node.js之socket.io编程
来源：互联网 发布：qq飞车大黄蜂高改数据 编辑：程序博客网 时间：2024/06/05 19:58
1.package.json
{ "name": "hello-world", "description": "hello world test app", "version": "0.0.1", "private": true, "dependencies": { "body-parser": "^1.18.2", "express": "^4.16.2", "hbs": "^4.0.1" }}2.server.jsvar express = require('express'); var app = express();var server = require('http').createServer(app);var io = require('socket.io')(server);app.use('/', express.static(__dirname + '/public')); server.listen(8081);//socket部分io.on('connection', function(socket) { console.log('client connect'); //接收并处理客户端的hi事件 socket.on('hi', function(data) { console.log(data); //触发客户端事件c_hi socket.emit('c_hi','hello too!') }) //断开事件 socket.on('disconnect', function(data) { console.log('断开',data) socket.emit('c_leave','离开'); //socket.broadcast用于向整个网络广播(除自己之外) //socket.broadcast.emit('c_leave','某某人离开了') })});3.public/index.html<!DOCTYPE html><html><head> <title>socket</title></head><body><button id="sendBtn">发送消息</button><button id="leaveBtn">离开</button></body><script type="text/javascript" src="./socket.io.js"></script><script type="text/javascript"> var socket=io.connect('127.0.0.1:8081');//与服务器进行连接 send=document.getElementById('sendBtn'); leave=document.getElementById('leaveBtn'); send.onclick=function(){ // alert('say hi to server') socket.emit('hi', 'hello!'); } leave.onclick=function(){ window.location.href="about:blank"; window.close() socket.emit('leave', 'leave'); } //接收来自服务端的信息事件c_hi socket.on('c_hi',function(msg){ alert(msg) }) // socket.on('c_leave',function(msg){ // alert(msg) // })</script></html>4.public/socket.io.js(function webpackUniversalModuleDefinition(root, factory) {if(typeof exports === 'object' && typeof module === 'object')module.exports = factory();else if(typeof define === 'function' && define.amd)define([], factory);else if(typeof exports === 'object')exports["io"] = factory();elseroot["io"] = factory();})(this, function() {return /******/ (function(modules) { // webpackBootstrap/******/ // The module cache/******/ var installedModules = {};/******/ // The require function/******/ function __webpack_require__(moduleId) {/******/ // Check if module is in cache/******/ if(installedModules[moduleId])/******/ return installedModules[moduleId].exports;/******/ // Create a new module (and put it into the cache)/******/ var module = installedModules[moduleId] = {/******/ exports: {},/******/ id: moduleId,/******/ loaded: false/******/ };/******/ // Execute the module function/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);/******/ // Flag the module as loaded/******/ module.loaded = true;/******/ // Return the exports of the module/******/ return module.exports;/******/ }/******/ // expose the modules object (__webpack_modules__)/******/ __webpack_require__.m = modules;/******/ // expose the module cache/******/ __webpack_require__.c = installedModules;/******/ // __webpack_public_path__/******/ __webpack_require__.p = "";/******/ // Load entry module and return exports/******/ return __webpack_require__(0);/******/ })/************************************************************************//******/ ([/* 0 *//***/ function(module, exports, __webpack_require__) {'use strict';var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };/** * Module dependencies. */var url = __webpack_require__(1);var parser = __webpack_require__(7);var Manager = __webpack_require__(17);var debug = __webpack_require__(3)('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 === 'undefined' ? 'undefined' : _typeof(uri)) === 'object') { opts = uri; uri = undefined; } opts = opts || {}; var parsed = url(uri); var source = parsed.source; var id = parsed.id; var path = parsed.path; var sameNamespace = cache[id] && path in cache[id].nsps; var newConnection = opts.forceNew || opts['force new connection'] || false === opts.multiplex || sameNamespace; var io; if (newConnection) { 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]; } if (parsed.query && !opts.query) { opts.query = parsed.query; } else if (opts && 'object' === _typeof(opts.query)) { opts.query = encodeQueryString(opts.query); } return io.socket(parsed.path, opts);}/** * Helper method to parse query objects to string. * @param {object} query * @returns {string} */function encodeQueryString(obj) { var str = []; for (var p in obj) { if (obj.hasOwnProperty(p)) { str.push(encodeURIComponent(p) + '=' + encodeURIComponent(obj[p])); } } return str.join('&');}/** * 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 = __webpack_require__(17);exports.Socket = __webpack_require__(44);/***/ },/* 1 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {'use strict';/** * Module dependencies. */var parseuri = __webpack_require__(2);var debug = __webpack_require__(3)('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 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.host + 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 || '/'; var ipv6 = obj.host.indexOf(':') !== -1; var host = ipv6 ? '[' + obj.host + ']' : obj.host; // define unique id obj.id = obj.protocol + '://' + host + ':' + obj.port; // define href obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : ':' + obj.port); return obj;}/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 2 *//***/ function(module, exports) {/** * Parses an URI * * @author Steven Levithan <stevenlevithan.com> (MIT license) * @api private */var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;var parts = [ 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'];module.exports = function parseuri(str) { var src = str, b = str.indexOf('['), e = str.indexOf(']'); if (b != -1 && e != -1) { str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); } var m = re.exec(str || ''), uri = {}, i = 14; while (i--) { uri[parts[i]] = m[i] || ''; } if (b != -1 && e != -1) { uri.source = src; uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); uri.ipv6uri = true; } return uri;};/***/ },/* 3 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(process) {/** * This is the web browser implementation of `debug()`. * * Expose `debug()` as the module. */exports = module.exports = __webpack_require__(5);exports.log = log;exports.formatArgs = formatArgs;exports.save = save;exports.load = load;exports.useColors = useColors;exports.storage = 'undefined' != typeof chrome && 'undefined' != typeof chrome.storage ? chrome.storage.local : localstorage();/** * Colors. */exports.colors = [ 'lightseagreen', 'forestgreen', 'goldenrod', 'dodgerblue', 'darkorchid', 'crimson'];/** * Currently only WebKit-based Web Inspectors, Firefox >= v31, * and the Firebug extension (any Firefox version) are known * to support "%c" CSS customizations. * * TODO: add a `localStorage` variable to explicitly enable/disable colors */function useColors() { // is webkit? http://stackoverflow.com/a/16459606/376773 // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 return (typeof document !== 'undefined' && '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) { try { return JSON.stringify(v); } catch (err) { return '[UnexpectedJSONParseError]: ' + err.message; }};/** * 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 IE8/9, where // the `console.log` function doesn't have 'apply' return 'object' === typeof console && console.log && Function.prototype.apply.call(console.log, console, arguments);}/** * Save `namespaces`. * * @param {String} namespaces * @api private */function save(namespaces) { try { if (null == namespaces) { exports.storage.removeItem('debug'); } else { exports.storage.debug = namespaces; } } catch(e) {}}/** * Load `namespaces`. * * @return {String} returns the previously persisted debug modes * @api private */function load() { var r; try { return exports.storage.debug; } catch(e) {} // If debug isn't set in LS, and we're in Electron, try to load $DEBUG if (typeof process !== 'undefined' && 'env' in process) { return process.env.DEBUG; }}/** * Enable namespaces listed in `localStorage.debug` initially. */exports.enable(load());/** * Localstorage attempts to return the localstorage. * * This is necessary because safari throws * when a user disables cookies/localstorage * and you attempt to access it. * * @return {LocalStorage} * @api private */function localstorage(){ try { return window.localStorage; } catch (e) {}}/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(4)))/***/ },/* 4 *//***/ function(module, exports) {// shim for using process in browservar process = module.exports = {};// cached from whatever global is present so that test runners that stub it// don't break things. But we need to wrap it in a try catch in case it is// wrapped in strict mode code which doesn't define any globals. It's inside a// function because try/catches deoptimize in certain engines.var cachedSetTimeout;var cachedClearTimeout;function defaultSetTimout() { throw new Error('setTimeout has not been defined');}function defaultClearTimeout () { throw new Error('clearTimeout has not been defined');}(function () { try { if (typeof setTimeout === 'function') { cachedSetTimeout = setTimeout; } else { cachedSetTimeout = defaultSetTimout; } } catch (e) { cachedSetTimeout = defaultSetTimout; } try { if (typeof clearTimeout === 'function') { cachedClearTimeout = clearTimeout; } else { cachedClearTimeout = defaultClearTimeout; } } catch (e) { cachedClearTimeout = defaultClearTimeout; }} ())function runTimeout(fun) { if (cachedSetTimeout === setTimeout) { //normal enviroments in sane situations return setTimeout(fun, 0); } // if setTimeout wasn't available but was latter defined if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { cachedSetTimeout = setTimeout; return setTimeout(fun, 0); } try { // when when somebody has screwed with setTimeout but no I.E. maddness return cachedSetTimeout(fun, 0); } catch(e){ try { // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally return cachedSetTimeout.call(null, fun, 0); } catch(e){ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error return cachedSetTimeout.call(this, fun, 0); } }}function runClearTimeout(marker) { if (cachedClearTimeout === clearTimeout) { //normal enviroments in sane situations return clearTimeout(marker); } // if clearTimeout wasn't available but was latter defined if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { cachedClearTimeout = clearTimeout; return clearTimeout(marker); } try { // when when somebody has screwed with setTimeout but no I.E. maddness return cachedClearTimeout(marker); } catch (e){ try { // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally return cachedClearTimeout.call(null, marker); } catch (e){ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. // Some versions of I.E. have different rules for clearTimeout vs setTimeout return cachedClearTimeout.call(this, marker); } }}var queue = [];var draining = false;var currentQueue;var queueIndex = -1;function cleanUpNextTick() { if (!draining || !currentQueue) { return; } draining = false; if (currentQueue.length) { queue = currentQueue.concat(queue); } else { queueIndex = -1; } if (queue.length) { drainQueue(); }}function drainQueue() { if (draining) { return; } var timeout = runTimeout(cleanUpNextTick); draining = true; var len = queue.length; while(len) { currentQueue = queue; queue = []; while (++queueIndex < len) { if (currentQueue) { currentQueue[queueIndex].run(); } } queueIndex = -1; len = queue.length; } currentQueue = null; draining = false; runClearTimeout(timeout);}process.nextTick = function (fun) { var args = new Array(arguments.length - 1); if (arguments.length > 1) { for (var i = 1; i < arguments.length; i++) { args[i - 1] = arguments[i]; } } queue.push(new Item(fun, args)); if (queue.length === 1 && !draining) { runTimeout(drainQueue); }};// v8 likes predictible objectsfunction Item(fun, array) { this.fun = fun; this.array = array;}Item.prototype.run = function () { this.fun.apply(null, this.array);};process.title = 'browser';process.browser = true;process.env = {};process.argv = [];process.version = ''; // empty string to avoid regexp issuesprocess.versions = {};function noop() {}process.on = noop;process.addListener = noop;process.once = noop;process.off = noop;process.removeListener = noop;process.removeAllListeners = noop;process.emit = noop;process.binding = function (name) { throw new Error('process.binding is not supported');};process.cwd = function () { return '/' };process.chdir = function (dir) { throw new Error('process.chdir is not supported');};process.umask = function() { return 0; };/***/ },/* 5 *//***/ function(module, exports, __webpack_require__) {/** * This is the common logic for both the Node.js and web browser * implementations of `debug()`. * * Expose `debug()` as the module. */exports = module.exports = debug.debug = debug;exports.coerce = coerce;exports.disable = disable;exports.enable = enable;exports.enabled = enabled;exports.humanize = __webpack_require__(6);/** * 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 = new Array(arguments.length); for (var i = 0; i < args.length; i++) { args[i] = arguments[i]; } args[0] = exports.coerce(args[0]); if ('string' !== typeof args[0]) { // anything else let's inspect with %o args = ['%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; }); // apply env-specific formatting 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, '\\$&').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;}/***/ },/* 6 *//***/ function(module, exports) {/** * Helpers. */var s = 1000var m = s * 60var h = m * 60var d = h * 24var y = d * 365.25/** * Parse or format the given `val`. * * Options: * * - `long` verbose formatting [false] * * @param {String|Number} val * @param {Object} options * @throws {Error} throw an error if val is not a non-empty string or a number * @return {String|Number} * @api public */module.exports = function (val, options) { options = options || {} var type = typeof val if (type === 'string' && val.length > 0) { return parse(val) } else if (type === 'number' && isNaN(val) === false) { return options.long ?fmtLong(val) :fmtShort(val) } throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val))}/** * Parse the given `str` and return milliseconds. * * @param {String} str * @return {Number} * @api private */function parse(str) { str = String(str) if (str.length > 10000) { return } var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str) if (!match) { return } var n = parseFloat(match[1]) var type = (match[2] || 'ms').toLowerCase() switch (type) { case 'years': case 'year': case 'yrs': case 'yr': case 'y': return n * y case 'days': case 'day': case 'd': return n * d case 'hours': case 'hour': case 'hrs': case 'hr': case 'h': return n * h case 'minutes': case 'minute': case 'mins': case 'min': case 'm': return n * m case 'seconds': case 'second': case 'secs': case 'sec': case 's': return n * s case 'milliseconds': case 'millisecond': case 'msecs': case 'msec': case 'ms': return n default: return undefined }}/** * Short format for `ms`. * * @param {Number} ms * @return {String} * @api private */function fmtShort(ms) { if (ms >= d) { return Math.round(ms / d) + 'd' } if (ms >= h) { return Math.round(ms / h) + 'h' } if (ms >= m) { return Math.round(ms / m) + 'm' } if (ms >= s) { return Math.round(ms / s) + 's' } return ms + 'ms'}/** * Long format for `ms`. * * @param {Number} ms * @return {String} * @api private */function fmtLong(ms) { return plural(ms, d, 'day') || plural(ms, h, 'hour') || plural(ms, m, 'minute') || plural(ms, s, 'second') || ms + ' ms'}/** * Pluralization helper. */function plural(ms, n, name) { if (ms < n) { return } if (ms < n * 1.5) { return Math.floor(ms / n) + ' ' + name } return Math.ceil(ms / n) + ' ' + name + 's'}/***/ },/* 7 *//***/ function(module, exports, __webpack_require__) {/** * Module dependencies. */var debug = __webpack_require__(8)('socket.io-parser');var json = __webpack_require__(11);var Emitter = __webpack_require__(13);var binary = __webpack_require__(14);var isBuf = __webpack_require__(16);/** * Protocol version. * * @api public */exports.protocol = 4;/** * Packet types. * * @api public */exports.types = [ 'CONNECT', 'DISCONNECT', 'EVENT', 'ACK', 'ERROR', 'BINARY_EVENT', 'BINARY_ACK'];/** * 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)) { p = tryParse(p, str.substr(i)); } debug('decoded %s as %j', str, p); return p;}function tryParse(p, str) { try { p.data = json.parse(str); } catch(e){ return error(); } 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' };}/***/ },/* 8 *//***/ function(module, exports, __webpack_require__) {/** * This is the web browser implementation of `debug()`. * * Expose `debug()` as the module. */exports = module.exports = __webpack_require__(9);exports.log = log;exports.formatArgs = formatArgs;exports.save = save;exports.load = load;exports.useColors = useColors;exports.storage = 'undefined' != typeof chrome && 'undefined' != typeof chrome.storage ? chrome.storage.local : localstorage();/** * Colors. */exports.colors = [ 'lightseagreen', 'forestgreen', 'goldenrod', 'dodgerblue', 'darkorchid', 'crimson'];/** * Currently only WebKit-based Web Inspectors, Firefox >= v31, * and the Firebug extension (any Firefox version) are known * to support "%c" CSS customizations. * * TODO: add a `localStorage` variable to explicitly enable/disable colors */function useColors() { // 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 IE8/9, where // the `console.log` function doesn't have 'apply' return 'object' === typeof console && console.log && Function.prototype.apply.call(console.log, console, arguments);}/** * Save `namespaces`. * * @param {String} namespaces * @api private */function save(namespaces) { try { if (null == namespaces) { exports.storage.removeItem('debug'); } else { exports.storage.debug = namespaces; } } catch(e) {}}/** * Load `namespaces`. * * @return {String} returns the previously persisted debug modes * @api private */function load() { var r; try { r = exports.storage.debug; } catch(e) {} return r;}/** * Enable namespaces listed in `localStorage.debug` initially. */exports.enable(load());/** * Localstorage attempts to return the localstorage. * * This is necessary because safari throws * when a user disables cookies/localstorage * and you attempt to access it. * * @return {LocalStorage} * @api private */function localstorage(){ try { return window.localStorage; } catch (e) {}}/***/ },/* 9 *//***/ function(module, exports, __webpack_require__) {/** * This is the common logic for both the Node.js and web browser * implementations of `debug()`. * * Expose `debug()` as the module. */exports = module.exports = debug;exports.coerce = coerce;exports.disable = disable;exports.enable = enable;exports.enabled = enabled;exports.humanize = __webpack_require__(10);/** * 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 + '$')); } }}/** * Disable debug output. * * @api public */function disable() { exports.enable('');}/** * Returns true if the given mode name is enabled, false otherwise. * * @param {String} name * @return {Boolean} * @api public */function enabled(name) { var i, len; for (i = 0, len = exports.skips.length; i < len; i++) { if (exports.skips[i].test(name)) { return false; } } for (i = 0, len = exports.names.length; i < len; i++) { if (exports.names[i].test(name)) { return true; } } return false;}/** * Coerce `val`. * * @param {Mixed} val * @return {Mixed} * @api private */function coerce(val) { if (val instanceof Error) return val.stack || val.message; return val;}/***/ },/* 10 *//***/ function(module, exports) {/** * Helpers. */var s = 1000;var m = s * 60;var h = m * 60;var d = h * 24;var y = d * 365.25;/** * Parse or format the given `val`. * * Options: * * - `long` verbose formatting [false] * * @param {String|Number} val * @param {Object} options * @return {String|Number} * @api public */module.exports = function(val, options){ options = options || {}; if ('string' == typeof val) return parse(val); return options.long ? long(val) : short(val);};/** * Parse the given `str` and return milliseconds. * * @param {String} str * @return {Number} * @api private */function parse(str) { str = '' + str; if (str.length > 10000) return; var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str); if (!match) return; var n = parseFloat(match[1]); var type = (match[2] || 'ms').toLowerCase(); switch (type) { case 'years': case 'year': case 'yrs': case 'yr': case 'y': return n * y; case 'days': case 'day': case 'd': return n * d; case 'hours': case 'hour': case 'hrs': case 'hr': case 'h': return n * h; case 'minutes': case 'minute': case 'mins': case 'min': case 'm': return n * m; case 'seconds': case 'second': case 'secs': case 'sec': case 's': return n * s; case 'milliseconds': case 'millisecond': case 'msecs': case 'msec': case 'ms': return n; }}/** * 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';}/***/ },/* 11 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(module, global) {/*** IMPORTS FROM imports-loader ***/var define = false;/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */;(function () { // Detect the `define` function exposed by asynchronous module loaders. The // strict `define` check is necessary for compatibility with `r.js`. var isLoader = typeof define === "function" && define.amd; // A set of types used to distinguish objects from primitives. var objectTypes = { "function": true, "object": true }; // Detect the `exports` object exposed by CommonJS implementations. var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports; // Use the `global` object exposed by Node (including Browserify via // `insert-module-globals`), Narwhal, and Ringo as the default context, // and the `window` object in browsers. Rhino exports a `global` function // instead. var root = objectTypes[typeof window] && window || this, freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global; if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) { root = freeGlobal; } // Public: Initializes JSON 3 using the given `context` object, attaching the // `stringify` and `parse` functions to the specified `exports` object. function runInContext(context, exports) { context || (context = root["Object"]()); exports || (exports = root["Object"]()); // Native constructor aliases. var Number = context["Number"] || root["Number"], String = context["String"] || root["String"], Object = context["Object"] || root["Object"], Date = context["Date"] || root["Date"], SyntaxError = context["SyntaxError"] || root["SyntaxError"], TypeError = context["TypeError"] || root["TypeError"], Math = context["Math"] || root["Math"], nativeJSON = context["JSON"] || root["JSON"]; // Delegate to the native `stringify` and `parse` implementations. if (typeof nativeJSON == "object" && nativeJSON) { exports.stringify = nativeJSON.stringify; exports.parse = nativeJSON.parse; } // Convenience aliases. var objectProto = Object.prototype, getClass = objectProto.toString, isProperty, forEach, undef; // Test the `Date#getUTC*` methods. Based on work by @Yaffle. var isExtended = new Date(-3509827334573292); try { // The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical // results for certain dates in Opera >= 10.53. isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 && // Safari < 2.0.2 stores the internal millisecond time value correctly, // but clips the values returned by the date methods to the range of // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]). isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708; } catch (exception) {} // Internal: Determines whether the native `JSON.stringify` and `parse` // implementations are spec-compliant. Based on work by Ken Snyder. function has(name) { if (has[name] !== undef) { // Return cached feature test result. return has[name]; } var isSupported; if (name == "bug-string-char-index") { // IE <= 7 doesn't support accessing string characters using square // bracket notation. IE 8 only supports this for primitives. isSupported = "a"[0] != "a"; } else if (name == "json") { // Indicates whether both `JSON.stringify` and `JSON.parse` are // supported. isSupported = has("json-stringify") && has("json-parse"); } else { var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}'; // Test `JSON.stringify`. if (name == "json-stringify") { var stringify = exports.stringify, stringifySupported = typeof stringify == "function" && isExtended; if (stringifySupported) { // A test function object with a custom `toJSON` method. (value = function () { return 1; }).toJSON = value; try { stringifySupported = // Firefox 3.1b1 and b2 serialize string, number, and boolean // primitives as object literals. stringify(0) === "0" && // FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object // literals. stringify(new Number()) === "0" && stringify(new String()) == '""' && // FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or // does not define a canonical JSON representation (this applies to // objects with `toJSON` properties as well, *unless* they are nested // within an object or array). stringify(getClass) === undef && // IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and // FF 3.1b3 pass this test. stringify(undef) === undef && // Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s, // respectively, if the value is omitted entirely. stringify() === undef && // FF 3.1b1, 2 throw an error if the given value is not a number, // string, array, object, Boolean, or `null` literal. This applies to // objects with custom `toJSON` methods as well, unless they are nested // inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON` // methods entirely. stringify(value) === "1" && stringify([value]) == "[1]" && // Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of // `"[null]"`. stringify([undef]) == "[null]" && // YUI 3.0.0b1 fails to serialize `null` literals. stringify(null) == "null" && // FF 3.1b1, 2 halts serialization if an array contains a function: // `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3 // elides non-JSON values from objects and arrays, unless they // define custom `toJSON` methods. stringify([undef, getClass, null]) == "[null,null,null]" && // Simple serialization test. FF 3.1b1 uses Unicode escape sequences // where character escape codes are expected (e.g., `\b` => `\u0008`). stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized && // FF 3.1b1 and b2 ignore the `filter` and `width` arguments. stringify(null, value) === "1" && stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" && // JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly // serialize extended years. stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' && // The milliseconds are optional in ES 5, but required in 5.1. stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' && // Firefox <= 11.0 incorrectly serializes years prior to 0 as negative // four-digit years instead of six-digit years. Credits: @Yaffle. stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' && // Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond // values less than 1000. Credits: @Yaffle. stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"'; } catch (exception) { stringifySupported = false; } } isSupported = stringifySupported; } // Test `JSON.parse`. if (name == "json-parse") { var parse = exports.parse; if (typeof parse == "function") { try { // FF 3.1b1, b2 will throw an exception if a bare literal is provided. // Conforming implementations should also coerce the initial argument to // a string prior to parsing. if (parse("0") === 0 && !parse(false)) { // Simple parsing test. value = parse(serialized); var parseSupported = value["a"].length == 5 && value["a"][0] === 1; if (parseSupported) { try { // Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings. parseSupported = !parse('"\t"'); } catch (exception) {} if (parseSupported) { try { // FF 4.0 and 4.0.1 allow leading `+` signs and leading // decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow // certain octal literals. parseSupported = parse("01") !== 1; } catch (exception) {} } if (parseSupported) { try { // FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal // points. These environments, along with FF 3.1b1 and 2, // also allow trailing commas in JSON objects and arrays. parseSupported = parse("1.") !== 1; } catch (exception) {} } } } } catch (exception) { parseSupported = false; } } isSupported = parseSupported; } } return has[name] = !!isSupported; } if (!has("json")) { // Common `[[Class]]` name aliases. var functionClass = "[object Function]", dateClass = "[object Date]", numberClass = "[object Number]", stringClass = "[object String]", arrayClass = "[object Array]", booleanClass = "[object Boolean]"; // Detect incomplete support for accessing string characters by index. var charIndexBuggy = has("bug-string-char-index"); // Define additional utility methods if the `Date` methods are buggy. if (!isExtended) { var floor = Math.floor; // A mapping between the months of the year and the number of days between // January 1st and the first of the respective month. var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334]; // Internal: Calculates the number of days between the Unix epoch and the // first day of the given month. var getDay = function (year, month) { return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400); }; } // Internal: Determines if a property is a direct property of the given // object. Delegates to the native `Object#hasOwnProperty` method. if (!(isProperty = objectProto.hasOwnProperty)) { isProperty = function (property) { var members = {}, constructor; if ((members.__proto__ = null, members.__proto__ = { // The *proto* property cannot be set multiple times in recent // versions of Firefox and SeaMonkey. "toString": 1 }, members).toString != getClass) { // Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but // supports the mutable *proto* property. isProperty = function (property) { // Capture and break the object's prototype chain (see section 8.6.2 // of the ES 5.1 spec). The parenthesized expression prevents an // unsafe transformation by the Closure Compiler. var original = this.__proto__, result = property in (this.__proto__ = null, this); // Restore the original prototype chain. this.__proto__ = original; return result; }; } else { // Capture a reference to the top-level `Object` constructor. constructor = members.constructor; // Use the `constructor` property to simulate `Object#hasOwnProperty` in // other environments. isProperty = function (property) { var parent = (this.constructor || constructor).prototype; return property in this && !(property in parent && this[property] === parent[property]); }; } members = null; return isProperty.call(this, property); }; } // Internal: Normalizes the `for...in` iteration algorithm across // environments. Each enumerated key is yielded to a `callback` function. forEach = function (object, callback) { var size = 0, Properties, members, property; // Tests for bugs in the current environment's `for...in` algorithm. The // `valueOf` property inherits the non-enumerable flag from // `Object.prototype` in older versions of IE, Netscape, and Mozilla. (Properties = function () { this.valueOf = 0; }).prototype.valueOf = 0; // Iterate over a new instance of the `Properties` class. members = new Properties(); for (property in members) { // Ignore all properties inherited from `Object.prototype`. if (isProperty.call(members, property)) { size++; } } Properties = members = null; // Normalize the iteration algorithm. if (!size) { // A list of non-enumerable properties inherited from `Object.prototype`. members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"]; // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable // properties. forEach = function (object, callback) { var isFunction = getClass.call(object) == functionClass, property, length; var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty; for (property in object) { // Gecko <= 1.0 enumerates the `prototype` property of functions under // certain conditions; IE does not. if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) { callback(property); } } // Manually invoke the callback for each non-enumerable property. for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property)); }; } else if (size == 2) { // Safari <= 2.0.4 enumerates shadowed properties twice. forEach = function (object, callback) { // Create a set of iterated properties. var members = {}, isFunction = getClass.call(object) == functionClass, property; for (property in object) { // Store each property name to prevent double enumeration. The // `prototype` property of functions is not enumerated due to cross- // environment inconsistencies. if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) { callback(property); } } }; } else { // No bugs detected; use the standard `for...in` algorithm. forEach = function (object, callback) { var isFunction = getClass.call(object) == functionClass, property, isConstructor; for (property in object) { if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) { callback(property); } } // Manually invoke the callback for the `constructor` property due to // cross-environment inconsistencies. if (isConstructor || isProperty.call(object, (property = "constructor"))) { callback(property); } }; } return forEach(object, callback); }; // Public: Serializes a JavaScript `value` as a JSON string. The optional // `filter` argument may specify either a function that alters how object and // array members are serialized, or an array of strings and numbers that // indicates which properties should be serialized. The optional `width` // argument may be either a string or number that specifies the indentation // level of the output. if (!has("json-stringify")) { // Internal: A map of control characters and their escaped equivalents. var Escapes = { 92: "\\\\", 34: '\\"', 8: "\\b", 12: "\\f", 10: "\\n", 13: "\\r", 9: "\\t" }; // Internal: Converts `value` into a zero-padded string such that its // length is at least equal to `width`. The `width` must be <= 6. var leadingZeroes = "000000"; var toPaddedString = function (width, value) { // The `|| 0` expression is necessary to work around a bug in // Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`. return (leadingZeroes + (value || 0)).slice(-width); }; // Internal: Double-quotes a string `value`, replacing all ASCII control // characters (characters with code unit values between 0 and 31) with // their escaped equivalents. This is an implementation of the // `Quote(value)` operation defined in ES 5.1 section 15.12.3. var unicodePrefix = "\\u00"; var quote = function (value) { var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10; var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value); for (; index < length; index++) { var charCode = value.charCodeAt(index); // If the character is a control character, append its Unicode or // shorthand escape sequence; otherwise, append the character as-is. switch (charCode) { case 8: case 9: case 10: case 12: case 13: case 34: case 92: result += Escapes[charCode]; break; default: if (charCode < 32) { result += unicodePrefix + toPaddedString(2, charCode.toString(16)); break; } result += useCharIndex ? symbols[index] : value.charAt(index); } } return result + '"'; }; // Internal: Recursively serializes an object. Implements the // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations. var serialize = function (property, object, callback, properties, whitespace, indentation, stack) { var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result; try { // Necessary for host object support. value = object[property]; } catch (exception) {} if (typeof value == "object" && value) { className = getClass.call(value); if (className == dateClass && !isProperty.call(value, "toJSON")) { if (value > -1 / 0 && value < 1 / 0) { // Dates are serialized according to the `Date#toJSON` method // specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15 // for the ISO 8601 date time string format. if (getDay) { // Manually compute the year, month, date, hours, minutes, // seconds, and milliseconds if the `getUTC*` methods are // buggy. Adapted from @Yaffle's `date-shim` project. date = floor(value / 864e5); for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++); for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++); date = 1 + date - getDay(year, month); // The `time` value specifies the time within the day (see ES // 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used // to compute `A modulo B`, as the `%` operator does not // correspond to the `modulo` operation for negative numbers. time = (value % 864e5 + 864e5) % 864e5; // The hours, minutes, seconds, and milliseconds are obtained by // decomposing the time within the day. See section 15.9.1.10. hours = floor(time / 36e5) % 24; minutes = floor(time / 6e4) % 60; seconds = floor(time / 1e3) % 60; milliseconds = time % 1e3; } else { year = value.getUTCFullYear(); month = value.getUTCMonth(); date = value.getUTCDate(); hours = value.getUTCHours(); minutes = value.getUTCMinutes(); seconds = value.getUTCSeconds(); milliseconds = value.getUTCMilliseconds(); } // Serialize extended years correctly. value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) + "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) + // Months, dates, hours, minutes, and seconds should have two // digits; milliseconds should have three. "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) + // Milliseconds are optional in ES 5.0, but required in 5.1. "." + toPaddedString(3, milliseconds) + "Z"; } else { value = null; } } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) { // Prototype <= 1.6.1 adds non-standard `toJSON` methods to the // `Number`, `String`, `Date`, and `Array` prototypes. JSON 3 // ignores all `toJSON` methods on these objects unless they are // defined directly on an instance. value = value.toJSON(property); } } if (callback) { // If a replacement function was provided, call it to obtain the value // for serialization. value = callback.call(object, property, value); } if (value === null) { return "null"; } className = getClass.call(value); if (className == booleanClass) { // Booleans are represented literally. return "" + value; } else if (className == numberClass) { // JSON numbers must be finite. `Infinity` and `NaN` are serialized as // `"null"`. return value > -1 / 0 && value < 1 / 0 ? "" + value : "null"; } else if (className == stringClass) { // Strings are double-quoted and escaped. return quote("" + value); } // Recursively serialize objects and arrays. if (typeof value == "object") { // Check for cyclic structures. This is a linear search; performance // is inversely proportional to the number of unique nested objects. for (length = stack.length; length--;) { if (stack[length] === value) { // Cyclic structures cannot be serialized by `JSON.stringify`. throw TypeError(); } } // Add the object to the stack of traversed objects. stack.push(value); results = []; // Save the current indentation level and indent one additional level. prefix = indentation; indentation += whitespace; if (className == arrayClass) { // Recursively serialize array elements. for (index = 0, length = value.length; index < length; index++) { element = serialize(index, value, callback, properties, whitespace, indentation, stack); results.push(element === undef ? "null" : element); } result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]"; } else { // Recursively serialize object members. Members are selected from // either a user-specified list of property names, or the object // itself. forEach(properties || value, function (property) { var element = serialize(property, value, callback, properties, whitespace, indentation, stack); if (element !== undef) { // According to ES 5.1 section 15.12.3: "If `gap` {whitespace} // is not the empty string, let `member` {quote(property) + ":"} // be the concatenation of `member` and the `space` character." // The "`space` character" refers to the literal space // character, not the `space` {width} argument provided to // `JSON.stringify`. results.push(quote(property) + ":" + (whitespace ? " " : "") + element); } }); result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}"; } // Remove the object from the traversed object stack. stack.pop(); return result; } }; // Public: `JSON.stringify`. See ES 5.1 section 15.12.3. exports.stringify = function (source, filter, width) { var whitespace, callback, properties, className; if (objectTypes[typeof filter] && filter) { if ((className = getClass.call(filter)) == functionClass) { callback = filter; } else if (className == arrayClass) { // Convert the property names array into a makeshift set. properties = {}; for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1)); } } if (width) { if ((className = getClass.call(width)) == numberClass) { // Convert the `width` to an integer and create a string containing // `width` number of space characters. if ((width -= width % 1) > 0) { for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " "); } } else if (className == stringClass) { whitespace = width.length <= 10 ? width : width.slice(0, 10); } } // Opera <= 7.54u2 discards the values associated with empty string keys // (`""`) only if they are used directly within an object member list // (e.g., `!("" in { "": 1})`). return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []); }; } // Public: Parses a JSON source string. if (!has("json-parse")) { var fromCharCode = String.fromCharCode; // Internal: A map of escaped control characters and their unescaped // equivalents. var Unescapes = { 92: "\\", 34: '"', 47: "/", 98: "\b", 116: "\t", 110: "\n", 102: "\f", 114: "\r" }; // Internal: Stores the parser state. var Index, Source; // Internal: Resets the parser state and throws a `SyntaxError`. var abort = function () { Index = Source = null; throw SyntaxError(); }; // Internal: Returns the next token, or `"$"` if the parser has reached // the end of the source string. A token may be a string, number, `null` // literal, or Boolean literal. var lex = function () { var source = Source, length = source.length, value, begin, position, isSigned, charCode; while (Index < length) { charCode = source.charCodeAt(Index); switch (charCode) { case 9: case 10: case 13: case 32: // Skip whitespace tokens, including tabs, carriage returns, line // feeds, and space characters. Index++; break; case 123: case 125: case 91: case 93: case 58: case 44: // Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at // the current position. value = charIndexBuggy ? source.charAt(Index) : source[Index]; Index++; return value; case 34: // `"` delimits a JSON string; advance to the next character and // begin parsing the string. String tokens are prefixed with the // sentinel `@` character to distinguish them from punctuators and // end-of-string tokens. for (value = "@", Index++; Index < length;) { charCode = source.charCodeAt(Index); if (charCode < 32) { // Unescaped ASCII control characters (those with a code unit // less than the space character) are not permitted. abort(); } else if (charCode == 92) { // A reverse solidus (`\`) marks the beginning of an escaped // control character (including `"`, `\`, and `/`) or Unicode // escape sequence. charCode = source.charCodeAt(++Index); switch (charCode) { case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114: // Revive escaped control characters. value += Unescapes[charCode]; Index++; break; case 117: // `\u` marks the beginning of a Unicode escape sequence. // Advance to the first character and validate the // four-digit code point. begin = ++Index; for (position = Index + 4; Index < position; Index++) { charCode = source.charCodeAt(Index); // A valid sequence comprises four hexdigits (case- // insensitive) that form a single hexadecimal value. if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) { // Invalid Unicode escape sequence. abort(); } } // Revive the escaped character. value += fromCharCode("0x" + source.slice(begin, Index)); break; default: // Invalid escape sequence. abort(); } } else { if (charCode == 34) { // An unescaped double-quote character marks the end of the // string. break; } charCode = source.charCodeAt(Index); begin = Index; // Optimize for the common case where a string is valid. while (charCode >= 32 && charCode != 92 && charCode != 34) { charCode = source.charCodeAt(++Index); } // Append the string as-is. value += source.slice(begin, Index); } } if (source.charCodeAt(Index) == 34) { // Advance to the next character and return the revived string. Index++; return value; } // Unterminated string. abort(); default: // Parse numbers and literals. begin = Index; // Advance past the negative sign, if one is specified. if (charCode == 45) { isSigned = true; charCode = source.charCodeAt(++Index); } // Parse an integer or floating-point value. if (charCode >= 48 && charCode <= 57) { // Leading zeroes are interpreted as octal literals. if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) { // Illegal octal literal. abort(); } isSigned = false; // Parse the integer component. for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++); // Floats cannot contain a leading decimal point; however, this // case is already accounted for by the parser. if (source.charCodeAt(Index) == 46) { position = ++Index; // Parse the decimal component. for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++); if (position == Index) { // Illegal trailing decimal. abort(); } Index = position; } // Parse exponents. The `e` denoting the exponent is // case-insensitive. charCode = source.charCodeAt(Index); if (charCode == 101 || charCode == 69) { charCode = source.charCodeAt(++Index); // Skip past the sign following the exponent, if one is // specified. if (charCode == 43 || charCode == 45) { Index++; } // Parse the exponential component. for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++); if (position == Index) { // Illegal empty exponent. abort(); } Index = position; } // Coerce the parsed value to a JavaScript number. return +source.slice(begin, Index); } // A negative sign may only precede numbers. if (isSigned) { abort(); } // `true`, `false`, and `null` literals. if (source.slice(Index, Index + 4) == "true") { Index += 4; return true; } else if (source.slice(Index, Index + 5) == "false") { Index += 5; return false; } else if (source.slice(Index, Index + 4) == "null") { Index += 4; return null; } // Unrecognized token. abort(); } } // Return the sentinel `$` character if the parser has reached the end // of the source string. return "$"; }; // Internal: Parses a JSON `value` token. var get = function (value) { var results, hasMembers; if (value == "$") { // Unexpected end of input. abort(); } if (typeof value == "string") { if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") { // Remove the sentinel `@` character. return value.slice(1); } // Parse object and array literals. if (value == "[") { // Parses a JSON array, returning a new JavaScript array. results = []; for (;; hasMembers || (hasMembers = true)) { value = lex(); // A closing square bracket marks the end of the array literal. if (value == "]") { break; } // If the array literal contains elements, the current token // should be a comma separating the previous element from the // next. if (hasMembers) { if (value == ",") { value = lex(); if (value == "]") { // Unexpected trailing `,` in array literal. abort(); } } else { // A `,` must separate each array element. abort(); } } // Elisions and leading commas are not permitted. if (value == ",") { abort(); } results.push(get(value)); } return results; } else if (value == "{") { // Parses a JSON object, returning a new JavaScript object. results = {}; for (;; hasMembers || (hasMembers = true)) { value = lex(); // A closing curly brace marks the end of the object literal. if (value == "}") { break; } // If the object literal contains members, the current token // should be a comma separator. if (hasMembers) { if (value == ",") { value = lex(); if (value == "}") { // Unexpected trailing `,` in object literal. abort(); } } else { // A `,` must separate each object member. abort(); } } // Leading commas are not permitted, object property names must be // double-quoted strings, and a `:` must separate each property // name and value. if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") { abort(); } results[value.slice(1)] = get(lex()); } return results; } // Unexpected token encountered. abort(); } return value; }; // Internal: Updates a traversed object member. var update = function (source, property, callback) { var element = walk(source, property, callback); if (element === undef) { delete source[property]; } else { source[property] = element; } }; // Internal: Recursively traverses a parsed JSON object, invoking the // `callback` function for each value. This is an implementation of the // `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2. var walk = function (source, property, callback) { var value = source[property], length; if (typeof value == "object" && value) { // `forEach` can't be used to traverse an array in Opera <= 8.54 // because its `Object#hasOwnProperty` implementation returns `false` // for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`). if (getClass.call(value) == arrayClass) { for (length = value.length; length--;) { update(value, length, callback); } } else { forEach(value, function (property) { update(value, property, callback); }); } } return callback.call(source, property, value); }; // Public: `JSON.parse`. See ES 5.1 section 15.12.2. exports.parse = function (source, callback) { var result, value; Index = 0; Source = "" + source; result = get(lex()); // If a JSON string contains multiple tokens, it is invalid. if (lex() != "$") { abort(); } // Reset the parser state. Index = Source = null; return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result; }; } } exports["runInContext"] = runInContext; return exports; } if (freeExports && !isLoader) { // Export for CommonJS environments. runInContext(root, freeExports); } else { // Export for web browsers and JavaScript engines. var nativeJSON = root.JSON, previousJSON = root["JSON3"], isRestored = false; var JSON3 = runInContext(root, (root["JSON3"] = { // Public: Restores the original value of the global `JSON` object and // returns a reference to the `JSON3` object. "noConflict": function () { if (!isRestored) { isRestored = true; root.JSON = nativeJSON; root["JSON3"] = previousJSON; nativeJSON = previousJSON = null; } return JSON3; } })); root.JSON = { "parse": JSON3.parse, "stringify": JSON3.stringify }; } // Export for asynchronous module loaders. if (isLoader) { define(function () { return JSON3; }); }}).call(this);/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(12)(module), (function() { return this; }())))/***/ },/* 12 *//***/ function(module, exports) {module.exports = function(module) {if(!module.webpackPolyfill) {module.deprecate = function() {};module.paths = [];// module.parent = undefined by defaultmodule.children = [];module.webpackPolyfill = 1;}return module;}/***/ },/* 13 *//***/ function(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;};/***/ },/* 14 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {/*global Blob,File*//** * Module requirements */var isArray = __webpack_require__(15);var isBuf = __webpack_require__(16);/** * 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); }};/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 15 *//***/ function(module, exports) {module.exports = Array.isArray || function (arr) { return Object.prototype.toString.call(arr) == '[object Array]';};/***/ },/* 16 *//***/ function(module, exports) {/* WEBPACK VAR INJECTION */(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);}/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 17 *//***/ function(module, exports, __webpack_require__) {'use strict';var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };/** * Module dependencies. */var eio = __webpack_require__(18);var Socket = __webpack_require__(44);var Emitter = __webpack_require__(35);var parser = __webpack_require__(7);var on = __webpack_require__(46);var bind = __webpack_require__(47);var debug = __webpack_require__(3)('socket.io-client:manager');var indexOf = __webpack_require__(42);var Backoff = __webpack_require__(48);/** * IE6+ hasOwnProperty */var has = Object.prototype.hasOwnProperty;/** * 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 === 'undefined' ? 'undefined' : _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.connecting = []; this.lastPing = null; 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) { if (has.call(this.nsps, nsp)) { 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) { if (has.call(this.nsps, nsp)) { 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, opts) { 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 destroy() { 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(socket, 'ping', bind(this, 'onping'))); this.subs.push(on(socket, 'pong', bind(this, 'onpong'))); this.subs.push(on(socket, 'error', bind(this, 'onerror'))); this.subs.push(on(socket, 'close', bind(this, 'onclose'))); this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));};/** * Called upon a ping. * * @api private */Manager.prototype.onping = function () { this.lastPing = new Date(); this.emitAll('ping');};/** * Called upon a packet. * * @api private */Manager.prototype.onpong = function () { this.emitAll('pong', new Date() - this.lastPing);};/** * 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, opts) { var socket = this.nsps[nsp]; if (!socket) { socket = new Socket(this, nsp, opts); this.nsps[nsp] = socket; var self = this; socket.on('connecting', onConnecting); socket.on('connect', function () { socket.id = self.engine.id; }); if (this.autoConnect) { // manually call here since connecting evnet is fired before listening onConnecting(); } } function onConnecting() { if (!~indexOf(self.connecting, socket)) { self.connecting.push(socket); } } return socket;};/** * Called upon a socket close. * * @param {Socket} socket */Manager.prototype.destroy = function (socket) { var index = indexOf(this.connecting, socket); if (~index) this.connecting.splice(index, 1); if (this.connecting.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 (packet.query && packet.type === 0) packet.nsp += '?' + packet.query; 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], packet.options); } 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 () { debug('cleanup'); var subsLength = this.subs.length; for (var i = 0; i < subsLength; i++) { var sub = this.subs.shift(); sub.destroy(); } this.packetBuffer = []; this.encoding = false; this.lastPing = null; this.decoder.destroy();};/** * Close the current socket. * * @api private */Manager.prototype.close = Manager.prototype.disconnect = function () { debug('disconnect'); this.skipReconnect = true; this.reconnecting = false; if ('opening' === this.readyState) { // `onclose` will not fire because // an open event never happened this.cleanup(); } this.backoff.reset(); this.readyState = 'closed'; if (this.engine) this.engine.close();};/** * Called upon engine close. * * @api private */Manager.prototype.onclose = function (reason) { debug('onclose'); 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 destroy() { 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);};/***/ },/* 18 *//***/ function(module, exports, __webpack_require__) {module.exports = __webpack_require__(19);/***/ },/* 19 *//***/ function(module, exports, __webpack_require__) {module.exports = __webpack_require__(20);/** * Exports parser * * @api public * */module.exports.parser = __webpack_require__(27);/***/ },/* 20 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {/** * Module dependencies. */var transports = __webpack_require__(21);var Emitter = __webpack_require__(35);var debug = __webpack_require__(3)('engine.io-client:socket');var index = __webpack_require__(42);var parser = __webpack_require__(27);var parseuri = __webpack_require__(2);var parsejson = __webpack_require__(43);var parseqs = __webpack_require__(36);/** * Module exports. */module.exports = Socket;/** * Socket constructor. * * @param {String|Object} uri or options * @param {Object} options * @api public */function Socket (uri, opts) { if (!(this instanceof Socket)) return new Socket(uri, opts); opts = opts || {}; if (uri && 'object' === typeof uri) { opts = uri; uri = null; } if (uri) { uri = parseuri(uri); opts.hostname = uri.host; opts.secure = uri.protocol === 'https' || uri.protocol === 'wss'; opts.port = uri.port; if (uri.query) opts.query = uri.query; } else if (opts.host) { opts.hostname = parseuri(opts.host).host; } this.secure = null != opts.secure ? opts.secure : (global.location && 'https:' === location.protocol); if (opts.hostname && !opts.port) { // if no port is specified manually, use the protocol default opts.port = this.secure ? '443' : '80'; } this.agent = opts.agent || false; this.hostname = opts.hostname || (global.location ? location.hostname : 'localhost'); this.port = opts.port || (global.location && location.port ? location.port : (this.secure ? 443 : 80)); this.query = opts.query || {}; if ('string' === typeof this.query) this.query = parseqs.decode(this.query); this.upgrade = false !== opts.upgrade; this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/'; this.forceJSONP = !!opts.forceJSONP; this.jsonp = false !== opts.jsonp; this.forceBase64 = !!opts.forceBase64; this.enablesXDR = !!opts.enablesXDR; this.timestampParam = opts.timestampParam || 't'; this.timestampRequests = opts.timestampRequests; this.transports = opts.transports || ['polling', 'websocket']; this.readyState = ''; this.writeBuffer = []; this.prevBufferLen = 0; this.policyPort = opts.policyPort || 843; this.rememberUpgrade = opts.rememberUpgrade || false; this.binaryType = null; this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades; this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false; if (true === this.perMessageDeflate) this.perMessageDeflate = {}; if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) { this.perMessageDeflate.threshold = 1024; } // SSL options for Node.js client this.pfx = opts.pfx || null; this.key = opts.key || null; this.passphrase = opts.passphrase || null; this.cert = opts.cert || null; this.ca = opts.ca || null; this.ciphers = opts.ciphers || null; this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? null : opts.rejectUnauthorized; this.forceNode = !!opts.forceNode; // other options for Node.js client var freeGlobal = typeof global === 'object' && global; if (freeGlobal.global === freeGlobal) { if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) { this.extraHeaders = opts.extraHeaders; } if (opts.localAddress) { this.localAddress = opts.localAddress; } } // set on handshake this.id = null; this.upgrades = null; this.pingInterval = null; this.pingTimeout = null; // set on heartbeat this.pingIntervalTimer = null; this.pingTimeoutTimer = null; this.open();}Socket.priorWebsocketSuccess = false;/** * Mix in `Emitter`. */Emitter(Socket.prototype);/** * Protocol version. * * @api public */Socket.protocol = parser.protocol; // this is an int/** * Expose deps for legacy compatibility * and standalone browser access. */Socket.Socket = Socket;Socket.Transport = __webpack_require__(26);Socket.transports = __webpack_require__(21);Socket.parser = __webpack_require__(27);/** * 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, perMessageDeflate: this.perMessageDeflate, extraHeaders: this.extraHeaders, forceNode: this.forceNode, localAddress: this.localAddress }); return transport;};function clone (obj) { var o = {}; for (var i in obj) { if (obj.hasOwnProperty(i)) { o[i] = obj[i]; } } return o;}/** * Initializes transport to use and starts probe. * * @api private */Socket.prototype.open = function () { var transport; if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) { transport = 'websocket'; } else if (0 === this.transports.length) { // Emit error on next tick so it can be listened to var self = this; setTimeout(function () { self.emit('error', 'No transports available'); }, 0); return; } else { transport = this.transports[0]; } this.readyState = 'opening'; // Retry with the next transport if the transport is disabled (jsonp: false) try { transport = this.createTransport(transport); } catch (e) { this.transports.shift(); this.open(); return; } transport.open(); this.setTransport(transport);};/** * Sets the current transport. Disables the existing one (if any). * * @api private */Socket.prototype.setTransport = function (transport) { debug('setting transport %s', transport.name); var self = this; if (this.transport) { debug('clearing existing transport %s', this.transport.name); this.transport.removeAllListeners(); } // set up transport this.transport = transport; // set up transport listeners transport .on('drain', function () { self.onDrain(); }) .on('packet', function (packet) { self.onPacket(packet); }) .on('error', function (e) { self.onError(e); }) .on('close', function () { self.onClose('transport close'); });};/** * Probes a transport. * * @param {String} transport name * @api private */Socket.prototype.probe = function (name) { debug('probing transport "%s"', name); var transport = this.createTransport(name, { probe: 1 }); var failed = false; var self = this; Socket.priorWebsocketSuccess = false; function onTransportOpen () { if (self.onlyBinaryUpgrades) { var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary; failed = failed || upgradeLosesBinary; } if (failed) return; debug('probe transport "%s" opened', name); transport.send([{ type: 'ping', data: 'probe' }]); transport.once('packet', function (msg) { if (failed) return; if ('pong' === msg.type && 'probe' === msg.data) { debug('probe transport "%s" pong', name); self.upgrading = true; self.emit('upgrading', transport); if (!transport) return; Socket.priorWebsocketSuccess = 'websocket' === transport.name; debug('pausing current transport "%s"', self.transport.name); self.transport.pause(function () { if (failed) return; if ('closed' === self.readyState) return; debug('changing transport and sending upgrade packet'); cleanup(); self.setTransport(transport); transport.send([{ type: 'upgrade' }]); self.emit('upgrade', transport); transport = null; self.upgrading = false; self.flush(); }); } else { debug('probe transport "%s" failed', name); var err = new Error('probe error'); err.transport = transport.name; self.emit('upgradeError', err); } }); } function freezeTransport () { if (failed) return; // Any callback called by transport should be ignored since now failed = true; cleanup(); transport.close(); transport = null; } // Handle any error that happens while probing function onerror (err) { var error = new Error('probe error: ' + err); error.transport = transport.name; freezeTransport(); debug('probe transport "%s" failed because of error: %s', name, err); self.emit('upgradeError', error); } function onTransportClose () { onerror('transport closed'); } // When the socket is closed while we're probing function onclose () { onerror('socket closed'); } // When the socket is upgraded while we're probing function onupgrade (to) { if (transport && to.name !== transport.name) { debug('"%s" works - aborting "%s"', to.name, transport.name); freezeTransport(); } } // Remove all listeners on the transport and on self function cleanup () { transport.removeListener('open', onTransportOpen); transport.removeListener('error', onerror); transport.removeListener('close', onTransportClose); self.removeListener('close', onclose); self.removeListener('upgrading', onupgrade); } transport.once('open', onTransportOpen); transport.once('error', onerror); transport.once('close', onTransportClose); this.once('close', onclose); this.once('upgrading', onupgrade); transport.open();};/** * Called when connection is deemed open. * * @api public */Socket.prototype.onOpen = function () { debug('socket open'); this.readyState = 'open'; Socket.priorWebsocketSuccess = 'websocket' === this.transport.name; this.emit('open'); this.flush(); // we check for `readyState` in case an `open` // listener already closed the socket if ('open' === this.readyState && this.upgrade && this.transport.pause) { debug('starting upgrade probes'); for (var i = 0, l = this.upgrades.length; i < l; i++) { this.probe(this.upgrades[i]); } }};/** * Handles a packet. * * @api private */Socket.prototype.onPacket = function (packet) { if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) { debug('socket receive: type "%s", data "%s"', packet.type, packet.data); this.emit('packet', packet); // Socket is live - any packet counts this.emit('heartbeat'); switch (packet.type) { case 'open': this.onHandshake(parsejson(packet.data)); break; case 'pong': this.setPing(); this.emit('pong'); break; case 'error': var err = new Error('server error'); err.code = packet.data; this.onError(err); break; case 'message': this.emit('data', packet.data); this.emit('message', packet.data); break; } } else { debug('packet received with socket readyState "%s"', this.readyState); }};/** * Called upon handshake completion. * * @param {Object} handshake obj * @api private */Socket.prototype.onHandshake = function (data) { this.emit('handshake', data); this.id = data.sid; this.transport.query.sid = data.sid; this.upgrades = this.filterUpgrades(data.upgrades); this.pingInterval = data.pingInterval; this.pingTimeout = data.pingTimeout; this.onOpen(); // In case open handler closes socket if ('closed' === this.readyState) return; this.setPing(); // Prolong liveness of socket on heartbeat this.removeListener('heartbeat', this.onHeartbeat); this.on('heartbeat', this.onHeartbeat);};/** * Resets ping timeout. * * @api private */Socket.prototype.onHeartbeat = function (timeout) { clearTimeout(this.pingTimeoutTimer); var self = this; self.pingTimeoutTimer = setTimeout(function () { if ('closed' === self.readyState) return; self.onClose('ping timeout'); }, timeout || (self.pingInterval + self.pingTimeout));};/** * Pings server every `this.pingInterval` and expects response * within `this.pingTimeout` or closes connection. * * @api private */Socket.prototype.setPing = function () { var self = this; clearTimeout(self.pingIntervalTimer); self.pingIntervalTimer = setTimeout(function () { debug('writing ping packet - expecting pong within %sms', self.pingTimeout); self.ping(); self.onHeartbeat(self.pingTimeout); }, self.pingInterval);};/*** Sends a ping packet.** @api private*/Socket.prototype.ping = function () { var self = this; this.sendPacket('ping', function () { self.emit('ping'); });};/** * Called on `drain` event * * @api private */Socket.prototype.onDrain = function () { this.writeBuffer.splice(0, this.prevBufferLen); // setting prevBufferLen = 0 is very important // for example, when upgrading, upgrade packet is sent over, // and a nonzero prevBufferLen could cause problems on `drain` this.prevBufferLen = 0; if (0 === this.writeBuffer.length) { this.emit('drain'); } else { this.flush(); }};/** * Flush write buffers. * * @api private */Socket.prototype.flush = function () { if ('closed' !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { debug('flushing %d packets in socket', this.writeBuffer.length); this.transport.send(this.writeBuffer); // keep track of current length of writeBuffer // splice writeBuffer and callbackBuffer on `drain` this.prevBufferLen = this.writeBuffer.length; this.emit('flush'); }};/** * Sends a message. * * @param {String} message. * @param {Function} callback function. * @param {Object} options. * @return {Socket} for chaining. * @api public */Socket.prototype.write =Socket.prototype.send = function (msg, options, fn) { this.sendPacket('message', msg, options, fn); return this;};/** * Sends a packet. * * @param {String} packet type. * @param {String} data. * @param {Object} options. * @param {Function} callback function. * @api private */Socket.prototype.sendPacket = function (type, data, options, fn) { if ('function' === typeof data) { fn = data; data = undefined; } if ('function' === typeof options) { fn = options; options = null; } if ('closing' === this.readyState || 'closed' === this.readyState) { return; } options = options || {}; options.compress = false !== options.compress; var packet = { type: type, data: data, options: options }; this.emit('packetCreate', packet); this.writeBuffer.push(packet); if (fn) this.once('flush', fn); this.flush();};/** * Closes the connection. * * @api private */Socket.prototype.close = function () { if ('opening' === this.readyState || 'open' === this.readyState) { this.readyState = 'closing'; var self = this; if (this.writeBuffer.length) { this.once('drain', function () { if (this.upgrading) { waitForUpgrade(); } else { close(); } }); } else if (this.upgrading) { waitForUpgrade(); } else { close(); } } function close () { self.onClose('forced close'); debug('socket closing - telling transport to close'); self.transport.close(); } function cleanupAndClose () { self.removeListener('upgrade', cleanupAndClose); self.removeListener('upgradeError', cleanupAndClose); close(); } function waitForUpgrade () { // wait for upgrade to finish since we can't send packets while pausing a transport self.once('upgrade', cleanupAndClose); self.once('upgradeError', cleanupAndClose); } return this;};/** * Called upon transport error * * @api private */Socket.prototype.onError = function (err) { debug('socket error %j', err); Socket.priorWebsocketSuccess = false; this.emit('error', err); this.onClose('transport error', err);};/** * Called upon transport close. * * @api private */Socket.prototype.onClose = function (reason, desc) { if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) { debug('socket close with reason: "%s"', reason); var self = this; // clear timers clearTimeout(this.pingIntervalTimer); clearTimeout(this.pingTimeoutTimer); // stop event from firing again for transport this.transport.removeAllListeners('close'); // ensure transport won't stay open this.transport.close(); // ignore further transport communication this.transport.removeAllListeners(); // set ready state this.readyState = 'closed'; // clear session id this.id = null; // emit close event this.emit('close', reason, desc); // clean buffers after, so users can still // grab the buffers on `close` event self.writeBuffer = []; self.prevBufferLen = 0; }};/** * Filters upgrades, returning only those matching client transports. * * @param {Array} server upgrades * @api private * */Socket.prototype.filterUpgrades = function (upgrades) { var filteredUpgrades = []; for (var i = 0, j = upgrades.length; i < j; i++) { if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]); } return filteredUpgrades;};/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 21 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {/** * Module dependencies */var XMLHttpRequest = __webpack_require__(22);var XHR = __webpack_require__(24);var JSONP = __webpack_require__(39);var websocket = __webpack_require__(40);/** * Export transports. */exports.polling = polling;exports.websocket = websocket;/** * Polling transport polymorphic constructor. * Decides on xhr vs jsonp based on feature detection. * * @api private */function polling (opts) { var xhr; var xd = false; var xs = false; var jsonp = false !== opts.jsonp; if (global.location) { var isSSL = 'https:' === location.protocol; var port = location.port; // some user agents have empty `location.port` if (!port) { port = isSSL ? 443 : 80; } xd = opts.hostname !== location.hostname || port !== opts.port; xs = opts.secure !== isSSL; } opts.xdomain = xd; opts.xscheme = xs; xhr = new XMLHttpRequest(opts); if ('open' in xhr && !opts.forceJSONP) { return new XHR(opts); } else { if (!jsonp) throw new Error('JSONP disabled'); return new JSONP(opts); }}/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 22 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {// browser shim for xmlhttprequest modulevar hasCORS = __webpack_require__(23);module.exports = function (opts) { var xdomain = opts.xdomain; // scheme must be same when usign XDomainRequest // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx var xscheme = opts.xscheme; // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default. // https://github.com/Automattic/engine.io-client/pull/217 var enablesXDR = opts.enablesXDR; // XMLHttpRequest can be disabled on IE try { if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { return new XMLHttpRequest(); } } catch (e) { } // Use XDomainRequest for IE8 if enablesXDR is true // because loading bar keeps flashing when using jsonp-polling // https://github.com/yujiosaka/socke.io-ie8-loading-example try { if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) { return new XDomainRequest(); } } catch (e) { } if (!xdomain) { try { return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP'); } catch (e) { } }};/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 23 *//***/ function(module, exports) {/** * Module exports. * * Logic borrowed from Modernizr: * * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js */try { module.exports = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest();} catch (err) { // if XMLHttp support is disabled in IE then it will throw // when trying to create module.exports = false;}/***/ },/* 24 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {/** * Module requirements. */var XMLHttpRequest = __webpack_require__(22);var Polling = __webpack_require__(25);var Emitter = __webpack_require__(35);var inherit = __webpack_require__(37);var debug = __webpack_require__(3)('engine.io-client:polling-xhr');/** * Module exports. */module.exports = XHR;module.exports.Request = Request;/** * Empty function */function empty () {}/** * XHR Polling constructor. * * @param {Object} opts * @api public */function XHR (opts) { Polling.call(this, opts); this.requestTimeout = opts.requestTimeout; 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; } else { this.extraHeaders = opts.extraHeaders; }}/** * Inherits from Polling. */inherit(XHR, Polling);/** * XHR supports binary */XHR.prototype.supportsBinary = true;/** * Creates a request. * * @param {String} method * @api private */XHR.prototype.request = function (opts) { opts = opts || {}; opts.uri = this.uri(); opts.xd = this.xd; opts.xs = this.xs; opts.agent = this.agent || false; opts.supportsBinary = this.supportsBinary; opts.enablesXDR = this.enablesXDR; // SSL options for Node.js client opts.pfx = this.pfx; opts.key = this.key; opts.passphrase = this.passphrase; opts.cert = this.cert; opts.ca = this.ca; opts.ciphers = this.ciphers; opts.rejectUnauthorized = this.rejectUnauthorized; opts.requestTimeout = this.requestTimeout; // other options for Node.js client opts.extraHeaders = this.extraHeaders; return new Request(opts);};/** * Sends data. * * @param {String} data to send. * @param {Function} called upon flush. * @api private */XHR.prototype.doWrite = function (data, fn) { var isBinary = typeof data !== 'string' && data !== undefined; var req = this.request({ method: 'POST', data: data, isBinary: isBinary }); var self = this; req.on('success', fn); req.on('error', function (err) { self.onError('xhr post error', err); }); this.sendXhr = req;};/** * Starts a poll cycle. * * @api private */XHR.prototype.doPoll = function () { debug('xhr poll'); var req = this.request(); var self = this; req.on('data', function (data) { self.onData(data); }); req.on('error', function (err) { self.onError('xhr poll error', err); }); this.pollXhr = req;};/** * Request constructor * * @param {Object} options * @api public */function Request (opts) { this.method = opts.method || 'GET'; this.uri = opts.uri; this.xd = !!opts.xd; this.xs = !!opts.xs; this.async = false !== opts.async; this.data = undefined !== opts.data ? opts.data : null; this.agent = opts.agent; this.isBinary = opts.isBinary; this.supportsBinary = opts.supportsBinary; this.enablesXDR = opts.enablesXDR; this.requestTimeout = opts.requestTimeout; // SSL options for Node.js client this.pfx = opts.pfx; this.key = opts.key; this.passphrase = opts.passphrase; this.cert = opts.cert; this.ca = opts.ca; this.ciphers = opts.ciphers; this.rejectUnauthorized = opts.rejectUnauthorized; // other options for Node.js client this.extraHeaders = opts.extraHeaders; this.create();}/** * Mix in `Emitter`. */Emitter(Request.prototype);/** * Creates the XHR object and sends the request. * * @api private */Request.prototype.create = function () { var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR }; // SSL options for Node.js client opts.pfx = this.pfx; opts.key = this.key; opts.passphrase = this.passphrase; opts.cert = this.cert; opts.ca = this.ca; opts.ciphers = this.ciphers; opts.rejectUnauthorized = this.rejectUnauthorized; var xhr = this.xhr = new XMLHttpRequest(opts); var self = this; try { debug('xhr open %s: %s', this.method, this.uri); xhr.open(this.method, this.uri, this.async); try { if (this.extraHeaders) { xhr.setDisableHeaderCheck(true); for (var i in this.extraHeaders) { if (this.extraHeaders.hasOwnProperty(i)) { xhr.setRequestHeader(i, this.extraHeaders[i]); } } } } catch (e) {} 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) {} } try { xhr.setRequestHeader('Accept', '*/*'); } catch (e) {} // ie6 check if ('withCredentials' in xhr) { xhr.withCredentials = true; } if (this.requestTimeout) { xhr.timeout = this.requestTimeout; } if (this.hasXDR()) { xhr.onload = function () { self.onLoad(); }; xhr.onerror = function () { self.onError(xhr.responseText); }; } else { xhr.onreadystatechange = function () { if (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 || this.xhr.responseText; } else { if (!this.supportsBinary) { data = this.xhr.responseText; } else { try { data = String.fromCharCode.apply(null, new Uint8Array(this.xhr.response)); } catch (e) { var ui8Arr = new Uint8Array(this.xhr.response); var dataArray = []; for (var idx = 0, length = ui8Arr.length; idx < length; idx++) { dataArray.push(ui8Arr[idx]); } data = String.fromCharCode.apply(null, dataArray); } } } } catch (e) { this.onError(e); } if (null != data) { this.onData(data); }};/** * Check if it has XDomainRequest. * * @api private */Request.prototype.hasXDR = function () { return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;};/** * Aborts the request. * * @api public */Request.prototype.abort = function () { this.cleanup();};/** * Aborts pending requests when unloading the window. This is needed to prevent * memory leaks (e.g. when using IE) and to ensure that no spurious error is * emitted. */Request.requestsCount = 0;Request.requests = {};if (global.document) { if (global.attachEvent) { global.attachEvent('onunload', unloadHandler); } else if (global.addEventListener) { global.addEventListener('beforeunload', unloadHandler, false); }}function unloadHandler () { for (var i in Request.requests) { if (Request.requests.hasOwnProperty(i)) { Request.requests[i].abort(); } }}/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 25 *//***/ function(module, exports, __webpack_require__) {/** * Module dependencies. */var Transport = __webpack_require__(26);var parseqs = __webpack_require__(36);var parser = __webpack_require__(27);var inherit = __webpack_require__(37);var yeast = __webpack_require__(38);var debug = __webpack_require__(3)('engine.io-client:polling');/** * Module exports. */module.exports = Polling;/** * Is XHR2 supported? */var hasXHR2 = (function () { var XMLHttpRequest = __webpack_require__(22); var xhr = new XMLHttpRequest({ xdomain: false }); return null != xhr.responseType;})();/** * Polling interface. * * @param {Object} opts * @api private */function Polling (opts) { var forceBase64 = (opts && opts.forceBase64); if (!hasXHR2 || forceBase64) { this.supportsBinary = false; } Transport.call(this, opts);}/** * Inherits from Transport. */inherit(Polling, Transport);/** * Transport name. */Polling.prototype.name = 'polling';/** * Opens the socket (triggers polling). We write a PING message to determine * when the transport is open. * * @api private */Polling.prototype.doOpen = function () { this.poll();};/** * Pauses polling. * * @param {Function} callback upon buffers are flushed and transport is paused * @api private */Polling.prototype.pause = function (onPause) { var self = this; this.readyState = 'pausing'; function pause () { debug('paused'); self.readyState = 'paused'; onPause(); } if (this.polling || !this.writable) { var total = 0; if (this.polling) { debug('we are currently polling - waiting to pause'); total++; this.once('pollComplete', function () { debug('pre-pause polling complete'); --total || pause(); }); } if (!this.writable) { debug('we are currently writing - waiting to pause'); total++; this.once('drain', function () { debug('pre-pause writing complete'); --total || pause(); }); } } else { pause(); }};/** * Starts polling cycle. * * @api public */Polling.prototype.poll = function () { debug('polling'); this.polling = true; this.doPoll(); this.emit('poll');};/** * Overloads onData to detect payloads. * * @api private */Polling.prototype.onData = function (data) { var self = this; debug('polling got data %s', data); var callback = function (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'); }; parser.encodePayload(packets, this.supportsBinary, function (data) { self.doWrite(data, callbackfn); });};/** * Generates uri for connection. * * @api private */Polling.prototype.uri = function () { var query = this.query || {}; var schema = this.secure ? 'https' : 'http'; var port = ''; // cache busting is forced if (false !== this.timestampRequests) { query[this.timestampParam] = yeast(); } if (!this.supportsBinary && !query.sid) { query.b64 = 1; } query = parseqs.encode(query); // avoid port if default for schema if (this.port && (('https' === schema && Number(this.port) !== 443) || ('http' === schema && Number(this.port) !== 80))) { port = ':' + this.port; } // prepend ? to query if (query.length) { query = '?' + query; } var ipv6 = this.hostname.indexOf(':') !== -1; return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;};/***/ },/* 26 *//***/ function(module, exports, __webpack_require__) {/** * Module dependencies. */var parser = __webpack_require__(27);var Emitter = __webpack_require__(35);/** * Module exports. */module.exports = Transport;/** * Transport abstract constructor. * * @param {Object} options. * @api private */function Transport (opts) { this.path = opts.path; this.hostname = opts.hostname; this.port = opts.port; this.secure = opts.secure; this.query = opts.query; this.timestampParam = opts.timestampParam; this.timestampRequests = opts.timestampRequests; this.readyState = ''; this.agent = opts.agent || false; this.socket = opts.socket; this.enablesXDR = opts.enablesXDR; // SSL options for Node.js client this.pfx = opts.pfx; this.key = opts.key; this.passphrase = opts.passphrase; this.cert = opts.cert; this.ca = opts.ca; this.ciphers = opts.ciphers; this.rejectUnauthorized = opts.rejectUnauthorized; this.forceNode = opts.forceNode; // other options for Node.js client this.extraHeaders = opts.extraHeaders; this.localAddress = opts.localAddress;}/** * Mix in `Emitter`. */Emitter(Transport.prototype);/** * Emits an error. * * @param {String} str * @return {Transport} for chaining * @api public */Transport.prototype.onError = function (msg, desc) { var err = new Error(msg); err.type = 'TransportError'; err.description = desc; this.emit('error', err); return this;};/** * Opens the transport. * * @api public */Transport.prototype.open = function () { if ('closed' === this.readyState || '' === this.readyState) { this.readyState = 'opening'; this.doOpen(); } return this;};/** * Closes the transport. * * @api private */Transport.prototype.close = function () { if ('opening' === this.readyState || 'open' === this.readyState) { this.doClose(); this.onClose(); } return this;};/** * Sends multiple packets. * * @param {Array} packets * @api private */Transport.prototype.send = function (packets) { if ('open' === this.readyState) { this.write(packets); } else { throw new Error('Transport not open'); }};/** * Called upon open * * @api private */Transport.prototype.onOpen = function () { this.readyState = 'open'; this.writable = true; this.emit('open');};/** * Called with data. * * @param {String} data * @api private */Transport.prototype.onData = function (data) { var packet = parser.decodePacket(data, this.socket.binaryType); this.onPacket(packet);};/** * Called with a decoded packet. */Transport.prototype.onPacket = function (packet) { this.emit('packet', packet);};/** * Called upon close. * * @api private */Transport.prototype.onClose = function () { this.readyState = 'closed'; this.emit('close');};/***/ },/* 27 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {/** * Module dependencies. */var keys = __webpack_require__(28);var hasBinary = __webpack_require__(29);var sliceBuffer = __webpack_require__(30);var after = __webpack_require__(31);var utf8 = __webpack_require__(32);var base64encoder;if (global && global.ArrayBuffer) { base64encoder = __webpack_require__(33);}/** * Check if we are running an android browser. That requires us to use * ArrayBuffer with polling transports... * * http://ghinda.net/jpeg-blob-ajax-android/ */var isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);/** * Check if we are running in PhantomJS. * Uploading a Blob with PhantomJS does not work correctly, as reported here: * https://github.com/ariya/phantomjs/issues/11395 * @type boolean */var isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);/** * When true, avoids using Blobs to encode payloads. * @type boolean */var dontSendBlobs = isAndroid || isPhantomJS;/** * Current protocol version. */exports.protocol = 3;/** * Packet types. */var packets = exports.packets = { open: 0 // non-ws , close: 1 // non-ws , ping: 2 , pong: 3 , message: 4 , upgrade: 5 , noop: 6};var packetslist = keys(packets);/** * Premade error packet. */var err = { type: 'error', data: 'parser error' };/** * Create a blob api even for blob builder when vendor prefixes exist */var Blob = __webpack_require__(34);/** * 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 global.Blob) { var fr = new FileReader(); fr.onload = function() { var b64 = fr.result.split(',')[1]; callback(message + b64); }; return fr.readAsDataURL(packet.data); } var b64data; try { b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data)); } catch (e) { // iPhone Safari doesn't let you apply with typed arrays var typed = new Uint8Array(packet.data); var basic = new Array(typed.length); for (var i = 0; i < typed.length; i++) { basic[i] = typed[i]; } b64data = String.fromCharCode.apply(null, basic); } message += global.btoa(b64data); return callback(message);};/** * Decodes a packet. Changes format to Blob if requested. * * @return {Object} with `type` and `data` (if any) * @api private */exports.decodePacket = function (data, binaryType, utf8decode) { if (data === undefined) { return err; } // String data if (typeof data == 'string') { if (data.charAt(0) == 'b') { return exports.decodeBase64Packet(data.substr(1), binaryType); } if (utf8decode) { data = tryDecode(data); if (data === false) { return err; } } var type = data.charAt(0); if (Number(type) != type || !packetslist[type]) { return err; } if (data.length > 1) { return { type: packetslist[type], data: data.substring(1) }; } else { return { type: packetslist[type] }; } } var asArray = new Uint8Array(data); var type = asArray[0]; var rest = sliceBuffer(data, 1); if (Blob && binaryType === 'blob') { rest = new Blob([rest]); } return { type: packetslist[type], data: rest };};function tryDecode(data) { try { data = utf8.decode(data); } catch (e) { return false; } return data;}/** * Decodes a packet encoded in a base64 string * * @param {String} base64 encoded message * @return {Object} with `type` and `data` (if any) */exports.decodeBase64Packet = function(msg, binaryType) { var type = packetslist[msg.charAt(0)]; if (!base64encoder) { return { type: type, data: { base64: true, data: msg.substr(1) } }; } var data = base64encoder.decode(msg.substr(1)); if (binaryType === 'blob' && Blob) { data = new Blob([data]); } return { type: type, data: data };};/** * Encodes multiple messages (payload). * * <length>:data * * Example: * * 11:hello world2:hi * * If any contents are binary, they will be encoded as base64 strings. Base64 * encoded strings are marked with a b before the length specifier * * @param {Array} packets * @api private */exports.encodePayload = function (packets, supportsBinary, callback) { if (typeof supportsBinary == 'function') { callback = supportsBinary; supportsBinary = null; } var isBinary = hasBinary(packets); if (supportsBinary && isBinary) { if (Blob && !dontSendBlobs) { return exports.encodePayloadAsBlob(packets, callback); } return exports.encodePayloadAsArrayBuffer(packets, callback); } if (!packets.length) { return callback('0:'); } function setLengthHeader(message) { return message.length + ':' + message; } function encodeOne(packet, doneCallback) { exports.encodePacket(packet, !isBinary ? false : supportsBinary, 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); });};/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 28 *//***/ function(module, exports) {/** * Gets the keys for an object. * * @return {Array} keys * @api private */module.exports = Object.keys || function keys (obj){ var arr = []; var has = Object.prototype.hasOwnProperty; for (var i in obj) { if (has.call(obj, i)) { arr.push(i); } } return arr;};/***/ },/* 29 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {/* * Module requirements. */var isArray = __webpack_require__(15);/** * 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 && 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) { // see: https://github.com/Automattic/has-binary/pull/4 if (obj.toJSON && 'function' == typeof 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);}/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 30 *//***/ function(module, exports) {/** * An abstraction for slicing an arraybuffer even when * ArrayBuffer.prototype.slice is not supported * * @api public */module.exports = function(arraybuffer, start, end) { var bytes = arraybuffer.byteLength; start = start || 0; end = end || bytes; if (arraybuffer.slice) { return arraybuffer.slice(start, end); } if (start < 0) { start += bytes; } if (end < 0) { end += bytes; } if (end > bytes) { end = bytes; } if (start >= bytes || start >= end || bytes === 0) { return new ArrayBuffer(0); } var abv = new Uint8Array(arraybuffer); var result = new Uint8Array(end - start); for (var i = start, ii = 0; i < end; i++, ii++) { result[ii] = abv[i]; } return result.buffer;};/***/ },/* 31 *//***/ function(module, exports) {module.exports = afterfunction 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() {}/***/ },/* 32 *//***/ function(module, exports, __webpack_require__) {var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/*! https://mths.be/wtf8 v1.0.0 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/punycodefunction 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 characterextra = string.charCodeAt(counter++);if ((extra & 0xFC00) == 0xDC00) { // low surrogateoutput.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 pairoutput.push(value);counter--;}} else {output.push(value);}}return output;}// Taken from https://mths.be/punycodefunction 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 createByte(codePoint, shift) {return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);}function encodeCodePoint(codePoint) {if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequencereturn stringFromCharCode(codePoint);}var symbol = '';if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequencesymbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);}else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequencesymbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);symbol += createByte(codePoint, 6);}else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequencesymbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);symbol += createByte(codePoint, 12);symbol += createByte(codePoint, 6);}symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);return symbol;}function wtf8encode(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 the first byte.byte1 = byteArray[byteIndex] & 0xFF;byteIndex++;// 1-byte sequence (no continuation bytes)if ((byte1 & 0x80) == 0) {return byte1;}// 2-byte sequenceif ((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) {return codePoint;} else {throw Error('Invalid continuation byte');}}// 4-byte sequenceif ((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 WTF-8 detected');}var byteArray;var byteCount;var byteIndex;function wtf8decode(byteString) {byteArray = ucs2decode(byteString);byteCount = byteArray.length;byteIndex = 0;var codePoints = [];var tmp;while ((tmp = decodeSymbol()) !== false) {codePoints.push(tmp);}return ucs2encode(codePoints);}/*--------------------------------------------------------------------------*/var wtf8 = {'version': '1.0.0','encode': wtf8encode,'decode': wtf8decode};// Some AMD build optimizers, like r.js, check for specific condition patterns// like the following:if (true) {!(__WEBPACK_AMD_DEFINE_RESULT__ = function() {return wtf8;}.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));}else if (freeExports && !freeExports.nodeType) {if (freeModule) { // in Node.js or RingoJS v0.8.0+freeModule.exports = wtf8;} else { // in Narwhal or RingoJS v0.7.0-var object = {};var hasOwnProperty = object.hasOwnProperty;for (var key in wtf8) {hasOwnProperty.call(wtf8, key) && (freeExports[key] = wtf8[key]);}}} else { // in Rhino or a web browserroot.wtf8 = wtf8;}}(this));/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(12)(module), (function() { return this; }())))/***/ },/* 33 *//***/ function(module, exports) {/* * base64-arraybuffer * https://github.com/niklasvh/base64-arraybuffer * * Copyright (c) 2012 Niklas von Hertzen * Licensed under the MIT license. */(function(){ "use strict"; var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; // Use a lookup table to find the index. var lookup = new Uint8Array(256); for (var i = 0; i < chars.length; i++) { lookup[chars.charCodeAt(i)] = i; } exports.encode = function(arraybuffer) { var bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = ""; for (i = 0; i < len; i+=3) { base64 += chars[bytes[i] >> 2]; base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)]; base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)]; base64 += chars[bytes[i + 2] & 63]; } if ((len % 3) === 2) { base64 = base64.substring(0, base64.length - 1) + "="; } else if (len % 3 === 1) { base64 = base64.substring(0, base64.length - 2) + "=="; } return base64; }; exports.decode = function(base64) { var bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4; if (base64[base64.length - 1] === "=") { bufferLength--; if (base64[base64.length - 2] === "=") { bufferLength--; } } var arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer); for (i = 0; i < len; i+=4) { encoded1 = lookup[base64.charCodeAt(i)]; encoded2 = lookup[base64.charCodeAt(i+1)]; encoded3 = lookup[base64.charCodeAt(i+2)]; encoded4 = lookup[base64.charCodeAt(i+3)]; bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63); } return arraybuffer; };})();/***/ },/* 34 *//***/ function(module, exports) {/* WEBPACK VAR INJECTION */(function(global) {/** * Create a blob builder even when vendor prefixes exist */var BlobBuilder = global.BlobBuilder || global.WebKitBlobBuilder || global.MSBlobBuilder || global.MozBlobBuilder;/** * Check if Blob constructor is supported */var blobSupported = (function() { try { var a = new Blob(['hi']); return a.size === 2; } catch(e) { return false; }})();/** * Check if Blob constructor supports ArrayBufferViews * Fails in Safari 6, so we need to map to ArrayBuffers there. */var blobSupportsArrayBufferView = blobSupported && (function() { try { var b = new Blob([new Uint8Array([1,2])]); return b.size === 2; } catch(e) { return false; }})();/** * Check if BlobBuilder is supported */var blobBuilderSupported = BlobBuilder && BlobBuilder.prototype.append && BlobBuilder.prototype.getBlob;/** * Helper function that maps ArrayBufferViews to ArrayBuffers * Used by BlobBuilder constructor and old browsers that didn't * support it in the Blob constructor. */function mapArrayBufferViews(ary) { for (var i = 0; i < ary.length; i++) { var chunk = ary[i]; if (chunk.buffer instanceof ArrayBuffer) { var buf = chunk.buffer; // if this is a subarray, make a copy so we only // include the subarray region from the underlying buffer if (chunk.byteLength !== buf.byteLength) { var copy = new Uint8Array(chunk.byteLength); copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength)); buf = copy.buffer; } ary[i] = buf; } }}function BlobBuilderConstructor(ary, options) { options = options || {}; var bb = new BlobBuilder(); mapArrayBufferViews(ary); for (var i = 0; i < ary.length; i++) { bb.append(ary[i]); } return (options.type) ? bb.getBlob(options.type) : bb.getBlob();};function BlobConstructor(ary, options) { mapArrayBufferViews(ary); return new Blob(ary, options || {});};module.exports = (function() { if (blobSupported) { return blobSupportsArrayBufferView ? global.Blob : BlobConstructor; } else if (blobBuilderSupported) { return BlobBuilderConstructor; } else { return undefined; }})();/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 35 *//***/ function(module, exports, __webpack_require__) {/** * Expose `Emitter`. */if (true) { module.exports = Emitter;}/** * Initialize a new `Emitter`. * * @api public */function Emitter(obj) { if (obj) return mixin(obj);};/** * Mixin the emitter properties. * * @param {Object} obj * @return {Object} * @api private */function mixin(obj) { for (var key in Emitter.prototype) { obj[key] = Emitter.prototype[key]; } return obj;}/** * Listen on the given `event` with `fn`. * * @param {String} event * @param {Function} fn * @return {Emitter} * @api public */Emitter.prototype.on =Emitter.prototype.addEventListener = function(event, fn){ this._callbacks = this._callbacks || {}; (this._callbacks['$' + event] = this._callbacks['$' + event] || []) .push(fn); return this;};/** * Adds an `event` listener that will be invoked a single * time then automatically removed. * * @param {String} event * @param {Function} fn * @return {Emitter} * @api public */Emitter.prototype.once = function(event, fn){ function on() { this.off(event, on); fn.apply(this, arguments); } on.fn = fn; this.on(event, on); return this;};/** * Remove the given callback for `event` or all * registered callbacks. * * @param {String} event * @param {Function} fn * @return {Emitter} * @api public */Emitter.prototype.off =Emitter.prototype.removeListener =Emitter.prototype.removeAllListeners =Emitter.prototype.removeEventListener = function(event, fn){ this._callbacks = this._callbacks || {}; // all if (0 == arguments.length) { this._callbacks = {}; return this; } // specific event var callbacks = this._callbacks['$' + event]; if (!callbacks) return this; // remove all handlers if (1 == arguments.length) { delete this._callbacks['$' + event]; return this; } // remove specific handler var cb; for (var i = 0; i < callbacks.length; i++) { cb = callbacks[i]; if (cb === fn || cb.fn === fn) { callbacks.splice(i, 1); break; } } return this;};/** * Emit `event` with the given args. * * @param {String} event * @param {Mixed} ... * @return {Emitter} */Emitter.prototype.emit = function(event){ this._callbacks = this._callbacks || {}; var args = [].slice.call(arguments, 1) , callbacks = this._callbacks['$' + event]; if (callbacks) { callbacks = callbacks.slice(0); for (var i = 0, len = callbacks.length; i < len; ++i) { callbacks[i].apply(this, args); } } return this;};/** * Return array of callbacks for `event`. * * @param {String} event * @return {Array} * @api public */Emitter.prototype.listeners = function(event){ this._callbacks = this._callbacks || {}; return this._callbacks['$' + event] || [];};/** * Check if this emitter has `event` handlers. * * @param {String} event * @return {Boolean} * @api public */Emitter.prototype.hasListeners = function(event){ return !! this.listeners(event).length;};/***/ },/* 36 *//***/ function(module, exports) {/** * Compiles a querystring * Returns string representation of the object * * @param {Object} * @api private */exports.encode = function (obj) { var str = ''; for (var i in obj) { if (obj.hasOwnProperty(i)) { if (str.length) str += '&'; str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); } } return str;};/** * Parses a simple querystring into an object * * @param {String} qs * @api private */exports.decode = function(qs){ var qry = {}; var pairs = qs.split('&'); for (var i = 0, l = pairs.length; i < l; i++) { var pair = pairs[i].split('='); qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); } return qry;};/***/ },/* 37 *//***/ function(module, exports) {module.exports = function(a, b){ var fn = function(){}; fn.prototype = b.prototype; a.prototype = new fn; a.prototype.constructor = a;};/***/ },/* 38 *//***/ function(module, exports) {'use strict';var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('') , length = 64 , map = {} , seed = 0 , i = 0 , prev;/** * Return a string representing the specified number. * * @param {Number} num The number to convert. * @returns {String} The string representation of the number. * @api public */function encode(num) { var encoded = ''; do { encoded = alphabet[num % length] + encoded; num = Math.floor(num / length); } while (num > 0); return encoded;}/** * Return the integer value specified by the given string. * * @param {String} str The string to convert. * @returns {Number} The integer value represented by the string. * @api public */function decode(str) { var decoded = 0; for (i = 0; i < str.length; i++) { decoded = decoded * length + map[str.charAt(i)]; } return decoded;}/** * Yeast: A tiny growing id generator. * * @returns {String} A unique id. * @api public */function yeast() { var now = encode(+new Date()); if (now !== prev) return seed = 0, prev = now; return now +'.'+ encode(seed++);}//// Map each character to its index.//for (; i < length; i++) map[alphabet[i]] = i;//// Expose the `yeast`, `encode` and `decode` functions.//yeast.encode = encode;yeast.decode = decode;module.exports = yeast;/***/ },/* 39 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {/** * Module requirements. */var Polling = __webpack_require__(25);var inherit = __webpack_require__(37);/** * Module exports. */module.exports = JSONPPolling;/** * Cached regular expressions. */var rNewline = /\n/g;var rEscapedNewline = /\\n/g;/** * Global JSONP callbacks. */var callbacks;/** * Noop. */function empty () { }/** * JSONP Polling constructor. * * @param {Object} opts. * @api public */function JSONPPolling (opts) { Polling.call(this, opts); this.query = this.query || {}; // define global callbacks array if not present // we do this here (lazily) to avoid unneeded global pollution if (!callbacks) { // we need to consider multiple engines in the same page if (!global.___eio) global.___eio = []; callbacks = global.___eio; } // callback identifier this.index = callbacks.length; // add callback to jsonp global var self = this; callbacks.push(function (msg) { self.onData(msg); }); // append to query string this.query.j = this.index; // prevent spurious errors from being emitted when the window is unloaded if (global.document && global.addEventListener) { global.addEventListener('beforeunload', function () { if (self.script) self.script.onerror = empty; }, false); }}/** * Inherits from Polling. */inherit(JSONPPolling, Polling);/* * JSONP only supports binary as base64 encoded strings */JSONPPolling.prototype.supportsBinary = false;/** * Closes the socket. * * @api private */JSONPPolling.prototype.doClose = function () { if (this.script) { this.script.parentNode.removeChild(this.script); this.script = null; } if (this.form) { this.form.parentNode.removeChild(this.form); this.form = null; this.iframe = null; } Polling.prototype.doClose.call(this);};/** * Starts a poll cycle. * * @api private */JSONPPolling.prototype.doPoll = function () { var self = this; var script = document.createElement('script'); if (this.script) { this.script.parentNode.removeChild(this.script); this.script = null; } script.async = true; script.src = this.uri(); script.onerror = function (e) { self.onError('jsonp poll error', e); }; var insertAt = document.getElementsByTagName('script')[0]; if (insertAt) { insertAt.parentNode.insertBefore(script, insertAt); } else { (document.head || document.body).appendChild(script); } this.script = script; var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent); if (isUAgecko) { setTimeout(function () { var iframe = document.createElement('iframe'); document.body.appendChild(iframe); document.body.removeChild(iframe); }, 100); }};/** * Writes with a hidden iframe. * * @param {String} data to send * @param {Function} called upon flush. * @api private */JSONPPolling.prototype.doWrite = function (data, fn) { var self = this; if (!this.form) { var form = document.createElement('form'); var area = document.createElement('textarea'); var id = this.iframeId = 'eio_iframe_' + this.index; var iframe; form.className = 'socketio'; form.style.position = 'absolute'; form.style.top = '-1000px'; form.style.left = '-1000px'; form.target = id; form.method = 'POST'; form.setAttribute('accept-charset', 'utf-8'); area.name = 'd'; form.appendChild(area); document.body.appendChild(form); this.form = form; this.area = area; } this.form.action = this.uri(); function complete () { initIframe(); fn(); } function initIframe () { if (self.iframe) { try { self.form.removeChild(self.iframe); } catch (e) { self.onError('jsonp polling iframe removal error', e); } } try { // ie6 dynamic iframes with target="" support (thanks Chris Lambacher) var html = '<iframe src="javascript:0" name="' + self.iframeId + '">'; iframe = document.createElement(html); } catch (e) { iframe = document.createElement('iframe'); iframe.name = self.iframeId; iframe.src = 'javascript:0'; } iframe.id = self.iframeId; self.form.appendChild(iframe); self.iframe = iframe; } initIframe(); // escape \n to prevent it from being converted into \r\n by some UAs // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side data = data.replace(rEscapedNewline, '\\\n'); this.area.value = data.replace(rNewline, '\\n'); try { this.form.submit(); } catch (e) {} if (this.iframe.attachEvent) { this.iframe.onreadystatechange = function () { if (self.iframe.readyState === 'complete') { complete(); } }; } else { this.iframe.onload = complete; }};/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 40 *//***/ function(module, exports, __webpack_require__) {/* WEBPACK VAR INJECTION */(function(global) {/** * Module dependencies. */var Transport = __webpack_require__(26);var parser = __webpack_require__(27);var parseqs = __webpack_require__(36);var inherit = __webpack_require__(37);var yeast = __webpack_require__(38);var debug = __webpack_require__(3)('engine.io-client:websocket');var BrowserWebSocket = global.WebSocket || global.MozWebSocket;var NodeWebSocket;if (typeof window === 'undefined') { try { NodeWebSocket = __webpack_require__(41); } catch (e) { }}/** * Get either the `WebSocket` or `MozWebSocket` globals * in the browser or try to resolve WebSocket-compatible * interface exposed by `ws` for Node-like environment. */var WebSocket = BrowserWebSocket;if (!WebSocket && typeof window === 'undefined') { WebSocket = NodeWebSocket;}/** * Module exports. */module.exports = WS;/** * WebSocket transport constructor. * * @api {Object} connection options * @api public */function WS (opts) { var forceBase64 = (opts && opts.forceBase64); if (forceBase64) { this.supportsBinary = false; } this.perMessageDeflate = opts.perMessageDeflate; this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode; if (!this.usingBrowserWebSocket) { WebSocket = NodeWebSocket; } Transport.call(this, opts);}/** * Inherits from Transport. */inherit(WS, Transport);/** * Transport name. * * @api public */WS.prototype.name = 'websocket';/* * WebSockets support binary */WS.prototype.supportsBinary = true;/** * Opens socket. * * @api private */WS.prototype.doOpen = function () { if (!this.check()) { // let probe timeout return; } var uri = this.uri(); var protocols = void (0); var opts = { agent: this.agent, perMessageDeflate: this.perMessageDeflate }; // SSL options for Node.js client opts.pfx = this.pfx; opts.key = this.key; opts.passphrase = this.passphrase; opts.cert = this.cert; opts.ca = this.ca; opts.ciphers = this.ciphers; opts.rejectUnauthorized = this.rejectUnauthorized; if (this.extraHeaders) { opts.headers = this.extraHeaders; } if (this.localAddress) { opts.localAddress = this.localAddress; } try { this.ws = this.usingBrowserWebSocket ? new WebSocket(uri) : new WebSocket(uri, protocols, opts); } catch (err) { return this.emit('error', err); } if (this.ws.binaryType === undefined) { this.supportsBinary = false; } if (this.ws.supports && this.ws.supports.binary) { this.supportsBinary = true; this.ws.binaryType = 'nodebuffer'; } else { this.ws.binaryType = 'arraybuffer'; } this.addEventListeners();};/** * Adds event listeners to the socket * * @api private */WS.prototype.addEventListeners = function () { var self = this; this.ws.onopen = function () { self.onOpen(); }; this.ws.onclose = function () { self.onClose(); }; this.ws.onmessage = function (ev) { self.onData(ev.data); }; this.ws.onerror = function (e) { self.onError('websocket error', e); };};/** * Writes data to socket. * * @param {Array} array of packets. * @api private */WS.prototype.write = function (packets) { var self = this; this.writable = false; // encodePacket efficient as it uses WS framing // no need for encodePayload var total = packets.length; for (var i = 0, l = total; i < l; i++) { (function (packet) { parser.encodePacket(packet, self.supportsBinary, function (data) { if (!self.usingBrowserWebSocket) { // always create a new object (GH-437) var opts = {}; if (packet.options) { opts.compress = packet.options.compress; } if (self.perMessageDeflate) { var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length; if (len < self.perMessageDeflate.threshold) { opts.compress = false; } } } // Sometimes the websocket has already been closed but the browser didn't // have a chance of informing us about it yet, in that case send will // throw an error try { if (self.usingBrowserWebSocket) { // TypeError is thrown when passing the second argument on Safari self.ws.send(data); } else { self.ws.send(data, opts); } } catch (e) { debug('websocket closed before onclose event'); } --total || done(); }); })(packets[i]); } function done () { self.emit('flush'); // fake drain // defer to next tick to allow Socket to clear writeBuffer setTimeout(function () { self.writable = true; self.emit('drain'); }, 0); }};/** * Called upon close * * @api private */WS.prototype.onClose = function () { Transport.prototype.onClose.call(this);};/** * Closes socket. * * @api private */WS.prototype.doClose = function () { if (typeof this.ws !== 'undefined') { this.ws.close(); }};/** * Generates uri for connection. * * @api private */WS.prototype.uri = function () { var query = this.query || {}; var schema = this.secure ? 'wss' : 'ws'; var port = ''; // avoid port if default for schema if (this.port && (('wss' === schema && Number(this.port) !== 443) || ('ws' === schema && Number(this.port) !== 80))) { port = ':' + this.port; } // append timestamp to URI if (this.timestampRequests) { query[this.timestampParam] = yeast(); } // communicate binary support capabilities if (!this.supportsBinary) { query.b64 = 1; } query = parseqs.encode(query); // prepend ? to query if (query.length) { query = '?' + query; } var ipv6 = this.hostname.indexOf(':') !== -1; return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;};/** * Feature detection for WebSocket. * * @return {Boolean} whether this transport is available. * @api public */WS.prototype.check = function () { return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);};/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 41 *//***/ function(module, exports) {/* (ignored) *//***/ },/* 42 *//***/ function(module, exports) {var indexOf = [].indexOf;module.exports = function(arr, obj){ if (indexOf) return arr.indexOf(obj); for (var i = 0; i < arr.length; ++i) { if (arr[i] === obj) return i; } return -1;};/***/ },/* 43 *//***/ function(module, exports) {/* WEBPACK VAR INJECTION */(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))(); }};/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))/***/ },/* 44 *//***/ function(module, exports, __webpack_require__) {'use strict';/** * Module dependencies. */var parser = __webpack_require__(7);var Emitter = __webpack_require__(35);var toArray = __webpack_require__(45);var on = __webpack_require__(46);var bind = __webpack_require__(47);var debug = __webpack_require__(3)('socket.io-client:socket');var hasBin = __webpack_require__(29);/** * 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, connecting: 1, disconnect: 1, error: 1, reconnect: 1, reconnect_attempt: 1, reconnect_failed: 1, reconnect_error: 1, reconnecting: 1, ping: 1, pong: 1};/** * Shortcut to `Emitter#emit`. */var emit = Emitter.prototype.emit;/** * `Socket` constructor. * * @api public */function Socket(io, nsp, opts) { this.io = io; this.nsp = nsp; this.json = this; // compat this.ids = 0; this.acks = {}; this.receiveBuffer = []; this.sendBuffer = []; this.connected = false; this.disconnected = true; if (opts && opts.query) { this.query = opts.query; } if (this.io.autoConnect) this.open();}/** * 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(); this.emit('connecting'); 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 }; packet.options = {}; packet.options.compress = !this.flags || false !== this.flags.compress; // 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); } delete this.flags; 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) { if (this.query) { this.packet({ type: parser.CONNECT, query: this.query }); } else { 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) { var ack = this.acks[packet.id]; if ('function' === typeof ack) { debug('calling ack %s with %j', packet.id, packet.data); ack.apply(this, packet.data); delete this.acks[packet.id]; } else { debug('bad ack %s', 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;};/** * Sets the compress flag. * * @param {Boolean} if `true`, compresses the sending data * @return {Socket} self * @api public */Socket.prototype.compress = function (compress) { this.flags = this.flags || {}; this.flags.compress = compress; return this;};/***/ },/* 45 *//***/ function(module, exports) {module.exports = toArrayfunction toArray(list, index) { var array = [] index = index || 0 for (var i = index || 0; i < list.length; i++) { array[i - index] = list[i] } return array}/***/ },/* 46 *//***/ function(module, exports) {"use strict";/** * 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 destroy() { obj.removeListener(ev, fn); } };}/***/ },/* 47 *//***/ function(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))); }};/***/ },/* 48 *//***/ function(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;};/***/ }/******/ ])});;//# sourceMappingURL=socket.io.js.map服务端运行：
/Users/jianan/Desktop/test-nodejs/test-socket.io
node server.js
客户端运行:
http://localhost:8000/index.html
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