘, function(){ self.onDrain(); }) .on(‘packet‘, function(packet){ self.onPacket(packet); }) .on(‘error‘, function(e){ self.onError(e); }) .on(‘close‘, function(){ self.onClose(‘transport close‘); });};
/** * Probes a transport. * * @param {String} transport name * @api private */
Socket.prototype.probe = function (name) { debug(‘probing transport "%s"‘, name); var transport = this.createTransport(name, { probe: 1 }) , failed = false , self = this;
Socket.priorWebsocketSuccess = false;
function onTransportOpen(){ if (self.onlyBinaryUpgrades) { var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary; failed = failed || upgradeLosesBinary; } if (failed) return;
debug(‘probe transport "%s" opened‘, name); transport.send([{ type: ‘ping‘, data: ‘probe‘ }]); transport.once(‘packet‘, function (msg) { if (failed) return; if (‘pong‘ == msg.type && ‘probe‘ == msg.data) { debug(‘probe transport "%s" pong‘, name); self.upgrading = true; self.emit(‘upgrading‘, transport); if (!transport) return; Socket.priorWebsocketSuccess = ‘websocket‘ == transport.name;
debug(‘pausing current transport "%s"‘, self.transport.name); self.transport.pause(function () { if (failed) return; if (‘closed‘ == self.readyState) return; debug(‘changing transport and sending upgrade packet‘);
cleanup();
self.setTransport(transport); transport.send([{ type: ‘upgrade‘ }]); self.emit(‘upgrade‘, transport); transport = null; self.upgrading = false; self.flush(); }); } else { debug(‘probe transport "%s" failed‘, name); var err = new Error(‘probe error‘); err.transport = transport.name; self.emit(‘upgradeError‘, err); } }); }
function freezeTransport() { if (failed) return;
// Any callback called by transport should be ignored since now failed = true;
cleanup();
transport.close(); transport = null; }
//Handle any error that happens while probing function onerror(err) { var error = new Error(‘probe error: ‘ + err); error.transport = transport.name;
freezeTransport();
debug(‘probe transport "%s" failed because of error: %s‘, name, err);
self.emit(‘upgradeError‘, error); }
function onTransportClose(){ onerror("transport closed"); }
//When the socket is closed while we‘re probing function onclose(){ onerror("socket closed"); }
//When the socket is upgraded while we‘re probing function onupgrade(to){ if (transport && to.name != transport.name) { debug(‘"%s" works - aborting "%s"‘, to.name, transport.name); freezeTransport(); } }
//Remove all listeners on the transport and on self function cleanup(){ transport.removeListener(‘open‘, onTransportOpen); transport.removeListener(‘error‘, onerror); transport.removeListener(‘close‘, onTransportClose); self.removeListener(‘close‘, onclose); self.removeListener(‘upgrading‘, onupgrade); }
transport.once(‘open‘, onTransportOpen); transport.once(‘error‘, onerror); transport.once(‘close‘, onTransportClose);
this.once(‘close‘, onclose); this.once(‘upgrading‘, onupgrade);
transport.open();
};
/** * Called when connection is deemed open. * * @api public */
Socket.prototype.onOpen = function () { debug(‘socket open‘); this.readyState = ‘open‘; Socket.priorWebsocketSuccess = ‘websocket‘ == this.transport.name; this.emit(‘open‘); this.flush();
// we check for `readyState` in case an `open` // listener already closed the socket if (‘open‘ == this.readyState && this.upgrade && this.transport.pause) { debug(‘starting upgrade probes‘); for (var i = 0, l = this.upgrades.length; i < l; i++) { this.probe(this.upgrades[i]); } }};
/** * Handles a packet. * * @api private */
Socket.prototype.onPacket = function (packet) { if (‘opening‘ == this.readyState || ‘open‘ == this.readyState) { debug(‘socket receive: type "%s", data "%s"‘, packet.type, packet.data);
this.emit(‘packet‘, packet);
// Socket is live - any packet counts this.emit(‘heartbeat‘);
switch (packet.type) { case ‘open‘: this.onHandshake(parsejson(packet.data)); break;
case ‘pong‘: this.setPing(); break;
case ‘error‘: var err = new Error(‘server error‘); err.code = packet.data; this.emit(‘error‘, err); break;
case ‘message‘: this.emit(‘data‘, packet.data); this.emit(‘message‘, packet.data); break; } } else { debug(‘packet received with socket readyState "%s"‘, this.readyState); }};
/** * Called upon handshake completion. * * @param {Object} handshake obj * @api private */
Socket.prototype.onHandshake = function (data) { this.emit(‘handshake‘, data); this.id = data.sid; this.transport.query.sid = data.sid; this.upgrades = this.filterUpgrades(data.upgrades); this.pingInterval = data.pingInterval; this.pingTimeout = data.pingTimeout; this.onOpen(); // In case open handler closes socket if (‘closed‘ == this.readyState) return; this.setPing();
// Prolong liveness of socket on heartbeat this.removeListener(‘heartbeat‘, this.onHeartbeat); this.on(‘heartbeat‘, this.onHeartbeat);};
/** * Resets ping timeout. * * @api private */
Socket.prototype.onHeartbeat = function (timeout) { clearTimeout(this.pingTimeoutTimer); var self = this; self.pingTimeoutTimer = setTimeout(function () { if (‘closed‘ == self.readyState) return; self.onClose(‘ping timeout‘); }, timeout || (self.pingInterval + self.pingTimeout));};
/** * Pings server every `this.pingInterval` and expects response * within `this.pingTimeout` or closes connection. * * @api private */
Socket.prototype.setPing = function () { var self = this; clearTimeout(self.pingIntervalTimer); self.pingIntervalTimer = setTimeout(function () { debug(‘writing ping packet - expecting pong within %sms‘, self.pingTimeout); self.ping(); self.onHeartbeat(self.pingTimeout); }, self.pingInterval);};
/*** Sends a ping packet.** @api public*/
Socket.prototype.ping = function () { this.sendPacket(‘ping‘);};
/** * Called on `drain` event * * @api private */
Socket.prototype.onDrain = function() { for (var i = 0; i < this.prevBufferLen; i++) { if (this.callbackBuffer[i]) { this.callbackBuffer[i](); } }
this.writeBuffer.splice(0, this.prevBufferLen); this.callbackBuffer.splice(0, this.prevBufferLen);
// setting prevBufferLen = 0 is very important // for example, when upgrading, upgrade packet is sent over, // and a nonzero prevBufferLen could cause problems on `drain` this.prevBufferLen = 0;
if (this.writeBuffer.length == 0) { this.emit(‘drain‘); } else { this.flush(); }};
/** * Flush write buffers. * * @api private */
Socket.prototype.flush = function () { if (‘closed‘ != this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { debug(‘flushing %d packets in socket‘, this.writeBuffer.length); this.transport.send(this.writeBuffer); // keep track of current length of writeBuffer // splice writeBuffer and callbackBuffer on `drain` this.prevBufferLen = this.writeBuffer.length; this.emit(‘flush‘); }};
/** * Sends a message. * * @param {String} message. * @param {Function} callback function. * @return {Socket} for chaining. * @api public */
Socket.prototype.write =Socket.prototype.send = function (msg, fn) { this.sendPacket(‘message‘, msg, fn); return this;};
/** * Sends a packet. * * @param {String} packet type. * @param {String} data. * @param {Function} callback function. * @api private */
Socket.prototype.sendPacket = function (type, data, fn) { if (‘closing‘ == this.readyState || ‘closed‘ == this.readyState) { return; }
var packet = { type: type, data: data }; this.emit(‘packetCreate‘, packet); this.writeBuffer.push(packet); this.callbackBuffer.push(fn); this.flush();};
/** * Closes the connection. * * @api private */
Socket.prototype.close = function () { if (‘opening‘ == this.readyState || ‘open‘ == this.readyState) { this.readyState = ‘closing‘;
var self = this;
function close() { self.onClose(‘forced close‘); debug(‘socket closing - telling transport to close‘); self.transport.close(); }
function cleanupAndClose() { self.removeListener(‘upgrade‘, cleanupAndClose); self.removeListener(‘upgradeError‘, cleanupAndClose); close(); }
function waitForUpgrade() { // wait for upgrade to finish since we can‘t send packets while pausing a transport self.once(‘upgrade‘, cleanupAndClose); self.once(‘upgradeError‘, cleanupAndClose); }
if (this.writeBuffer.length) { this.once(‘drain‘, function() { if (this.upgrading) { waitForUpgrade(); } else { close(); } }); } else if (this.upgrading) { waitForUpgrade(); } else { close(); } }
return this;};
/** * Called upon transport error * * @api private */
Socket.prototype.onError = function (err) { debug(‘socket error %j‘, err); Socket.priorWebsocketSuccess = false; this.emit(‘error‘, err); this.onClose(‘transport error‘, err);};
/** * Called upon transport close. * * @api private */
Socket.prototype.onClose = function (reason, desc) { if (‘opening‘ == this.readyState || ‘open‘ == this.readyState || ‘closing‘ == this.readyState) { debug(‘socket close with reason: "%s"‘, reason); var self = this;
// clear timers clearTimeout(this.pingIntervalTimer); clearTimeout(this.pingTimeoutTimer);
// clean buffers in next tick, so developers can still // grab the buffers on `close` event setTimeout(function() { self.writeBuffer = []; self.callbackBuffer = []; self.prevBufferLen = 0; }, 0);
// stop event from firing again for transport this.transport.removeAllListeners(‘close‘);
// ensure transport won‘t stay open this.transport.close();
// ignore further transport communication this.transport.removeAllListeners();
// set ready state this.readyState = ‘closed‘;
// clear session id this.id = null;
// emit close event this.emit(‘close‘, reason, desc); }};
/** * Filters upgrades, returning only those matching client transports. * * @param {Array} server upgrades * @api private * */
Socket.prototype.filterUpgrades = function (upgrades) { var filteredUpgrades = []; for (var i = 0, j = upgrades.length; i<j; i++) { if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]); } return filteredUpgrades;};
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{"./transport":14,"./transports":15,"component-emitter":9,"debug":22,"engine.io-parser":25,"indexof":40,"parsejson":32,"parseqs":33,"parseuri":34}],14:[function(_dereq_,module,exports){/** * Module dependencies. */
var parser = _dereq_(‘engine.io-parser‘);var Emitter = _dereq_(‘component-emitter‘);
/** * Module exports. */
module.exports = Transport;
/** * Transport abstract constructor. * * @param {Object} options. * @api private */
function Transport (opts) { this.path = opts.path; this.hostname = opts.hostname; this.port = opts.port; this.secure = opts.secure; this.query = opts.query; this.timestampParam = opts.timestampParam; this.timestampRequests = opts.timestampRequests; this.readyState = ‘‘; this.agent = opts.agent || false; this.socket = opts.socket; this.enablesXDR = opts.enablesXDR;
// SSL options for Node.js client this.pfx = opts.pfx; this.key = opts.key; this.passphrase = opts.passphrase; this.cert = opts.cert; this.ca = opts.ca; this.ciphers = opts.ciphers; this.rejectUnauthorized = opts.rejectUnauthorized;}
/** * Mix in `Emitter`. */
Emitter(Transport.prototype);
/** * A counter used to prevent collisions in the timestamps used * for cache busting. */
Transport.timestamps = 0;
/** * Emits an error. * * @param {String} str * @return {Transport} for chaining * @api public */
Transport.prototype.onError = function (msg, desc) { var err = new Error(msg); err.type = ‘TransportError‘; err.description = desc; this.emit(‘error‘, err); return this;};
/** * Opens the transport. * * @api public */
Transport.prototype.open = function () { if (‘closed‘ == this.readyState || ‘‘ == this.readyState) { this.readyState = ‘opening‘; this.doOpen(); }
return this;};
/** * Closes the transport. * * @api private */
Transport.prototype.close = function () { if (‘opening‘ == this.readyState || ‘open‘ == this.readyState) { this.doClose(); this.onClose(); }
return this;};
/** * Sends multiple packets. * * @param {Array} packets * @api private */
Transport.prototype.send = function(packets){ if (‘open‘ == this.readyState) { this.write(packets); } else { throw new Error(‘Transport not open‘); }};
/** * Called upon open * * @api private */
Transport.prototype.onOpen = function () { this.readyState = ‘open‘; this.writable = true; this.emit(‘open‘);};
/** * Called with data. * * @param {String} data * @api private */
Transport.prototype.onData = function(data){ var packet = parser.decodePacket(data, this.socket.binaryType); this.onPacket(packet);};
/** * Called with a decoded packet. */
Transport.prototype.onPacket = function (packet) { this.emit(‘packet‘, packet);};
/** * Called upon close. * * @api private */
Transport.prototype.onClose = function () { this.readyState = ‘closed‘; this.emit(‘close‘);};
},{"component-emitter":9,"engine.io-parser":25}],15:[function(_dereq_,module,exports){(function (global){/** * Module dependencies */
var XMLHttpRequest = _dereq_(‘xmlhttprequest‘);var XHR = _dereq_(‘./polling-xhr‘);var JSONP = _dereq_(‘./polling-jsonp‘);var websocket = _dereq_(‘./websocket‘);
/** * Export transports. */
exports.polling = polling;exports.websocket = websocket;
/** * Polling transport polymorphic constructor. * Decides on xhr vs jsonp based on feature detection. * * @api private */
function polling(opts){ var xhr; var xd = false; var xs = false; var jsonp = false !== opts.jsonp;
if (global.location) { var isSSL = ‘https:‘ == location.protocol; var port = location.port;
// some user agents have empty `location.port` if (!port) { port = isSSL ? 443 : 80; }
xd = opts.hostname != location.hostname || port != opts.port; xs = opts.secure != isSSL; }
opts.xdomain = xd; opts.xscheme = xs; xhr = new XMLHttpRequest(opts);
if (‘open‘ in xhr && !opts.forceJSONP) { return new XHR(opts); } else { if (!jsonp) throw new Error(‘JSONP disabled‘); return new JSONP(opts); }}
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{"./polling-jsonp":16,"./polling-xhr":17,"./websocket":19,"xmlhttprequest":20}],16:[function(_dereq_,module,exports){(function (global){
/** * Module requirements. */
var Polling = _dereq_(‘./polling‘);var inherit = _dereq_(‘component-inherit‘);
/** * Module exports. */
module.exports = JSONPPolling;
/** * Cached regular expressions. */
var rNewline = /\n/g;var rEscapedNewline = /\\n/g;
/** * Global JSONP callbacks. */
var callbacks;
/** * Callbacks count. */
var index = 0;
/** * Noop. */
function empty () { }
/** * JSONP Polling constructor. * * @param {Object} opts. * @api public */
function JSONPPolling (opts) { Polling.call(this, opts);
this.query = this.query || {};
// define global callbacks array if not present // we do this here (lazily) to avoid unneeded global pollution if (!callbacks) { // we need to consider multiple engines in the same page if (!global.___eio) global.___eio = []; callbacks = global.___eio; }
// callback identifier this.index = callbacks.length;
// add callback to jsonp global var self = this; callbacks.push(function (msg) { self.onData(msg); });
// append to query string this.query.j = this.index;
// prevent spurious errors from being emitted when the window is unloaded if (global.document && global.addEventListener) { global.addEventListener(‘beforeunload‘, function () { if (self.script) self.script.onerror = empty; }, false); }}
/** * Inherits from Polling. */
inherit(JSONPPolling, Polling);
/* * JSONP only supports binary as base64 encoded strings */
JSONPPolling.prototype.supportsBinary = false;
/** * Closes the socket. * * @api private */
JSONPPolling.prototype.doClose = function () { if (this.script) { this.script.parentNode.removeChild(this.script); this.script = null; }
if (this.form) { this.form.parentNode.removeChild(this.form); this.form = null; this.iframe = null; }
Polling.prototype.doClose.call(this);};
/** * Starts a poll cycle. * * @api private */
JSONPPolling.prototype.doPoll = function () { var self = this; var script = document.createElement(‘script‘);
if (this.script) { this.script.parentNode.removeChild(this.script); this.script = null; }
script.async = true; script.src = this.uri(); script.onerror = function(e){ self.onError(‘jsonp poll error‘,e); };
var insertAt = document.getElementsByTagName(‘script‘)[0]; insertAt.parentNode.insertBefore(script, insertAt); this.script = script;
var isUAgecko = ‘undefined‘ != typeof navigator && /gecko/i.test(navigator.userAgent);
if (isUAgecko) { setTimeout(function () { var iframe = document.createElement(‘iframe‘); document.body.appendChild(iframe); document.body.removeChild(iframe); }, 100); }};
/** * Writes with a hidden iframe. * * @param {String} data to send * @param {Function} called upon flush. * @api private */
JSONPPolling.prototype.doWrite = function (data, fn) { var self = this;
if (!this.form) { var form = document.createElement(‘form‘); var area = document.createElement(‘textarea‘); var id = this.iframeId = ‘eio_iframe_‘ + this.index; var iframe;
form.className = ‘socketio‘; form.style.position = ‘absolute‘; form.style.top = ‘-1000px‘; form.style.left = ‘-1000px‘; form.target = id; form.method = ‘POST‘; form.setAttribute(‘accept-charset‘, ‘utf-8‘); area.name = ‘d‘; form.appendChild(area); document.body.appendChild(form);
this.form = form; this.area = area; }
this.form.action = this.uri();
function complete () { initIframe(); fn(); }
function initIframe () { if (self.iframe) { try { self.form.removeChild(self.iframe); } catch (e) { self.onError(‘jsonp polling iframe removal error‘, e); } }
try { // ie6 dynamic iframes with target="" support (thanks Chris Lambacher) var html = ‘<iframe src="javascript:0" name="‘+ self.iframeId +‘">‘; iframe = document.createElement(html); } catch (e) { iframe = document.createElement(‘iframe‘); iframe.name = self.iframeId; iframe.src = ‘javascript:0‘; }
iframe.id = self.iframeId;
self.form.appendChild(iframe); self.iframe = iframe; }
initIframe();
// escape \n to prevent it from being converted into \r\n by some UAs // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side data = data.replace(rEscapedNewline, ‘\\\n‘); this.area.value = data.replace(rNewline, ‘\\n‘);
try { this.form.submit(); } catch(e) {}
if (this.iframe.attachEvent) { this.iframe.onreadystatechange = function(){ if (self.iframe.readyState == ‘complete‘) { complete(); } }; } else { this.iframe.onload = complete; }};
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{"./polling":18,"component-inherit":21}],17:[function(_dereq_,module,exports){(function (global){/** * Module requirements. */
var XMLHttpRequest = _dereq_(‘xmlhttprequest‘);var Polling = _dereq_(‘./polling‘);var Emitter = _dereq_(‘component-emitter‘);var inherit = _dereq_(‘component-inherit‘);var debug = _dereq_(‘debug‘)(‘engine.io-client:polling-xhr‘);
/** * Module exports. */
module.exports = XHR;module.exports.Request = Request;
/** * Empty function */
function empty(){}
/** * XHR Polling constructor. * * @param {Object} opts * @api public */
function XHR(opts){ Polling.call(this, opts);
if (global.location) { var isSSL = ‘https:‘ == location.protocol; var port = location.port;
// some user agents have empty `location.port` if (!port) { port = isSSL ? 443 : 80; }
this.xd = opts.hostname != global.location.hostname || port != opts.port; this.xs = opts.secure != isSSL; }}
/** * Inherits from Polling. */
inherit(XHR, Polling);
/** * XHR supports binary */
XHR.prototype.supportsBinary = true;
/** * Creates a request. * * @param {String} method * @api private */
XHR.prototype.request = function(opts){ opts = opts || {}; opts.uri = this.uri(); opts.xd = this.xd; opts.xs = this.xs; opts.agent = this.agent || false; opts.supportsBinary = this.supportsBinary; opts.enablesXDR = this.enablesXDR;
// SSL options for Node.js client opts.pfx = this.pfx; opts.key = this.key; opts.passphrase = this.passphrase; opts.cert = this.cert; opts.ca = this.ca; opts.ciphers = this.ciphers; opts.rejectUnauthorized = this.rejectUnauthorized;
return new Request(opts);};
/** * Sends data. * * @param {String} data to send. * @param {Function} called upon flush. * @api private */
XHR.prototype.doWrite = function(data, fn){ var isBinary = typeof data !== ‘string‘ && data !== undefined; var req = this.request({ method: ‘POST‘, data: data, isBinary: isBinary }); var self = this; req.on(‘success‘, fn); req.on(‘error‘, function(err){ self.onError(‘xhr post error‘, err); }); this.sendXhr = req;};
/** * Starts a poll cycle. * * @api private */
XHR.prototype.doPoll = function(){ debug(‘xhr poll‘); var req = this.request(); var self = this; req.on(‘data‘, function(data){ self.onData(data); }); req.on(‘error‘, function(err){ self.onError(‘xhr poll error‘, err); }); this.pollXhr = req;};
/** * Request constructor * * @param {Object} options * @api public */
function Request(opts){ this.method = opts.method || ‘GET‘; this.uri = opts.uri; this.xd = !!opts.xd; this.xs = !!opts.xs; this.async = false !== opts.async; this.data = undefined != opts.data ? opts.data : null; this.agent = opts.agent; this.isBinary = opts.isBinary; this.supportsBinary = opts.supportsBinary; this.enablesXDR = opts.enablesXDR;
// SSL options for Node.js client this.pfx = opts.pfx; this.key = opts.key; this.passphrase = opts.passphrase; this.cert = opts.cert; this.ca = opts.ca; this.ciphers = opts.ciphers; this.rejectUnauthorized = opts.rejectUnauthorized;
this.create();}
/** * Mix in `Emitter`. */
Emitter(Request.prototype);
/** * Creates the XHR object and sends the request. * * @api private */
Request.prototype.create = function(){ var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
// SSL options for Node.js client opts.pfx = this.pfx; opts.key = this.key; opts.passphrase = this.passphrase; opts.cert = this.cert; opts.ca = this.ca; opts.ciphers = this.ciphers; opts.rejectUnauthorized = this.rejectUnauthorized;
var xhr = this.xhr = new XMLHttpRequest(opts); var self = this;
try { debug(‘xhr open %s: %s‘, this.method, this.uri); xhr.open(this.method, this.uri, this.async); if (this.supportsBinary) { // This has to be done after open because Firefox is stupid // http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension xhr.responseType = ‘arraybuffer‘; }
if (‘POST‘ == this.method) { try { if (this.isBinary) { xhr.setRequestHeader(‘Content-type‘, ‘application/octet-stream‘); } else { xhr.setRequestHeader(‘Content-type‘, ‘text/plain;charset=UTF-8‘); } } catch (e) {} }
// ie6 check if (‘withCredentials‘ in xhr) { xhr.withCredentials = true; }
if (this.hasXDR()) { xhr.onload = function(){ self.onLoad(); }; xhr.onerror = function(){ self.onError(xhr.responseText); }; } else { xhr.onreadystatechange = function(){ if (4 != xhr.readyState) return; if (200 == xhr.status || 1223 == xhr.status) { self.onLoad(); } else { // make sure the `error` event handler that‘s user-set // does not throw in the same tick and gets caught here setTimeout(function(){ self.onError(xhr.status); }, 0); } }; }
debug(‘xhr data %s‘, this.data); xhr.send(this.data); } catch (e) { // Need to defer since .create() is called directly fhrom the constructor // and thus the ‘error‘ event can only be only bound *after* this exception // occurs. Therefore, also, we cannot throw here at all. setTimeout(function() { self.onError(e); }, 0); return; }
if (global.document) { this.index = Request.requestsCount++; Request.requests[this.index] = this; }};
/** * Called upon successful response. * * @api private */
Request.prototype.onSuccess = function(){ this.emit(‘success‘); this.cleanup();};
/** * Called if we have data. * * @api private */
Request.prototype.onData = function(data){ this.emit(‘data‘, data); this.onSuccess();};
/** * Called upon error. * * @api private */
Request.prototype.onError = function(err){ this.emit(‘error‘, err); this.cleanup(true);};
/** * Cleans up house. * * @api private */
Request.prototype.cleanup = function(fromError){ if (‘undefined‘ == typeof this.xhr || null === this.xhr) { return; } // xmlhttprequest if (this.hasXDR()) { this.xhr.onload = this.xhr.onerror = empty; } else { this.xhr.onreadystatechange = empty; }
if (fromError) { try { this.xhr.abort(); } catch(e) {} }
if (global.document) { delete Request.requests[this.index]; }
this.xhr = null;};
/** * Called upon load. * * @api private */
Request.prototype.onLoad = function(){ var data; try { var contentType; try { contentType = this.xhr.getResponseHeader(‘Content-Type‘).split(‘;‘)[0]; } catch (e) {} if (contentType === ‘application/octet-stream‘) { data = this.xhr.response; } else { if (!this.supportsBinary) { data = this.xhr.responseText; } else { data = ‘ok‘; } } } catch (e) { this.onError(e); } if (null != data) { this.onData(data); }};
/** * Check if it has XDomainRequest. * * @api private */
Request.prototype.hasXDR = function(){ return ‘undefined‘ !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;};
/** * Aborts the request. * * @api public */
Request.prototype.abort = function(){ this.cleanup();};
/** * Aborts pending requests when unloading the window. This is needed to prevent * memory leaks (e.g. when using IE) and to ensure that no spurious error is * emitted. */
if (global.document) { Request.requestsCount = 0; Request.requests = {}; if (global.attachEvent) { global.attachEvent(‘onunload‘, unloadHandler); } else if (global.addEventListener) { global.addEventListener(‘beforeunload‘, unloadHandler, false); }}
function unloadHandler() { for (var i in Request.requests) { if (Request.requests.hasOwnProperty(i)) { Request.requests[i].abort(); } }}
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{"./polling":18,"component-emitter":9,"component-inherit":21,"debug":22,"xmlhttprequest":20}],18:[function(_dereq_,module,exports){/** * Module dependencies. */
var Transport = _dereq_(‘../transport‘);var parseqs = _dereq_(‘parseqs‘);var parser = _dereq_(‘engine.io-parser‘);var inherit = _dereq_(‘component-inherit‘);var debug = _dereq_(‘debug‘)(‘engine.io-client:polling‘);
/** * Module exports. */
module.exports = Polling;
/** * Is XHR2 supported? */
var hasXHR2 = (function() { var XMLHttpRequest = _dereq_(‘xmlhttprequest‘); var xhr = new XMLHttpRequest({ xdomain: false }); return null != xhr.responseType;})();
/** * Polling interface. * * @param {Object} opts * @api private */
function Polling(opts){ var forceBase64 = (opts && opts.forceBase64); if (!hasXHR2 || forceBase64) { this.supportsBinary = false; } Transport.call(this, opts);}
/** * Inherits from Transport. */
inherit(Polling, Transport);
/** * Transport name. */
Polling.prototype.name = ‘polling‘;
/** * Opens the socket (triggers polling). We write a PING message to determine * when the transport is open. * * @api private */
Polling.prototype.doOpen = function(){ this.poll();};
/** * Pauses polling. * * @param {Function} callback upon buffers are flushed and transport is paused * @api private */
Polling.prototype.pause = function(onPause){ var pending = 0; var self = this;
this.readyState = ‘pausing‘;
function pause(){ debug(‘paused‘); self.readyState = ‘paused‘; onPause(); }
if (this.polling || !this.writable) { var total = 0;
if (this.polling) { debug(‘we are currently polling - waiting to pause‘); total++; this.once(‘pollComplete‘, function(){ debug(‘pre-pause polling complete‘); --total || pause(); }); }
if (!this.writable) { debug(‘we are currently writing - waiting to pause‘); total++; this.once(‘drain‘, function(){ debug(‘pre-pause writing complete‘); --total || pause(); }); } } else { pause(); }};
/** * Starts polling cycle. * * @api public */
Polling.prototype.poll = function(){ debug(‘polling‘); this.polling = true; this.doPoll(); this.emit(‘poll‘);};
/** * Overloads onData to detect payloads. * * @api private */
Polling.prototype.onData = function(data){ var self = this; debug(‘polling got data %s‘, data); var callback = function(packet, index, total) { // if its the first message we consider the transport open if (‘opening‘ == self.readyState) { self.onOpen(); }
// if its a close packet, we close the ongoing requests if (‘close‘ == packet.type) { self.onClose(); return false; }
// otherwise bypass onData and handle the message self.onPacket(packet); };
// decode payload parser.decodePayload(data, this.socket.binaryType, callback);
// if an event did not trigger closing if (‘closed‘ != this.readyState) { // if we got data we‘re not polling this.polling = false; this.emit(‘pollComplete‘);
if (‘open‘ == this.readyState) { this.poll(); } else { debug(‘ignoring poll - transport state "%s"‘, this.readyState); } }};
/** * For polling, send a close packet. * * @api private */
Polling.prototype.doClose = function(){ var self = this;
function close(){ debug(‘writing close packet‘); self.write([{ type: ‘close‘ }]); }
if (‘open‘ == this.readyState) { debug(‘transport open - closing‘); close(); } else { // in case we‘re trying to close while // handshaking is in progress (GH-164) debug(‘transport not open - deferring close‘); this.once(‘open‘, close); }};
/** * Writes a packets payload. * * @param {Array} data packets * @param {Function} drain callback * @api private */
Polling.prototype.write = function(packets){ var self = this; this.writable = false; var callbackfn = function() { self.writable = true; self.emit(‘drain‘); };
var self = this; parser.encodePayload(packets, this.supportsBinary, function(data) { self.doWrite(data, callbackfn); });};
/** * Generates uri for connection. * * @api private */
Polling.prototype.uri = function(){ var query = this.query || {}; var schema = this.secure ? ‘https‘ : ‘http‘; var port = ‘‘;
// cache busting is forced if (false !== this.timestampRequests) { query[this.timestampParam] = +new Date + ‘-‘ + Transport.timestamps++; }
if (!this.supportsBinary && !query.sid) { query.b64 = 1; }
query = parseqs.encode(query);
// avoid port if default for schema if (this.port && ((‘https‘ == schema && this.port != 443) || (‘http‘ == schema && this.port != 80))) { port = ‘:‘ + this.port; }
// prepend ? to query if (query.length) { query = ‘?‘ + query; }
return schema + ‘://‘ + this.hostname + port + this.path + query;};
},{"../transport":14,"component-inherit":21,"debug":22,"engine.io-parser":25,"parseqs":33,"xmlhttprequest":20}],19:[function(_dereq_,module,exports){/** * Module dependencies. */
var Transport = _dereq_(‘../transport‘);var parser = _dereq_(‘engine.io-parser‘);var parseqs = _dereq_(‘parseqs‘);var inherit = _dereq_(‘component-inherit‘);var debug = _dereq_(‘debug‘)(‘engine.io-client:websocket‘);
/** * `ws` exposes a WebSocket-compatible interface in * Node, or the `WebSocket` or `MozWebSocket` globals * in the browser. */
var WebSocket = _dereq_(‘ws‘);
/** * Module exports. */
module.exports = WS;
/** * WebSocket transport constructor. * * @api {Object} connection options * @api public */
function WS(opts){ var forceBase64 = (opts && opts.forceBase64); if (forceBase64) { this.supportsBinary = false; } Transport.call(this, opts);}
/** * Inherits from Transport. */
inherit(WS, Transport);
/** * Transport name. * * @api public */
WS.prototype.name = ‘websocket‘;
/* * WebSockets support binary */
WS.prototype.supportsBinary = true;
/** * Opens socket. * * @api private */
WS.prototype.doOpen = function(){ if (!this.check()) { // let probe timeout return; }
var self = this; var uri = this.uri(); var protocols = void(0); var opts = { agent: this.agent };
// SSL options for Node.js client opts.pfx = this.pfx; opts.key = this.key; opts.passphrase = this.passphrase; opts.cert = this.cert; opts.ca = this.ca; opts.ciphers = this.ciphers; opts.rejectUnauthorized = this.rejectUnauthorized;
this.ws = new WebSocket(uri, protocols, opts);
if (this.ws.binaryType === undefined) { this.supportsBinary = false; }
this.ws.binaryType = ‘arraybuffer‘; this.addEventListeners();};
/** * Adds event listeners to the socket * * @api private */
WS.prototype.addEventListeners = function(){ var self = this;
this.ws.onopen = function(){ self.onOpen(); }; this.ws.onclose = function(){ self.onClose(); }; this.ws.onmessage = function(ev){ self.onData(ev.data); }; this.ws.onerror = function(e){ self.onError(‘websocket error‘, e); };};
/** * Override `onData` to use a timer on iOS. * See: https://gist.github.com/mloughran/2052006 * * @api private */
if (‘undefined‘ != typeof navigator && /iPad|iPhone|iPod/i.test(navigator.userAgent)) { WS.prototype.onData = function(data){ var self = this; setTimeout(function(){ Transport.prototype.onData.call(self, data); }, 0); };}
/** * Writes data to socket. * * @param {Array} array of packets. * @api private */
WS.prototype.write = function(packets){ var self = this; this.writable = false; // encodePacket efficient as it uses WS framing // no need for encodePayload for (var i = 0, l = packets.length; i < l; i++) { parser.encodePacket(packets[i], this.supportsBinary, function(data) { //Sometimes the websocket has already been closed but the browser didn‘t //have a chance of informing us about it yet, in that case send will //throw an error try { self.ws.send(data); } catch (e){ debug(‘websocket closed before onclose event‘); } }); }
function ondrain() { self.writable = true; self.emit(‘drain‘); } // fake drain // defer to next tick to allow Socket to clear writeBuffer setTimeout(ondrain, 0);};
/** * Called upon close * * @api private */
WS.prototype.onClose = function(){ Transport.prototype.onClose.call(this);};
/** * Closes socket. * * @api private */
WS.prototype.doClose = function(){ if (typeof this.ws !== ‘undefined‘) { this.ws.close(); }};
/** * Generates uri for connection. * * @api private */
WS.prototype.uri = function(){ var query = this.query || {}; var schema = this.secure ? ‘wss‘ : ‘ws‘; var port = ‘‘;
// avoid port if default for schema if (this.port && ((‘wss‘ == schema && this.port != 443) || (‘ws‘ == schema && this.port != 80))) { port = ‘:‘ + this.port; }
// append timestamp to URI if (this.timestampRequests) { query[this.timestampParam] = +new Date; }
// communicate binary support capabilities if (!this.supportsBinary) { query.b64 = 1; }
query = parseqs.encode(query);
// prepend ? to query if (query.length) { query = ‘?‘ + query; }
return schema + ‘://‘ + this.hostname + port + this.path + query;};
/** * Feature detection for WebSocket. * * @return {Boolean} whether this transport is available. * @api public */
WS.prototype.check = function(){ return !!WebSocket && !(‘__initialize‘ in WebSocket && this.name === WS.prototype.name);};
},{"../transport":14,"component-inherit":21,"debug":22,"engine.io-parser":25,"parseqs":33,"ws":35}],20:[function(_dereq_,module,exports){// browser shim for xmlhttprequest modulevar hasCORS = _dereq_(‘has-cors‘);
module.exports = function(opts) { var xdomain = opts.xdomain;
// scheme must be same when usign XDomainRequest // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx var xscheme = opts.xscheme;
// XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default. // https://github.com/Automattic/engine.io-client/pull/217 var enablesXDR = opts.enablesXDR;
// XMLHttpRequest can be disabled on IE try { if (‘undefined‘ != typeof XMLHttpRequest && (!xdomain || hasCORS)) { return new XMLHttpRequest(); } } catch (e) { }
// Use XDomainRequest for IE8 if enablesXDR is true // because loading bar keeps flashing when using jsonp-polling // https://github.com/yujiosaka/socke.io-ie8-loading-example try { if (‘undefined‘ != typeof XDomainRequest && !xscheme && enablesXDR) { return new XDomainRequest(); } } catch (e) { }
if (!xdomain) { try { return new ActiveXObject(‘Microsoft.XMLHTTP‘); } catch(e) { } }}
},{"has-cors":38}],21:[function(_dereq_,module,exports){
module.exports = function(a, b){ var fn = function(){}; fn.prototype = b.prototype; a.prototype = new fn; a.prototype.constructor = a;};},{}],22:[function(_dereq_,module,exports){
/** * This is the web browser implementation of `debug()`. * * Expose `debug()` as the module. */
exports = module.exports = _dereq_(‘./debug‘);exports.log = log;exports.formatArgs = formatArgs;exports.save = save;exports.load = load;exports.useColors = useColors;
/** * Colors. */
exports.colors = [ ‘lightseagreen‘, ‘forestgreen‘, ‘goldenrod‘, ‘dodgerblue‘, ‘darkorchid‘, ‘crimson‘];
/** * Currently only WebKit-based Web Inspectors, Firefox >= v31, * and the Firebug extension (any Firefox version) are known * to support "%c" CSS customizations. * * TODO: add a `localStorage` variable to explicitly enable/disable colors */
function useColors() { // is webkit? http://stackoverflow.com/a/16459606/376773 return (‘WebkitAppearance‘ in document.documentElement.style) || // is firebug? http://stackoverflow.com/a/398120/376773 (window.console && (console.firebug || (console.exception && console.table))) || // is firefox >= v31? // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);}
/** * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. */
exports.formatters.j = function(v) { return JSON.stringify(v);};
/** * Colorize log arguments if enabled. * * @api public */
function formatArgs() { var args = arguments; var useColors = this.useColors;
args[0] = (useColors ? ‘%c‘ : ‘‘) + this.namespace + (useColors ? ‘ %c‘ : ‘ ‘) + args[0] + (useColors ? ‘%c ‘ : ‘ ‘) + ‘+‘ + exports.humanize(this.diff);
if (!useColors) return args;
var c = ‘color: ‘ + this.color; args = [args[0], c, ‘color: inherit‘].concat(Array.prototype.slice.call(args, 1));
// 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-z%]/g, function(match) { if (‘%%‘ === match) return; index++; if (‘%c‘ === match) { // we only are interested in the *last* %c // (the user may have provided their own) lastC = index; } });
args.splice(lastC, 0, c); return args;}
/** * Invokes `console.log()` when available. * No-op when `console.log` is not a "function". * * @api public */
function log() { // This hackery is required for IE8, // where the `console.log` function doesn‘t have ‘apply‘ return ‘object‘ == typeof console && ‘function‘ == typeof console.log && Function.prototype.apply.call(console.log, console, arguments);}
/** * Save `namespaces`. * * @param {String} namespaces * @api private */
function save(namespaces) { try { if (null == namespaces) { localStorage.removeItem(‘debug‘); } else { localStorage.debug = namespaces; } } catch(e) {}}
/** * Load `namespaces`. * * @return {String} returns the previously persisted debug modes * @api private */
function load() { var r; try { r = localStorage.debug; } catch(e) {} return r;}
/** * Enable namespaces listed in `localStorage.debug` initially. */
exports.enable(load());
},{"./debug":23}],23:[function(_dereq_,module,exports){
/** * This is the common logic for both the Node.js and web browser * implementations of `debug()`. * * Expose `debug()` as the module. */
exports = module.exports = debug;exports.coerce = coerce;exports.disable = disable;exports.enable = enable;exports.enabled = enabled;exports.humanize = _dereq_(‘ms‘);
/** * The currently active debug mode names, and names to skip. */
exports.names = [];exports.skips = [];
/** * Map of special "%n" handling functions, for the debug "format" argument. * * Valid key names are a single, lowercased letter, i.e. "n". */
exports.formatters = {};
/** * Previously assigned color. */
var prevColor = 0;
/** * Previous log timestamp. */
var prevTime;
/** * Select a color. * * @return {Number} * @api private */
function selectColor() { return exports.colors[prevColor++ % exports.colors.length];}
/** * Create a debugger with the given `namespace`. * * @param {String} namespace * @return {Function} * @api public */
function debug(namespace) {
// define the `disabled` version function disabled() { } disabled.enabled = false;
// define the `enabled` version function enabled() {
var self = enabled;
// set `diff` timestamp var curr = +new Date(); var ms = curr - (prevTime || curr); self.diff = ms; self.prev = prevTime; self.curr = curr; prevTime = curr;
// add the `color` if not set if (null == self.useColors) self.useColors = exports.useColors(); if (null == self.color && self.useColors) self.color = selectColor();
var args = Array.prototype.slice.call(arguments);
args[0] = exports.coerce(args[0]);
if (‘string‘ !== typeof args[0]) { // anything else let‘s inspect with %o args = [‘%o‘].concat(args); }
// apply any `formatters` transformations var index = 0; args[0] = args[0].replace(/%([a-z%])/g, function(match, format) { // if we encounter an escaped % then don‘t increase the array index if (match === ‘%%‘) return match; index++; var formatter = exports.formatters[format]; if (‘function‘ === typeof formatter) { var val = args[index]; match = formatter.call(self, val);
// now we need to remove `args[index]` since it‘s inlined in the `format` args.splice(index, 1); index--; } return match; });
if (‘function‘ === typeof exports.formatArgs) { args = exports.formatArgs.apply(self, args); } var logFn = enabled.log || exports.log || console.log.bind(console); logFn.apply(self, args); } enabled.enabled = true;
var fn = exports.enabled(namespace) ? enabled : disabled;
fn.namespace = namespace;
return fn;}
/** * Enables a debug mode by namespaces. This can include modes * separated by a colon and wildcards. * * @param {String} namespaces * @api public */
function enable(namespaces) { exports.save(namespaces);
var split = (namespaces || ‘‘).split(/[\s,]+/); var len = split.length;
for (var i = 0; i < len; i++) { if (!split[i]) continue; // ignore empty strings namespaces = split[i].replace(/\*/g, ‘.*?‘); if (namespaces[0] === ‘-‘) { exports.skips.push(new RegExp(‘^‘ + namespaces.substr(1) + ‘$‘)); } else { exports.names.push(new RegExp(‘^‘ + namespaces + ‘$‘)); } }}
/** * Disable debug output. * * @api public */
function disable() { exports.enable(‘‘);}
/** * Returns true if the given mode name is enabled, false otherwise. * * @param {String} name * @return {Boolean} * @api public */
function enabled(name) { var i, len; for (i = 0, len = exports.skips.length; i < len; i++) { if (exports.skips[i].test(name)) { return false; } } for (i = 0, len = exports.names.length; i < len; i++) { if (exports.names[i].test(name)) { return true; } } return false;}
/** * Coerce `val`. * * @param {Mixed} val * @return {Mixed} * @api private */
function coerce(val) { if (val instanceof Error) return val.stack || val.message; return val;}
},{"ms":24}],24:[function(_dereq_,module,exports){/** * Helpers. */
var s = 1000;var m = s * 60;var h = m * 60;var d = h * 24;var y = d * 365.25;
/** * Parse or format the given `val`. * * Options: * * - `long` verbose formatting [false] * * @param {String|Number} val * @param {Object} options * @return {String|Number} * @api public */
module.exports = function(val, options){ options = options || {}; if (‘string‘ == typeof val) return parse(val); return options.long ? long(val) : short(val);};
/** * Parse the given `str` and return milliseconds. * * @param {String} str * @return {Number} * @api private */
function parse(str) { var match = /^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(str); if (!match) return; var n = parseFloat(match[1]); var type = (match[2] || ‘ms‘).toLowerCase(); switch (type) { case ‘years‘: case ‘year‘: case ‘y‘: return n * y; case ‘days‘: case ‘day‘: case ‘d‘: return n * d; case ‘hours‘: case ‘hour‘: case ‘h‘: return n * h; case ‘minutes‘: case ‘minute‘: case ‘m‘: return n * m; case ‘seconds‘: case ‘second‘: case ‘s‘: return n * s; case ‘ms‘: return n; }}
/** * Short format for `ms`. * * @param {Number} ms * @return {String} * @api private */
function short(ms) { if (ms >= d) return Math.round(ms / d) + ‘d‘; if (ms >= h) return Math.round(ms / h) + ‘h‘; if (ms >= m) return Math.round(ms / m) + ‘m‘; if (ms >= s) return Math.round(ms / s) + ‘s‘; return ms + ‘ms‘;}
/** * Long format for `ms`. * * @param {Number} ms * @return {String} * @api private */
function long(ms) { return plural(ms, d, ‘day‘) || plural(ms, h, ‘hour‘) || plural(ms, m, ‘minute‘) || plural(ms, s, ‘second‘) || ms + ‘ ms‘;}
/** * Pluralization helper. */
function plural(ms, n, name) { if (ms < n) return; if (ms < n * 1.5) return Math.floor(ms / n) + ‘ ‘ + name; return Math.ceil(ms / n) + ‘ ‘ + name + ‘s‘;}
},{}],25:[function(_dereq_,module,exports){(function (global){/** * Module dependencies. */
var keys = _dereq_(‘./keys‘);var hasBinary = _dereq_(‘has-binary‘);var sliceBuffer = _dereq_(‘arraybuffer.slice‘);var base64encoder = _dereq_(‘base64-arraybuffer‘);var after = _dereq_(‘after‘);var utf8 = _dereq_(‘utf8‘);
/** * Check if we are running an android browser. That requires us to use * ArrayBuffer with polling transports... * * http://ghinda.net/jpeg-blob-ajax-android/ */
var isAndroid = navigator.userAgent.match(/Android/i);
/** * Check if we are running in PhantomJS. * Uploading a Blob with PhantomJS does not work correctly, as reported here: * https://github.com/ariya/phantomjs/issues/11395 * @type boolean */var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);
/** * When true, avoids using Blobs to encode payloads. * @type boolean */var dontSendBlobs = isAndroid || isPhantomJS;
/** * Current protocol version. */
exports.protocol = 3;
/** * Packet types. */
var packets = exports.packets = { open: 0 // non-ws , close: 1 // non-ws , ping: 2 , pong: 3 , message: 4 , upgrade: 5 , noop: 6};
var packetslist = keys(packets);
/** * Premade error packet. */
var err = { type: ‘error‘, data: ‘parser error‘ };
/** * Create a blob api even for blob builder when vendor prefixes exist */
var Blob = _dereq_(‘blob‘);
/** * Encodes a packet. * * <packet type id> [ <data> ] * * Example: * * 5hello world * 3 * 4 * * Binary is encoded in an identical principle * * @api private */
exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) { if (‘function‘ == typeof supportsBinary) { callback = supportsBinary; supportsBinary = false; }
if (‘function‘ == typeof utf8encode) { callback = utf8encode; utf8encode = null; }
var data = (packet.data === undefined) ? undefined : packet.data.buffer || packet.data;
if (global.ArrayBuffer && data instanceof ArrayBuffer) { return encodeArrayBuffer(packet, supportsBinary, callback); } else if (Blob && data instanceof global.Blob) { return encodeBlob(packet, supportsBinary, callback); }
// might be an object with { base64: true, data: dataAsBase64String } if (data && data.base64) { return encodeBase64Object(packet, callback); }
// Sending data as a utf-8 string var encoded = packets[packet.type];
// data fragment is optional if (undefined !== packet.data) { encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data); }
return callback(‘‘ + encoded);
};
function encodeBase64Object(packet, callback) { // packet data is an object { base64: true, data: dataAsBase64String } var message = ‘b‘ + exports.packets[packet.type] + packet.data.data; return callback(message);}
/** * Encode packet helpers for binary types */
function encodeArrayBuffer(packet, supportsBinary, callback) { if (!supportsBinary) { return exports.encodeBase64Packet(packet, callback); }
var data = packet.data; var contentArray = new Uint8Array(data); var resultBuffer = new Uint8Array(1 + data.byteLength);
resultBuffer[0] = packets[packet.type]; for (var i = 0; i < contentArray.length; i++) { resultBuffer[i+1] = contentArray[i]; }
return callback(resultBuffer.buffer);}
function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) { if (!supportsBinary) { return exports.encodeBase64Packet(packet, callback); }
var fr = new FileReader(); fr.onload = function() { packet.data = fr.result; exports.encodePacket(packet, supportsBinary, true, callback); }; return fr.readAsArrayBuffer(packet.data);}
function encodeBlob(packet, supportsBinary, callback) { if (!supportsBinary) { return exports.encodeBase64Packet(packet, callback); }
if (dontSendBlobs) { return encodeBlobAsArrayBuffer(packet, supportsBinary, callback); }
var length = new Uint8Array(1); length[0] = packets[packet.type]; var blob = new Blob([length.buffer, packet.data]);
return callback(blob);}
/** * Encodes a packet with binary data in a base64 string * * @param {Object} packet, has `type` and `data` * @return {String} base64 encoded message */
exports.encodeBase64Packet = function(packet, callback) { var message = ‘b‘ + exports.packets[packet.type]; if (Blob && packet.data instanceof Blob) { var fr = new FileReader(); fr.onload = function() { var b64 = fr.result.split(‘,‘)[1]; callback(message + b64); }; return fr.readAsDataURL(packet.data); }
var b64data; try { b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data)); } catch (e) { // iPhone Safari doesn‘t let you apply with typed arrays var typed = new Uint8Array(packet.data); var basic = new Array(typed.length); for (var i = 0; i < typed.length; i++) { basic[i] = typed[i]; } b64data = String.fromCharCode.apply(null, basic); } message += global.btoa(b64data); return callback(message);};
/** * Decodes a packet. Changes format to Blob if requested. * * @return {Object} with `type` and `data` (if any) * @api private */
exports.decodePacket = function (data, binaryType, utf8decode) { // String data if (typeof data == ‘string‘ || data === undefined) { if (data.charAt(0) == ‘b‘) { return exports.decodeBase64Packet(data.substr(1), binaryType); }
if (utf8decode) { try { data = utf8.decode(data); } catch (e) { return err; } } var type = data.charAt(0);
if (Number(type) != type || !packetslist[type]) { return err; }
if (data.length > 1) { return { type: packetslist[type], data: data.substring(1) }; } else { return { type: packetslist[type] }; } }
var asArray = new Uint8Array(data); var type = asArray[0]; var rest = sliceBuffer(data, 1); if (Blob && binaryType === ‘blob‘) { rest = new Blob([rest]); } return { type: packetslist[type], data: rest };};
/** * Decodes a packet encoded in a base64 string * * @param {String} base64 encoded message * @return {Object} with `type` and `data` (if any) */
exports.decodeBase64Packet = function(msg, binaryType) { var type = packetslist[msg.charAt(0)]; if (!global.ArrayBuffer) { return { type: type, data: { base64: true, data: msg.substr(1) } }; }
var data = base64encoder.decode(msg.substr(1));
if (binaryType === ‘blob‘ && Blob) { data = new Blob([data]); }
return { type: type, data: data };};
/** * Encodes multiple messages (payload). * * <length>:data * * Example: * * 11:hello world2:hi * * If any contents are binary, they will be encoded as base64 strings. Base64 * encoded strings are marked with a b before the length specifier * * @param {Array} packets * @api private */
exports.encodePayload = function (packets, supportsBinary, callback) { if (typeof supportsBinary == ‘function‘) { callback = supportsBinary; supportsBinary = null; }
var isBinary = hasBinary(packets);
if (supportsBinary && isBinary) { if (Blob && !dontSendBlobs) { return exports.encodePayloadAsBlob(packets, callback); }
return exports.encodePayloadAsArrayBuffer(packets, callback); }
if (!packets.length) { return callback(‘0:‘); }
function setLengthHeader(message) { return message.length + ‘:‘ + message; }
function encodeOne(packet, doneCallback) { exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) { doneCallback(null, setLengthHeader(message)); }); }
map(packets, encodeOne, function(err, results) { return callback(results.join(‘‘)); });};
/** * Async array map using after */
function map(ary, each, done) { var result = new Array(ary.length); var next = after(ary.length, done);
var eachWithIndex = function(i, el, cb) { each(el, function(error, msg) { result[i] = msg; cb(error, result); }); };
for (var i = 0; i < ary.length; i++) { eachWithIndex(i, ary[i], next); }}
/* * Decodes data when a payload is maybe expected. Possible binary contents are * decoded from their base64 representation * * @param {String} data, callback method * @api public */
exports.decodePayload = function (data, binaryType, callback) { if (typeof data != ‘string‘) { return exports.decodePayloadAsBinary(data, binaryType, callback); }
if (typeof binaryType === ‘function‘) { callback = binaryType; binaryType = null; }
var packet; if (data == ‘‘) { // parser error - ignoring payload return callback(err, 0, 1); }
var length = ‘‘ , n, msg;
for (var i = 0, l = data.length; i < l; i++) { var chr = data.charAt(i);
if (‘:‘ != chr) { length += chr; } else { if (‘‘ == length || (length != (n = Number(length)))) { // parser error - ignoring payload return callback(err, 0, 1); }
msg = data.substr(i + 1, n);
if (length != msg.length) { // parser error - ignoring payload return callback(err, 0, 1); }
if (msg.length) { packet = exports.decodePacket(msg, binaryType, true);
if (err.type == packet.type && err.data == packet.data) { // parser error in individual packet - ignoring payload return callback(err, 0, 1); }
var ret = callback(packet, i + n, l); if (false === ret) return; }
// advance cursor i += n; length = ‘‘; } }
if (length != ‘‘) { // parser error - ignoring payload return callback(err, 0, 1); }
};
/** * Encodes multiple messages (payload) as binary. * * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number * 255><data> * * Example: * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers * * @param {Array} packets * @return {ArrayBuffer} encoded payload * @api private */
exports.encodePayloadAsArrayBuffer = function(packets, callback) { if (!packets.length) { return callback(new ArrayBuffer(0)); }
function encodeOne(packet, doneCallback) { exports.encodePacket(packet, true, true, function(data) { return doneCallback(null, data); }); }
map(packets, encodeOne, function(err, encodedPackets) { var totalLength = encodedPackets.reduce(function(acc, p) { var len; if (typeof p === ‘string‘){ len = p.length; } else { len = p.byteLength; } return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2 }, 0);
var resultArray = new Uint8Array(totalLength);
var bufferIndex = 0; encodedPackets.forEach(function(p) { var isString = typeof p === ‘string‘; var ab = p; if (isString) { var view = new Uint8Array(p.length); for (var i = 0; i < p.length; i++) { view[i] = p.charCodeAt(i); } ab = view.buffer; }
if (isString) { // not true binary resultArray[bufferIndex++] = 0; } else { // true binary resultArray[bufferIndex++] = 1; }
var lenStr = ab.byteLength.toString(); for (var i = 0; i < lenStr.length; i++) { resultArray[bufferIndex++] = parseInt(lenStr[i]); } resultArray[bufferIndex++] = 255;
var view = new Uint8Array(ab); for (var i = 0; i < view.length; i++) { resultArray[bufferIndex++] = view[i]; } });
return callback(resultArray.buffer); });};
/** * Encode as Blob */
exports.encodePayloadAsBlob = function(packets, callback) { function encodeOne(packet, doneCallback) { exports.encodePacket(packet, true, true, function(encoded) { var binaryIdentifier = new Uint8Array(1); binaryIdentifier[0] = 1; if (typeof encoded === ‘string‘) { var view = new Uint8Array(encoded.length); for (var i = 0; i < encoded.length; i++) { view[i] = encoded.charCodeAt(i); } encoded = view.buffer; binaryIdentifier[0] = 0; }
var len = (encoded instanceof ArrayBuffer) ? encoded.byteLength : encoded.size;
var lenStr = len.toString(); var lengthAry = new Uint8Array(lenStr.length + 1); for (var i = 0; i < lenStr.length; i++) { lengthAry[i] = parseInt(lenStr[i]); } lengthAry[lenStr.length] = 255;
if (Blob) { var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]); doneCallback(null, blob); } }); }
map(packets, encodeOne, function(err, results) { return callback(new Blob(results)); });};
/* * Decodes data when a payload is maybe expected. Strings are decoded by * interpreting each byte as a key code for entries marked to start with 0. See * description of encodePayloadAsBinary * * @param {ArrayBuffer} data, callback method * @api public */
exports.decodePayloadAsBinary = function (data, binaryType, callback) { if (typeof binaryType === ‘function‘) { callback = binaryType; binaryType = null; }
var bufferTail = data; var buffers = [];
var numberTooLong = false; while (bufferTail.byteLength > 0) { var tailArray = new Uint8Array(bufferTail); var isString = tailArray[0] === 0; var msgLength = ‘‘;
for (var i = 1; ; i++) { if (tailArray[i] == 255) break;
if (msgLength.length > 310) { numberTooLong = true; break; }
msgLength += tailArray[i]; }
if(numberTooLong) return callback(err, 0, 1);
bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length); msgLength = parseInt(msgLength);
var msg = sliceBuffer(bufferTail, 0, msgLength); if (isString) { try { msg = String.fromCharCode.apply(null, new Uint8Array(msg)); } catch (e) { // iPhone Safari doesn‘t let you apply to typed arrays var typed = new Uint8Array(msg); msg = ‘‘; for (var i = 0; i < typed.length; i++) { msg += String.fromCharCode(typed[i]); } } }
buffers.push(msg); bufferTail = sliceBuffer(bufferTail, msgLength); }
var total = buffers.length; buffers.forEach(function(buffer, i) { callback(exports.decodePacket(buffer, binaryType, true), i, total); });};
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{"./keys":26,"after":27,"arraybuffer.slice":28,"base64-arraybuffer":29,"blob":30,"has-binary":36,"utf8":31}],26:[function(_dereq_,module,exports){
/** * Gets the keys for an object. * * @return {Array} keys * @api private */
module.exports = Object.keys || function keys (obj){ var arr = []; var has = Object.prototype.hasOwnProperty;
for (var i in obj) { if (has.call(obj, i)) { arr.push(i); } } return arr;};
},{}],27:[function(_dereq_,module,exports){module.exports = after
function after(count, callback, err_cb) { var bail = false err_cb = err_cb || noop proxy.count = count
return (count === 0) ? callback() : proxy
function proxy(err, result) { if (proxy.count <= 0) { throw new Error(‘after called too many times‘) } --proxy.count
// after first error, rest are passed to err_cb if (err) { bail = true callback(err) // future error callbacks will go to error handler callback = err_cb } else if (proxy.count === 0 && !bail) { callback(null, result) } }}
function noop() {}
},{}],28:[function(_dereq_,module,exports){/** * An abstraction for slicing an arraybuffer even when * ArrayBuffer.prototype.slice is not supported * * @api public */
module.exports = function(arraybuffer, start, end) { var bytes = arraybuffer.byteLength; start = start || 0; end = end || bytes;
if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
if (start < 0) { start += bytes; } if (end < 0) { end += bytes; } if (end > bytes) { end = bytes; }
if (start >= bytes || start >= end || bytes === 0) { return new ArrayBuffer(0); }
var abv = new Uint8Array(arraybuffer); var result = new Uint8Array(end - start); for (var i = start, ii = 0; i < end; i++, ii++) { result[ii] = abv[i]; } return result.buffer;};
},{}],29:[function(_dereq_,module,exports){/* * base64-arraybuffer * https://github.com/niklasvh/base64-arraybuffer * * Copyright (c) 2012 Niklas von Hertzen * Licensed under the MIT license. */(function(chars){ "use strict";
exports.encode = function(arraybuffer) { var bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = "";
for (i = 0; i < len; i+=3) { base64 += chars[bytes[i] >> 2]; base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)]; base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)]; base64 += chars[bytes[i + 2] & 63]; }
if ((len % 3) === 2) { base64 = base64.substring(0, base64.length - 1) + "="; } else if (len % 3 === 1) { base64 = base64.substring(0, base64.length - 2) + "=="; }
return base64; };
exports.decode = function(base64) { var bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;
if (base64[base64.length - 1] === "=") { bufferLength--; if (base64[base64.length - 2] === "=") { bufferLength--; } }
var arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);
for (i = 0; i < len; i+=4) { encoded1 = chars.indexOf(base64[i]); encoded2 = chars.indexOf(base64[i+1]); encoded3 = chars.indexOf(base64[i+2]); encoded4 = chars.indexOf(base64[i+3]);
bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63); }
return arraybuffer; };})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
},{}],30:[function(_dereq_,module,exports){(function (global){/** * Create a blob builder even when vendor prefixes exist */
var BlobBuilder = global.BlobBuilder || global.WebKitBlobBuilder || global.MSBlobBuilder || global.MozBlobBuilder;
/** * Check if Blob constructor is supported */
var blobSupported = (function() { try { var a = new Blob([‘hi‘]); return a.size === 2; } catch(e) { return false; }})();
/** * Check if Blob constructor supports ArrayBufferViews * Fails in Safari 6, so we need to map to ArrayBuffers there. */
var blobSupportsArrayBufferView = blobSupported && (function() { try { var b = new Blob([new Uint8Array([1,2])]); return b.size === 2; } catch(e) { return false; }})();
/** * Check if BlobBuilder is supported */
var blobBuilderSupported = BlobBuilder && BlobBuilder.prototype.append && BlobBuilder.prototype.getBlob;
/** * Helper function that maps ArrayBufferViews to ArrayBuffers * Used by BlobBuilder constructor and old browsers that didn‘t * support it in the Blob constructor. */
function mapArrayBufferViews(ary) { for (var i = 0; i < ary.length; i++) { var chunk = ary[i]; if (chunk.buffer instanceof ArrayBuffer) { var buf = chunk.buffer;
// if this is a subarray, make a copy so we only // include the subarray region from the underlying buffer if (chunk.byteLength !== buf.byteLength) { var copy = new Uint8Array(chunk.byteLength); copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength)); buf = copy.buffer; }
ary[i] = buf; } }}
function BlobBuilderConstructor(ary, options) { options = options || {};
var bb = new BlobBuilder(); mapArrayBufferViews(ary);
for (var i = 0; i < ary.length; i++) { bb.append(ary[i]); }
return (options.type) ? bb.getBlob(options.type) : bb.getBlob();};
function BlobConstructor(ary, options) { mapArrayBufferViews(ary); return new Blob(ary, options || {});};
module.exports = (function() { if (blobSupported) { return blobSupportsArrayBufferView ? global.Blob : BlobConstructor; } else if (blobBuilderSupported) { return BlobBuilderConstructor; } else { return undefined; }})();
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{}],31:[function(_dereq_,module,exports){(function (global){/*! https://mths.be/utf8js v2.0.0 by @mathias */;(function(root) {
// Detect free variables `exports` var freeExports = typeof exports == ‘object‘ && exports;
// Detect free variable `module` var freeModule = typeof module == ‘object‘ && module && module.exports == freeExports && module;
// Detect free variable `global`, from Node.js or Browserified code, // and use it as `root` var freeGlobal = typeof global == ‘object‘ && global; if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) { root = freeGlobal; }
/*--------------------------------------------------------------------------*/
var stringFromCharCode = String.fromCharCode;
// Taken from https://mths.be/punycode function ucs2decode(string) { var output = []; var counter = 0; var length = string.length; var value; var extra; while (counter < length) { value = string.charCodeAt(counter++); if (value >= 0xD800 && value <= 0xDBFF && counter < length) { // high surrogate, and there is a next character extra = string.charCodeAt(counter++); if ((extra & 0xFC00) == 0xDC00) { // low surrogate output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); } else { // unmatched surrogate; only append this code unit, in case the next // code unit is the high surrogate of a surrogate pair output.push(value); counter--; } } else { output.push(value); } } return output; }
// Taken from https://mths.be/punycode function ucs2encode(array) { var length = array.length; var index = -1; var value; var output = ‘‘; while (++index < length) { value = array[index]; if (value > 0xFFFF) { value -= 0x10000; output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); value = 0xDC00 | value & 0x3FF; } output += stringFromCharCode(value); } return output; }
function checkScalarValue(codePoint) { if (codePoint >= 0xD800 && codePoint <= 0xDFFF) { throw Error( ‘Lone surrogate U+‘ + codePoint.toString(16).toUpperCase() + ‘ is not a scalar value‘ ); } } /*--------------------------------------------------------------------------*/
function createByte(codePoint, shift) { return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80); }
function encodeCodePoint(codePoint) { if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence return stringFromCharCode(codePoint); } var symbol = ‘‘; if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0); } else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence checkScalarValue(codePoint); symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0); symbol += createByte(codePoint, 6); } else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0); symbol += createByte(codePoint, 12); symbol += createByte(codePoint, 6); } symbol += stringFromCharCode((codePoint & 0x3F) | 0x80); return symbol; }
function utf8encode(string) { var codePoints = ucs2decode(string); var length = codePoints.length; var index = -1; var codePoint; var byteString = ‘‘; while (++index < length) { codePoint = codePoints[index]; byteString += encodeCodePoint(codePoint); } return byteString; }
/*--------------------------------------------------------------------------*/
function readContinuationByte() { if (byteIndex >= byteCount) { throw Error(‘Invalid byte index‘); }
var continuationByte = byteArray[byteIndex] & 0xFF; byteIndex++;
if ((continuationByte & 0xC0) == 0x80) { return continuationByte & 0x3F; }
// If we end up here, it’s not a continuation byte throw Error(‘Invalid continuation byte‘); }
function decodeSymbol() { var byte1; var byte2; var byte3; var byte4; var codePoint;
if (byteIndex > byteCount) { throw Error(‘Invalid byte index‘); }
if (byteIndex == byteCount) { return false; }
// Read first byte byte1 = byteArray[byteIndex] & 0xFF; byteIndex++;
// 1-byte sequence (no continuation bytes) if ((byte1 & 0x80) == 0) { return byte1; }
// 2-byte sequence if ((byte1 & 0xE0) == 0xC0) { var byte2 = readContinuationByte(); codePoint = ((byte1 & 0x1F) << 6) | byte2; if (codePoint >= 0x80) { return codePoint; } else { throw Error(‘Invalid continuation byte‘); } }
// 3-byte sequence (may include unpaired surrogates) if ((byte1 & 0xF0) == 0xE0) { byte2 = readContinuationByte(); byte3 = readContinuationByte(); codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3; if (codePoint >= 0x0800) { checkScalarValue(codePoint); return codePoint; } else { throw Error(‘Invalid continuation byte‘); } }
// 4-byte sequence if ((byte1 & 0xF8) == 0xF0) { byte2 = readContinuationByte(); byte3 = readContinuationByte(); byte4 = readContinuationByte(); codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) | (byte3 << 0x06) | byte4; if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) { return codePoint; } }
throw Error(‘Invalid UTF-8 detected‘); }
var byteArray; var byteCount; var byteIndex; function utf8decode(byteString) { byteArray = ucs2decode(byteString); byteCount = byteArray.length; byteIndex = 0; var codePoints = []; var tmp; while ((tmp = decodeSymbol()) !== false) { codePoints.push(tmp); } return ucs2encode(codePoints); }
/*--------------------------------------------------------------------------*/
var utf8 = { ‘version‘: ‘2.0.0‘, ‘encode‘: utf8encode, ‘decode‘: utf8decode };
// Some AMD build optimizers, like r.js, check for specific condition patterns // like the following: if ( typeof define == ‘function‘ && typeof define.amd == ‘object‘ && define.amd ) { define(function() { return utf8; }); } else if (freeExports && !freeExports.nodeType) { if (freeModule) { // in Node.js or RingoJS v0.8.0+ freeModule.exports = utf8; } else { // in Narwhal or RingoJS v0.7.0- var object = {}; var hasOwnProperty = object.hasOwnProperty; for (var key in utf8) { hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]); } } } else { // in Rhino or a web browser root.utf8 = utf8; }
}(this));
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{}],32:[function(_dereq_,module,exports){(function (global){/** * JSON parse. * * @see Based on jQuery#parseJSON (MIT) and JSON2 * @api private */
var rvalidchars = /^[\],:{}\s]*$/;var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;var rtrimLeft = /^\s+/;var rtrimRight = /\s+$/;
module.exports = function parsejson(data) { if (‘string‘ != typeof data || !data) { return null; }
data = data.replace(rtrimLeft, ‘‘).replace(rtrimRight, ‘‘);
// Attempt to parse using the native JSON parser first if (global.JSON && JSON.parse) { return JSON.parse(data); }
if (rvalidchars.test(data.replace(rvalidescape, ‘@‘) .replace(rvalidtokens, ‘]‘) .replace(rvalidbraces, ‘‘))) { return (new Function(‘return ‘ + data))(); }};}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{}],33:[function(_dereq_,module,exports){/** * Compiles a querystring * Returns string representation of the object * * @param {Object} * @api private */
exports.encode = function (obj) { var str = ‘‘;
for (var i in obj) { if (obj.hasOwnProperty(i)) { if (str.length) str += ‘&‘; str += encodeURIComponent(i) + ‘=‘ + encodeURIComponent(obj[i]); } }
return str;};
/** * Parses a simple querystring into an object * * @param {String} qs * @api private */
exports.decode = function(qs){ var qry = {}; var pairs = qs.split(‘&‘); for (var i = 0, l = pairs.length; i < l; i++) { var pair = pairs[i].split(‘=‘); qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); } return qry;};
},{}],34:[function(_dereq_,module,exports){/** * Parses an URI * * @author Steven Levithan <stevenlevithan.com> (MIT license) * @api private */
var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)[email protected])?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
var parts = [ ‘source‘, ‘protocol‘, ‘authority‘, ‘userInfo‘, ‘user‘, ‘password‘, ‘host‘, ‘port‘, ‘relative‘, ‘path‘, ‘directory‘, ‘file‘, ‘query‘, ‘anchor‘];
module.exports = function parseuri(str) { var src = str, b = str.indexOf(‘[‘), e = str.indexOf(‘]‘);
if (b != -1 && e != -1) { str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ‘;‘) + str.substring(e, str.length); }
var m = re.exec(str || ‘‘), uri = {}, i = 14;
while (i--) { uri[parts[i]] = m[i] || ‘‘; }
if (b != -1 && e != -1) { uri.source = src; uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ‘:‘); uri.authority = uri.authority.replace(‘[‘, ‘‘).replace(‘]‘, ‘‘).replace(/;/g, ‘:‘); uri.ipv6uri = true; }
return uri;};
},{}],35:[function(_dereq_,module,exports){
/** * Module dependencies. */
var global = (function() { return this; })();
/** * WebSocket constructor. */
var WebSocket = global.WebSocket || global.MozWebSocket;
/** * Module exports. */
module.exports = WebSocket ? ws : null;
/** * WebSocket constructor. * * The third `opts` options object gets ignored in web browsers, since it‘s * non-standard, and throws a TypeError if passed to the constructor. * See: https://github.com/einaros/ws/issues/227 * * @param {String} uri * @param {Array} protocols (optional) * @param {Object) opts (optional) * @api public */
function ws(uri, protocols, opts) { var instance; if (protocols) { instance = new WebSocket(uri, protocols); } else { instance = new WebSocket(uri); } return instance;}
if (WebSocket) ws.prototype = WebSocket.prototype;
},{}],36:[function(_dereq_,module,exports){(function (global){
/* * Module requirements. */
var isArray = _dereq_(‘isarray‘);
/** * Module exports. */
module.exports = hasBinary;
/** * Checks for binary data. * * Right now only Buffer and ArrayBuffer are supported.. * * @param {Object} anything * @api public */
function hasBinary(data) {
function _hasBinary(obj) { if (!obj) return false;
if ( (global.Buffer && global.Buffer.isBuffer(obj)) || (global.ArrayBuffer && obj instanceof ArrayBuffer) || (global.Blob && obj instanceof Blob) || (global.File && obj instanceof File) ) { return true; }
if (isArray(obj)) { for (var i = 0; i < obj.length; i++) { if (_hasBinary(obj[i])) { return true; } } } else if (obj && ‘object‘ == typeof obj) { if (obj.toJSON) { obj = obj.toJSON(); }
for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) { return true; } } }
return false; }
return _hasBinary(data);}
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{"isarray":37}],37:[function(_dereq_,module,exports){module.exports = Array.isArray || function (arr) { return Object.prototype.toString.call(arr) == ‘[object Array]‘;};
},{}],38:[function(_dereq_,module,exports){
/** * Module dependencies. */
var global = _dereq_(‘global‘);
/** * Module exports. * * Logic borrowed from Modernizr: * * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js */
try { module.exports = ‘XMLHttpRequest‘ in global && ‘withCredentials‘ in new global.XMLHttpRequest();} catch (err) { // if XMLHttp support is disabled in IE then it will throw // when trying to create module.exports = false;}
},{"global":39}],39:[function(_dereq_,module,exports){
/** * Returns `this`. Execute this without a "context" (i.e. without it being * attached to an object of the left-hand side), and `this` points to the * "global" scope of the current JS execution. */
module.exports = (function () { return this; })();
},{}],40:[function(_dereq_,module,exports){
var indexOf = [].indexOf;
module.exports = function(arr, obj){ if (indexOf) return arr.indexOf(obj); for (var i = 0; i < arr.length; ++i) { if (arr[i] === obj) return i; } return -1;};},{}],41:[function(_dereq_,module,exports){
/** * HOP ref. */
var has = Object.prototype.hasOwnProperty;
/** * Return own keys in `obj`. * * @param {Object} obj * @return {Array} * @api public */
exports.keys = Object.keys || function(obj){ var keys = []; for (var key in obj) { if (has.call(obj, key)) { keys.push(key); } } return keys;};
/** * Return own values in `obj`. * * @param {Object} obj * @return {Array} * @api public */
exports.values = function(obj){ var vals = []; for (var key in obj) { if (has.call(obj, key)) { vals.push(obj[key]); } } return vals;};
/** * Merge `b` into `a`. * * @param {Object} a * @param {Object} b * @return {Object} a * @api public */
exports.merge = function(a, b){ for (var key in b) { if (has.call(b, key)) { a[key] = b[key]; } } return a;};
/** * Return length of `obj`. * * @param {Object} obj * @return {Number} * @api public */
exports.length = function(obj){ return exports.keys(obj).length;};
/** * Check if `obj` is empty. * * @param {Object} obj * @return {Boolean} * @api public */
exports.isEmpty = function(obj){ return 0 == exports.length(obj);};},{}],42:[function(_dereq_,module,exports){/** * Parses an URI * * @author Steven Levithan <stevenlevithan.com> (MIT license) * @api private */
var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)[email protected])?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
var parts = [ ‘source‘, ‘protocol‘, ‘authority‘, ‘userInfo‘, ‘user‘, ‘password‘, ‘host‘ , ‘port‘, ‘relative‘, ‘path‘, ‘directory‘, ‘file‘, ‘query‘, ‘anchor‘];
module.exports = function parseuri(str) { var m = re.exec(str || ‘‘) , uri = {} , i = 14;
while (i--) { uri[parts[i]] = m[i] || ‘‘; }
return uri;};
},{}],43:[function(_dereq_,module,exports){(function (global){/*global Blob,File*/
/** * Module requirements */
var isArray = _dereq_(‘isarray‘);var isBuf = _dereq_(‘./is-buffer‘);
/** * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder. * Anything with blobs or files should be fed through removeBlobs before coming * here. * * @param {Object} packet - socket.io event packet * @return {Object} with deconstructed packet and list of buffers * @api public */
exports.deconstructPacket = function(packet){ var buffers = []; var packetData = packet.data;
function _deconstructPacket(data) { if (!data) return data;
if (isBuf(data)) { var placeholder = { _placeholder: true, num: buffers.length }; buffers.push(data); return placeholder; } else if (isArray(data)) { var newData = new Array(data.length); for (var i = 0; i < data.length; i++) { newData[i] = _deconstructPacket(data[i]); } return newData; } else if (‘object‘ == typeof data && !(data instanceof Date)) { var newData = {}; for (var key in data) { newData[key] = _deconstructPacket(data[key]); } return newData; } return data; }
var pack = packet; pack.data = _deconstructPacket(packetData); pack.attachments = buffers.length; // number of binary ‘attachments‘ return {packet: pack, buffers: buffers};};
/** * Reconstructs a binary packet from its placeholder packet and buffers * * @param {Object} packet - event packet with placeholders * @param {Array} buffers - binary buffers to put in placeholder positions * @return {Object} reconstructed packet * @api public */
exports.reconstructPacket = function(packet, buffers) { var curPlaceHolder = 0;
function _reconstructPacket(data) { if (data && data._placeholder) { var buf = buffers[data.num]; // appropriate buffer (should be natural order anyway) return buf; } else if (isArray(data)) { for (var i = 0; i < data.length; i++) { data[i] = _reconstructPacket(data[i]); } return data; } else if (data && ‘object‘ == typeof data) { for (var key in data) { data[key] = _reconstructPacket(data[key]); } return data; } return data; }
packet.data = _reconstructPacket(packet.data); packet.attachments = undefined; // no longer useful return packet;};
/** * Asynchronously removes Blobs or Files from data via * FileReader‘s readAsArrayBuffer method. Used before encoding * data as msgpack. Calls callback with the blobless data. * * @param {Object} data * @param {Function} callback * @api private */
exports.removeBlobs = function(data, callback) { function _removeBlobs(obj, curKey, containingObject) { if (!obj) return obj;
// convert any blob if ((global.Blob && obj instanceof Blob) || (global.File && obj instanceof File)) { pendingBlobs++;
// async filereader var fileReader = new FileReader(); fileReader.onload = function() { // this.result == arraybuffer if (containingObject) { containingObject[curKey] = this.result; } else { bloblessData = this.result; }
// if nothing pending its callback time if(! --pendingBlobs) { callback(bloblessData); } };
fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer } else if (isArray(obj)) { // handle array for (var i = 0; i < obj.length; i++) { _removeBlobs(obj[i], i, obj); } } else if (obj && ‘object‘ == typeof obj && !isBuf(obj)) { // and object for (var key in obj) { _removeBlobs(obj[key], key, obj); } } }
var pendingBlobs = 0; var bloblessData = data; _removeBlobs(bloblessData); if (!pendingBlobs) { callback(bloblessData); }};
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{"./is-buffer":45,"isarray":46}],44:[function(_dereq_,module,exports){
/** * Module dependencies. */
var debug = _dereq_(‘debug‘)(‘socket.io-parser‘);var json = _dereq_(‘json3‘);var isArray = _dereq_(‘isarray‘);var Emitter = _dereq_(‘component-emitter‘);var binary = _dereq_(‘./binary‘);var isBuf = _dereq_(‘./is-buffer‘);
/** * Protocol version. * * @api public */
exports.protocol = 4;
/** * Packet types. * * @api public */
exports.types = [ ‘CONNECT‘, ‘DISCONNECT‘, ‘EVENT‘, ‘BINARY_EVENT‘, ‘ACK‘, ‘BINARY_ACK‘, ‘ERROR‘];
/** * Packet type `connect`. * * @api public */
exports.CONNECT = 0;
/** * Packet type `disconnect`. * * @api public */
exports.DISCONNECT = 1;
/** * Packet type `event`. * * @api public */
exports.EVENT = 2;
/** * Packet type `ack`. * * @api public */
exports.ACK = 3;
/** * Packet type `error`. * * @api public */
exports.ERROR = 4;
/** * Packet type ‘binary event‘ * * @api public */
exports.BINARY_EVENT = 5;
/** * Packet type `binary ack`. For acks with binary arguments. * * @api public */
exports.BINARY_ACK = 6;
/** * Encoder constructor. * * @api public */
exports.Encoder = Encoder;
/** * Decoder constructor. * * @api public */
exports.Decoder = Decoder;
/** * A socket.io Encoder instance * * @api public */
function Encoder() {}
/** * Encode a packet as a single string if non-binary, or as a * buffer sequence, depending on packet type. * * @param {Object} obj - packet object * @param {Function} callback - function to handle encodings (likely engine.write) * @return Calls callback with Array of encodings * @api public */
Encoder.prototype.encode = function(obj, callback){ debug(‘encoding packet %j‘, obj);
if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) { encodeAsBinary(obj, callback); } else { var encoding = encodeAsString(obj); callback([encoding]); }};
/** * Encode packet as string. * * @param {Object} packet * @return {String} encoded * @api private */
function encodeAsString(obj) { var str = ‘‘; var nsp = false;
// first is type str += obj.type;
// attachments if we have them if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) { str += obj.attachments; str += ‘-‘; }
// if we have a namespace other than `/` // we append it followed by a comma `,` if (obj.nsp && ‘/‘ != obj.nsp) { nsp = true; str += obj.nsp; }
// immediately followed by the id if (null != obj.id) { if (nsp) { str += ‘,‘; nsp = false; } str += obj.id; }
// json data if (null != obj.data) { if (nsp) str += ‘,‘; str += json.stringify(obj.data); }
debug(‘encoded %j as %s‘, obj, str); return str;}
/** * Encode packet as ‘buffer sequence‘ by removing blobs, and * deconstructing packet into object with placeholders and * a list of buffers. * * @param {Object} packet * @return {Buffer} encoded * @api private */
function encodeAsBinary(obj, callback) {
function writeEncoding(bloblessData) { var deconstruction = binary.deconstructPacket(bloblessData); var pack = encodeAsString(deconstruction.packet); var buffers = deconstruction.buffers;
buffers.unshift(pack); // add packet info to beginning of data list callback(buffers); // write all the buffers }
binary.removeBlobs(obj, writeEncoding);}
/** * A socket.io Decoder instance * * @return {Object} decoder * @api public */
function Decoder() { this.reconstructor = null;}
/** * Mix in `Emitter` with Decoder. */
Emitter(Decoder.prototype);
/** * Decodes an ecoded packet string into packet JSON. * * @param {String} obj - encoded packet * @return {Object} packet * @api public */
Decoder.prototype.add = function(obj) { var packet; if (‘string‘ == typeof obj) { packet = decodeString(obj); if (exports.BINARY_EVENT == packet.type || exports.BINARY_ACK == packet.type) { // binary packet‘s json this.reconstructor = new BinaryReconstructor(packet);
// no attachments, labeled binary but no binary data to follow if (this.reconstructor.reconPack.attachments === 0) { this.emit(‘decoded‘, packet); } } else { // non-binary full packet this.emit(‘decoded‘, packet); } } else if (isBuf(obj) || obj.base64) { // raw binary data if (!this.reconstructor) { throw new Error(‘got binary data when not reconstructing a packet‘); } else { packet = this.reconstructor.takeBinaryData(obj); if (packet) { // received final buffer this.reconstructor = null; this.emit(‘decoded‘, packet); } } } else { throw new Error(‘Unknown type: ‘ + obj); }};
/** * Decode a packet String (JSON data) * * @param {String} str * @return {Object} packet * @api private */
function decodeString(str) { var p = {}; var i = 0;
// look up type p.type = Number(str.charAt(0)); if (null == exports.types[p.type]) return error();
// look up attachments if type binary if (exports.BINARY_EVENT == p.type || exports.BINARY_ACK == p.type) { var buf = ‘‘; while (str.charAt(++i) != ‘-‘) { buf += str.charAt(i); if (i == str.length) break; } if (buf != Number(buf) || str.charAt(i) != ‘-‘) { throw new Error(‘Illegal attachments‘); } p.attachments = Number(buf); }
// look up namespace (if any) if (‘/‘ == str.charAt(i + 1)) { p.nsp = ‘‘; while (++i) { var c = str.charAt(i); if (‘,‘ == c) break; p.nsp += c; if (i == str.length) break; } } else { p.nsp = ‘/‘; }
// look up id var next = str.charAt(i + 1); if (‘‘ !== next && Number(next) == next) { p.id = ‘‘; while (++i) { var c = str.charAt(i); if (null == c || Number(c) != c) { --i; break; } p.id += str.charAt(i); if (i == str.length) break; } p.id = Number(p.id); }
// look up json data if (str.charAt(++i)) { try { p.data = json.parse(str.substr(i)); } catch(e){ return error(); } }
debug(‘decoded %s as %j‘, str, p); return p;}
/** * Deallocates a parser‘s resources * * @api public */
Decoder.prototype.destroy = function() { if (this.reconstructor) { this.reconstructor.finishedReconstruction(); }};
/** * A manager of a binary event‘s ‘buffer sequence‘. Should * be constructed whenever a packet of type BINARY_EVENT is * decoded. * * @param {Object} packet * @return {BinaryReconstructor} initialized reconstructor * @api private */
function BinaryReconstructor(packet) { this.reconPack = packet; this.buffers = [];}
/** * Method to be called when binary data received from connection * after a BINARY_EVENT packet. * * @param {Buffer | ArrayBuffer} binData - the raw binary data received * @return {null | Object} returns null if more binary data is expected or * a reconstructed packet object if all buffers have been received. * @api private */
BinaryReconstructor.prototype.takeBinaryData = function(binData) { this.buffers.push(binData); if (this.buffers.length == this.reconPack.attachments) { // done with buffer list var packet = binary.reconstructPacket(this.reconPack, this.buffers); this.finishedReconstruction(); return packet; } return null;};
/** * Cleans up binary packet reconstruction variables. * * @api private */
BinaryReconstructor.prototype.finishedReconstruction = function() { this.reconPack = null; this.buffers = [];};
function error(data){ return { type: exports.ERROR, data: ‘parser error‘ };}
},{"./binary":43,"./is-buffer":45,"component-emitter":9,"debug":10,"isarray":46,"json3":47}],45:[function(_dereq_,module,exports){(function (global){
module.exports = isBuf;
/** * Returns true if obj is a buffer or an arraybuffer. * * @api private */
function isBuf(obj) { return (global.Buffer && global.Buffer.isBuffer(obj)) || (global.ArrayBuffer && obj instanceof ArrayBuffer);}
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})},{}],46:[function(_dereq_,module,exports){module.exports=_dereq_(37)},{}],47:[function(_dereq_,module,exports){/*! JSON v3.2.6 | http://bestiejs.github.io/json3 | Copyright 2012-2013, Kit Cambridge | http://kit.mit-license.org */;(function (window) { // Convenience aliases. var getClass = {}.toString, isProperty, forEach, undef;
// 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;
// Detect native implementations. var nativeJSON = typeof JSON == "object" && JSON;
// Set up the JSON 3 namespace, preferring the CommonJS `exports` object if // available. var JSON3 = typeof exports == "object" && exports && !exports.nodeType && exports;
if (JSON3 && nativeJSON) { // Explicitly delegate to the native `stringify` and `parse` // implementations in CommonJS environments. JSON3.stringify = nativeJSON.stringify; JSON3.parse = nativeJSON.parse; } else { // Export for web browsers, JavaScript engines, and asynchronous module // loaders, using the global `JSON` object if available. JSON3 = window.JSON = nativeJSON || {}; }
// 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 = JSON3.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 = JSON3.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]"; var dateClass = "[object Date]"; var numberClass = "[object Number]"; var stringClass = "[object String]"; var arrayClass = "[object Array]"; var 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 = {}.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: A set of primitive types used by `isHostType`. var PrimitiveTypes = { ‘boolean‘: 1, ‘number‘: 1, ‘string‘: 1, ‘undefined‘: 1 };
// Internal: Determines if the given object `property` value is a // non-primitive. var isHostType = function (object, property) { var type = typeof object[property]; return type == ‘object‘ ? !!object[property] : !PrimitiveTypes[type]; };
// 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‘ && isHostType(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, isLarge = length > 10 && charIndexBuggy, symbols; if (isLarge) { symbols = value.split(""); } 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 += isLarge ? symbols[index] : charIndexBuggy ? value.charAt(index) : value[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. JSON3.stringify = function (source, filter, width) { var whitespace, callback, properties, className; if (typeof filter == "function" || typeof filter == "object" && 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. JSON3.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; }; } }
// Export for asynchronous module loaders. if (isLoader) { define(function () { return JSON3; }); }}(this));
},{}],48:[function(_dereq_,module,exports){module.exports = toArray
function toArray(list, index) { var array = []
index = index || 0
for (var i = index || 0; i < list.length; i++) { array[i - index] = list[i] }
return array}
},{}]},{},[1])(1)});
原文地址：https://www.cnblogs.com/yinhao-jack/p/10298012.html
时间： 2024-08-02 15:59:12