/*! Socket.IO.js build:0.9.6, development. Copyright(c) 2011 LearnBoost MIT Licensed */ /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, global) { /** * IO namespace. * * @namespace */ var io = exports; /** * Socket.IO version * * @api public */ io.version = '0.9.6'; /** * Protocol implemented. * * @api public */ io.protocol = 1; /** * Available transports, these will be populated with the available transports * * @api public */ io.transports = []; /** * Keep track of jsonp callbacks. * * @api private */ io.j = []; /** * Keep track of our io.Sockets * * @api private */ io.sockets = {}; /** * Manages connections to hosts. * * @param {String} uri * @Param {Boolean} force creation of new socket (defaults to false) * @api public */ io.connect = function (host, details) { var uri = io.util.parseUri(host) , uuri , socket; if (global && global.location) { uri.protocol = uri.protocol || global.location.protocol.slice(0, -1); uri.host = uri.host || (global.document ? global.document.domain : global.location.hostname); uri.port = uri.port || global.location.port; } uuri = io.util.uniqueUri(uri); var options = { host: uri.host , secure: 'https' == uri.protocol , port: uri.port || ('https' == uri.protocol ? 443 : 80) , query: uri.query || '' }; io.util.merge(options, details); if (options['force new connection'] || !io.sockets[uuri]) { socket = new io.Socket(options); } if (!options['force new connection'] && socket) { io.sockets[uuri] = socket; } socket = socket || io.sockets[uuri]; // if path is different from '' or / return socket.of(uri.path.length > 1 ? uri.path : ''); }; })('object' === typeof module ? module.exports : (this.io = {}), this); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, global) { /** * Utilities namespace. * * @namespace */ var util = exports.util = {}; /** * Parses an URI * * @author Steven Levithan (MIT license) * @api public */ var re = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor']; util.parseUri = function (str) { var m = re.exec(str || '') , uri = {} , i = 14; while (i--) { uri[parts[i]] = m[i] || ''; } return uri; }; /** * Produces a unique url that identifies a Socket.IO connection. * * @param {Object} uri * @api public */ util.uniqueUri = function (uri) { var protocol = uri.protocol , host = uri.host , port = uri.port; if ('document' in global) { host = host || document.domain; port = port || (protocol == 'https' && document.location.protocol !== 'https:' ? 443 : document.location.port); } else { host = host || 'localhost'; if (!port && protocol == 'https') { port = 443; } } return (protocol || 'http') + '://' + host + ':' + (port || 80); }; /** * Mergest 2 query strings in to once unique query string * * @param {String} base * @param {String} addition * @api public */ util.query = function (base, addition) { var query = util.chunkQuery(base || '') , components = []; util.merge(query, util.chunkQuery(addition || '')); for (var part in query) { if (query.hasOwnProperty(part)) { components.push(part + '=' + query[part]); } } return components.length ? '?' + components.join('&') : ''; }; /** * Transforms a querystring in to an object * * @param {String} qs * @api public */ util.chunkQuery = function (qs) { var query = {} , params = qs.split('&') , i = 0 , l = params.length , kv; for (; i < l; ++i) { kv = params[i].split('='); if (kv[0]) { query[kv[0]] = kv[1]; } } return query; }; /** * Executes the given function when the page is loaded. * * io.util.load(function () { console.log('page loaded'); }); * * @param {Function} fn * @api public */ var pageLoaded = false; util.load = function (fn) { if ('document' in global && document.readyState === 'complete' || pageLoaded) { return fn(); } util.on(global, 'load', fn, false); }; /** * Adds an event. * * @api private */ util.on = function (element, event, fn, capture) { if (element.attachEvent) { element.attachEvent('on' + event, fn); } else if (element.addEventListener) { element.addEventListener(event, fn, capture); } }; /** * Generates the correct `XMLHttpRequest` for regular and cross domain requests. * * @param {Boolean} [xdomain] Create a request that can be used cross domain. * @returns {XMLHttpRequest|false} If we can create a XMLHttpRequest. * @api private */ util.request = function (xdomain) { if (xdomain && 'undefined' != typeof XDomainRequest) { return new XDomainRequest(); } if ('undefined' != typeof XMLHttpRequest && (!xdomain || util.ua.hasCORS)) { return new XMLHttpRequest(); } if (!xdomain) { try { return new window[(['Active'].concat('Object').join('X'))]('Microsoft.XMLHTTP'); } catch(e) { } } return null; }; /** * XHR based transport constructor. * * @constructor * @api public */ /** * Change the internal pageLoaded value. */ if ('undefined' != typeof window) { util.load(function () { pageLoaded = true; }); } /** * Defers a function to ensure a spinner is not displayed by the browser * * @param {Function} fn * @api public */ util.defer = function (fn) { if (!util.ua.webkit || 'undefined' != typeof importScripts) { return fn(); } util.load(function () { setTimeout(fn, 100); }); }; /** * Merges two objects. * * @api public */ util.merge = function merge (target, additional, deep, lastseen) { var seen = lastseen || [] , depth = typeof deep == 'undefined' ? 2 : deep , prop; for (prop in additional) { if (additional.hasOwnProperty(prop) && util.indexOf(seen, prop) < 0) { if (typeof target[prop] !== 'object' || !depth) { target[prop] = additional[prop]; seen.push(additional[prop]); } else { util.merge(target[prop], additional[prop], depth - 1, seen); } } } return target; }; /** * Merges prototypes from objects * * @api public */ util.mixin = function (ctor, ctor2) { util.merge(ctor.prototype, ctor2.prototype); }; /** * Shortcut for prototypical and static inheritance. * * @api private */ util.inherit = function (ctor, ctor2) { function f() {}; f.prototype = ctor2.prototype; ctor.prototype = new f; }; /** * Checks if the given object is an Array. * * io.util.isArray([]); // true * io.util.isArray({}); // false * * @param Object obj * @api public */ util.isArray = Array.isArray || function (obj) { return Object.prototype.toString.call(obj) === '[object Array]'; }; /** * Intersects values of two arrays into a third * * @api public */ util.intersect = function (arr, arr2) { var ret = [] , longest = arr.length > arr2.length ? arr : arr2 , shortest = arr.length > arr2.length ? arr2 : arr; for (var i = 0, l = shortest.length; i < l; i++) { if (~util.indexOf(longest, shortest[i])) ret.push(shortest[i]); } return ret; } /** * Array indexOf compatibility. * * @see bit.ly/a5Dxa2 * @api public */ util.indexOf = function (arr, o, i) { for (var j = arr.length, i = i < 0 ? i + j < 0 ? 0 : i + j : i || 0; i < j && arr[i] !== o; i++) {} return j <= i ? -1 : i; }; /** * Converts enumerables to array. * * @api public */ util.toArray = function (enu) { var arr = []; for (var i = 0, l = enu.length; i < l; i++) arr.push(enu[i]); return arr; }; /** * UA / engines detection namespace. * * @namespace */ util.ua = {}; /** * Whether the UA supports CORS for XHR. * * @api public */ util.ua.hasCORS = 'undefined' != typeof XMLHttpRequest && (function () { try { var a = new XMLHttpRequest(); } catch (e) { return false; } return a.withCredentials != undefined; })(); /** * Detect webkit. * * @api public */ util.ua.webkit = 'undefined' != typeof navigator && /webkit/i.test(navigator.userAgent); })('undefined' != typeof io ? io : module.exports, this); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, io) { /** * Expose constructor. */ exports.EventEmitter = EventEmitter; /** * Event emitter constructor. * * @api public. */ function EventEmitter () {}; /** * Adds a listener * * @api public */ EventEmitter.prototype.on = function (name, fn) { if (!this.$events) { this.$events = {}; } if (!this.$events[name]) { this.$events[name] = fn; } else if (io.util.isArray(this.$events[name])) { this.$events[name].push(fn); } else { this.$events[name] = [this.$events[name], fn]; } return this; }; EventEmitter.prototype.addListener = EventEmitter.prototype.on; /** * Adds a volatile listener. * * @api public */ EventEmitter.prototype.once = function (name, fn) { var self = this; function on () { self.removeListener(name, on); fn.apply(this, arguments); }; on.listener = fn; this.on(name, on); return this; }; /** * Removes a listener. * * @api public */ EventEmitter.prototype.removeListener = function (name, fn) { if (this.$events && this.$events[name]) { var list = this.$events[name]; if (io.util.isArray(list)) { var pos = -1; for (var i = 0, l = list.length; i < l; i++) { if (list[i] === fn || (list[i].listener && list[i].listener === fn)) { pos = i; break; } } if (pos < 0) { return this; } list.splice(pos, 1); if (!list.length) { delete this.$events[name]; } } else if (list === fn || (list.listener && list.listener === fn)) { delete this.$events[name]; } } return this; }; /** * Removes all listeners for an event. * * @api public */ EventEmitter.prototype.removeAllListeners = function (name) { // TODO: enable this when node 0.5 is stable //if (name === undefined) { //this.$events = {}; //return this; //} if (this.$events && this.$events[name]) { this.$events[name] = null; } return this; }; /** * Gets all listeners for a certain event. * * @api publci */ EventEmitter.prototype.listeners = function (name) { if (!this.$events) { this.$events = {}; } if (!this.$events[name]) { this.$events[name] = []; } if (!io.util.isArray(this.$events[name])) { this.$events[name] = [this.$events[name]]; } return this.$events[name]; }; /** * Emits an event. * * @api public */ EventEmitter.prototype.emit = function (name) { if (!this.$events) { return false; } var handler = this.$events[name]; if (!handler) { return false; } var args = Array.prototype.slice.call(arguments, 1); if ('function' == typeof handler) { handler.apply(this, args); } else if (io.util.isArray(handler)) { var listeners = handler.slice(); for (var i = 0, l = listeners.length; i < l; i++) { listeners[i].apply(this, args); } } else { return false; } return true; }; })( 'undefined' != typeof io ? io : module.exports , 'undefined' != typeof io ? io : module.parent.exports ); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ /** * Based on JSON2 (http://www.JSON.org/js.html). */ (function (exports, nativeJSON) { "use strict"; // use native JSON if it's available if (nativeJSON && nativeJSON.parse){ return exports.JSON = { parse: nativeJSON.parse , stringify: nativeJSON.stringify } } var JSON = exports.JSON = {}; function f(n) { // Format integers to have at least two digits. return n < 10 ? '0' + n : n; } function date(d, key) { return isFinite(d.valueOf()) ? d.getUTCFullYear() + '-' + f(d.getUTCMonth() + 1) + '-' + f(d.getUTCDate()) + 'T' + f(d.getUTCHours()) + ':' + f(d.getUTCMinutes()) + ':' + f(d.getUTCSeconds()) + 'Z' : null; }; var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, gap, indent, meta = { // table of character substitutions '\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"' : '\\"', '\\': '\\\\' }, rep; function quote(string) { // If the string contains no control characters, no quote characters, and no // backslash characters, then we can safely slap some quotes around it. // Otherwise we must also replace the offending characters with safe escape // sequences. escapable.lastIndex = 0; return escapable.test(string) ? '"' + string.replace(escapable, function (a) { var c = meta[a]; return typeof c === 'string' ? c : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); }) + '"' : '"' + string + '"'; } function str(key, holder) { // Produce a string from holder[key]. var i, // The loop counter. k, // The member key. v, // The member value. length, mind = gap, partial, value = holder[key]; // If the value has a toJSON method, call it to obtain a replacement value. if (value instanceof Date) { value = date(key); } // If we were called with a replacer function, then call the replacer to // obtain a replacement value. if (typeof rep === 'function') { value = rep.call(holder, key, value); } // What happens next depends on the value's type. switch (typeof value) { case 'string': return quote(value); case 'number': // JSON numbers must be finite. Encode non-finite numbers as null. return isFinite(value) ? String(value) : 'null'; case 'boolean': case 'null': // If the value is a boolean or null, convert it to a string. Note: // typeof null does not produce 'null'. The case is included here in // the remote chance that this gets fixed someday. return String(value); // If the type is 'object', we might be dealing with an object or an array or // null. case 'object': // Due to a specification blunder in ECMAScript, typeof null is 'object', // so watch out for that case. if (!value) { return 'null'; } // Make an array to hold the partial results of stringifying this object value. gap += indent; partial = []; // Is the value an array? if (Object.prototype.toString.apply(value) === '[object Array]') { // The value is an array. Stringify every element. Use null as a placeholder // for non-JSON values. length = value.length; for (i = 0; i < length; i += 1) { partial[i] = str(i, value) || 'null'; } // Join all of the elements together, separated with commas, and wrap them in // brackets. v = partial.length === 0 ? '[]' : gap ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : '[' + partial.join(',') + ']'; gap = mind; return v; } // If the replacer is an array, use it to select the members to be stringified. if (rep && typeof rep === 'object') { length = rep.length; for (i = 0; i < length; i += 1) { if (typeof rep[i] === 'string') { k = rep[i]; v = str(k, value); if (v) { partial.push(quote(k) + (gap ? ': ' : ':') + v); } } } } else { // Otherwise, iterate through all of the keys in the object. for (k in value) { if (Object.prototype.hasOwnProperty.call(value, k)) { v = str(k, value); if (v) { partial.push(quote(k) + (gap ? ': ' : ':') + v); } } } } // Join all of the member texts together, separated with commas, // and wrap them in braces. v = partial.length === 0 ? '{}' : gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : '{' + partial.join(',') + '}'; gap = mind; return v; } } // If the JSON object does not yet have a stringify method, give it one. JSON.stringify = function (value, replacer, space) { // The stringify method takes a value and an optional replacer, and an optional // space parameter, and returns a JSON text. The replacer can be a function // that can replace values, or an array of strings that will select the keys. // A default replacer method can be provided. Use of the space parameter can // produce text that is more easily readable. var i; gap = ''; indent = ''; // If the space parameter is a number, make an indent string containing that // many spaces. if (typeof space === 'number') { for (i = 0; i < space; i += 1) { indent += ' '; } // If the space parameter is a string, it will be used as the indent string. } else if (typeof space === 'string') { indent = space; } // If there is a replacer, it must be a function or an array. // Otherwise, throw an error. rep = replacer; if (replacer && typeof replacer !== 'function' && (typeof replacer !== 'object' || typeof replacer.length !== 'number')) { throw new Error('JSON.stringify'); } // Make a fake root object containing our value under the key of ''. // Return the result of stringifying the value. return str('', {'': value}); }; // If the JSON object does not yet have a parse method, give it one. JSON.parse = function (text, reviver) { // The parse method takes a text and an optional reviver function, and returns // a JavaScript value if the text is a valid JSON text. var j; function walk(holder, key) { // The walk method is used to recursively walk the resulting structure so // that modifications can be made. var k, v, value = holder[key]; if (value && typeof value === 'object') { for (k in value) { if (Object.prototype.hasOwnProperty.call(value, k)) { v = walk(value, k); if (v !== undefined) { value[k] = v; } else { delete value[k]; } } } } return reviver.call(holder, key, value); } // Parsing happens in four stages. In the first stage, we replace certain // Unicode characters with escape sequences. JavaScript handles many characters // incorrectly, either silently deleting them, or treating them as line endings. text = String(text); cx.lastIndex = 0; if (cx.test(text)) { text = text.replace(cx, function (a) { return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); }); } // In the second stage, we run the text against regular expressions that look // for non-JSON patterns. We are especially concerned with '()' and 'new' // because they can cause invocation, and '=' because it can cause mutation. // But just to be safe, we want to reject all unexpected forms. // We split the second stage into 4 regexp operations in order to work around // crippling inefficiencies in IE's and Safari's regexp engines. First we // replace the JSON backslash pairs with '@' (a non-JSON character). Second, we // replace all simple value tokens with ']' characters. Third, we delete all // open brackets that follow a colon or comma or that begin the text. Finally, // we look to see that the remaining characters are only whitespace or ']' or // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. if (/^[\],:{}\s]*$/ .test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@') .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { // In the third stage we use the eval function to compile the text into a // JavaScript structure. The '{' operator is subject to a syntactic ambiguity // in JavaScript: it can begin a block or an object literal. We wrap the text // in parens to eliminate the ambiguity. j = eval('(' + text + ')'); // In the optional fourth stage, we recursively walk the new structure, passing // each name/value pair to a reviver function for possible transformation. return typeof reviver === 'function' ? walk({'': j}, '') : j; } // If the text is not JSON parseable, then a SyntaxError is thrown. throw new SyntaxError('JSON.parse'); }; })( 'undefined' != typeof io ? io : module.exports , typeof JSON !== 'undefined' ? JSON : undefined ); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, io) { /** * Parser namespace. * * @namespace */ var parser = exports.parser = {}; /** * Packet types. */ var packets = parser.packets = [ 'disconnect' , 'connect' , 'heartbeat' , 'message' , 'json' , 'event' , 'ack' , 'error' , 'noop' ]; /** * Errors reasons. */ var reasons = parser.reasons = [ 'transport not supported' , 'client not handshaken' , 'unauthorized' ]; /** * Errors advice. */ var advice = parser.advice = [ 'reconnect' ]; /** * Shortcuts. */ var JSON = io.JSON , indexOf = io.util.indexOf; /** * Encodes a packet. * * @api private */ parser.encodePacket = function (packet) { var type = indexOf(packets, packet.type) , id = packet.id || '' , endpoint = packet.endpoint || '' , ack = packet.ack , data = null; switch (packet.type) { case 'error': var reason = packet.reason ? indexOf(reasons, packet.reason) : '' , adv = packet.advice ? indexOf(advice, packet.advice) : ''; if (reason !== '' || adv !== '') data = reason + (adv !== '' ? ('+' + adv) : ''); break; case 'message': if (packet.data !== '') data = packet.data; break; case 'event': var ev = { name: packet.name }; if (packet.args && packet.args.length) { ev.args = packet.args; } data = JSON.stringify(ev); break; case 'json': data = JSON.stringify(packet.data); break; case 'connect': if (packet.qs) data = packet.qs; break; case 'ack': data = packet.ackId + (packet.args && packet.args.length ? '+' + JSON.stringify(packet.args) : ''); break; } // construct packet with required fragments var encoded = [ type , id + (ack == 'data' ? '+' : '') , endpoint ]; // data fragment is optional if (data !== null && data !== undefined) encoded.push(data); return encoded.join(':'); }; /** * Encodes multiple messages (payload). * * @param {Array} messages * @api private */ parser.encodePayload = function (packets) { var decoded = ''; if (packets.length == 1) return packets[0]; for (var i = 0, l = packets.length; i < l; i++) { var packet = packets[i]; decoded += '\ufffd' + packet.length + '\ufffd' + packets[i]; } return decoded; }; /** * Decodes a packet * * @api private */ var regexp = /([^:]+):([0-9]+)?(\+)?:([^:]+)?:?([\s\S]*)?/; parser.decodePacket = function (data) { var pieces = data.match(regexp); if (!pieces) return {}; var id = pieces[2] || '' , data = pieces[5] || '' , packet = { type: packets[pieces[1]] , endpoint: pieces[4] || '' }; // whether we need to acknowledge the packet if (id) { packet.id = id; if (pieces[3]) packet.ack = 'data'; else packet.ack = true; } // handle different packet types switch (packet.type) { case 'error': var pieces = data.split('+'); packet.reason = reasons[pieces[0]] || ''; packet.advice = advice[pieces[1]] || ''; break; case 'message': packet.data = data || ''; break; case 'event': try { var opts = JSON.parse(data); packet.name = opts.name; packet.args = opts.args; } catch (e) { } packet.args = packet.args || []; break; case 'json': try { packet.data = JSON.parse(data); } catch (e) { } break; case 'connect': packet.qs = data || ''; break; case 'ack': var pieces = data.match(/^([0-9]+)(\+)?(.*)/); if (pieces) { packet.ackId = pieces[1]; packet.args = []; if (pieces[3]) { try { packet.args = pieces[3] ? JSON.parse(pieces[3]) : []; } catch (e) { } } } break; case 'disconnect': case 'heartbeat': break; }; return packet; }; /** * Decodes data payload. Detects multiple messages * * @return {Array} messages * @api public */ parser.decodePayload = function (data) { // IE doesn't like data[i] for unicode chars, charAt works fine if (data.charAt(0) == '\ufffd') { var ret = []; for (var i = 1, length = ''; i < data.length; i++) { if (data.charAt(i) == '\ufffd') { ret.push(parser.decodePacket(data.substr(i + 1).substr(0, length))); i += Number(length) + 1; length = ''; } else { length += data.charAt(i); } } return ret; } else { return [parser.decodePacket(data)]; } }; })( 'undefined' != typeof io ? io : module.exports , 'undefined' != typeof io ? io : module.parent.exports ); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, io) { /** * Expose constructor. */ exports.Transport = Transport; /** * This is the transport template for all supported transport methods. * * @constructor * @api public */ function Transport (socket, sessid) { this.socket = socket; this.sessid = sessid; }; /** * Apply EventEmitter mixin. */ io.util.mixin(Transport, io.EventEmitter); /** * Handles the response from the server. When a new response is received * it will automatically update the timeout, decode the message and * forwards the response to the onMessage function for further processing. * * @param {String} data Response from the server. * @api private */ Transport.prototype.onData = function (data) { this.clearCloseTimeout(); // If the connection in currently open (or in a reopening state) reset the close // timeout since we have just received data. This check is necessary so // that we don't reset the timeout on an explicitly disconnected connection. if (this.socket.connected || this.socket.connecting || this.socket.reconnecting) { this.setCloseTimeout(); } if (data !== '') { // todo: we should only do decodePayload for xhr transports var msgs = io.parser.decodePayload(data); if (msgs && msgs.length) { for (var i = 0, l = msgs.length; i < l; i++) { this.onPacket(msgs[i]); } } } return this; }; /** * Handles packets. * * @api private */ Transport.prototype.onPacket = function (packet) { this.socket.setHeartbeatTimeout(); if (packet.type == 'heartbeat') { return this.onHeartbeat(); } if (packet.type == 'connect' && packet.endpoint == '') { this.onConnect(); } if (packet.type == 'error' && packet.advice == 'reconnect') { this.open = false; } this.socket.onPacket(packet); return this; }; /** * Sets close timeout * * @api private */ Transport.prototype.setCloseTimeout = function () { if (!this.closeTimeout) { var self = this; this.closeTimeout = setTimeout(function () { self.onDisconnect(); }, this.socket.closeTimeout); } }; /** * Called when transport disconnects. * * @api private */ Transport.prototype.onDisconnect = function () { if (this.close && this.open) this.close(); this.clearTimeouts(); this.socket.onDisconnect(); return this; }; /** * Called when transport connects * * @api private */ Transport.prototype.onConnect = function () { this.socket.onConnect(); return this; } /** * Clears close timeout * * @api private */ Transport.prototype.clearCloseTimeout = function () { if (this.closeTimeout) { clearTimeout(this.closeTimeout); this.closeTimeout = null; } }; /** * Clear timeouts * * @api private */ Transport.prototype.clearTimeouts = function () { this.clearCloseTimeout(); if (this.reopenTimeout) { clearTimeout(this.reopenTimeout); } }; /** * Sends a packet * * @param {Object} packet object. * @api private */ Transport.prototype.packet = function (packet) { this.send(io.parser.encodePacket(packet)); }; /** * Send the received heartbeat message back to server. So the server * knows we are still connected. * * @param {String} heartbeat Heartbeat response from the server. * @api private */ Transport.prototype.onHeartbeat = function (heartbeat) { this.packet({ type: 'heartbeat' }); }; /** * Called when the transport opens. * * @api private */ Transport.prototype.onOpen = function () { this.open = true; this.clearCloseTimeout(); this.socket.onOpen(); }; /** * Notifies the base when the connection with the Socket.IO server * has been disconnected. * * @api private */ Transport.prototype.onClose = function () { var self = this; /* FIXME: reopen delay causing a infinit loop this.reopenTimeout = setTimeout(function () { self.open(); }, this.socket.options['reopen delay']);*/ this.open = false; this.socket.onClose(); this.onDisconnect(); }; /** * Generates a connection url based on the Socket.IO URL Protocol. * See for more details. * * @returns {String} Connection url * @api private */ Transport.prototype.prepareUrl = function () { var options = this.socket.options; return this.scheme() + '://' + options.host + ':' + options.port + '/' + options.resource + '/' + io.protocol + '/' + this.name + '/' + this.sessid; }; /** * Checks if the transport is ready to start a connection. * * @param {Socket} socket The socket instance that needs a transport * @param {Function} fn The callback * @api private */ Transport.prototype.ready = function (socket, fn) { fn.call(this); }; })( 'undefined' != typeof io ? io : module.exports , 'undefined' != typeof io ? io : module.parent.exports ); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, io, global) { /** * Expose constructor. */ exports.Socket = Socket; /** * Create a new `Socket.IO client` which can establish a persistent * connection with a Socket.IO enabled server. * * @api public */ function Socket (options) { this.options = { port: 80 , secure: false , document: 'document' in global ? document : false , resource: 'socket.io' , transports: io.transports , 'connect timeout': 10000 , 'try multiple transports': true , 'reconnect': true , 'reconnection delay': 500 , 'reconnection limit': Infinity , 'reopen delay': 3000 , 'max reconnection attempts': 10 , 'sync disconnect on unload': true , 'auto connect': true , 'flash policy port': 10843 }; io.util.merge(this.options, options); this.connected = false; this.open = false; this.connecting = false; this.reconnecting = false; this.namespaces = {}; this.buffer = []; this.doBuffer = false; if (this.options['sync disconnect on unload'] && (!this.isXDomain() || io.util.ua.hasCORS)) { var self = this; io.util.on(global, 'unload', function () { self.disconnectSync(); }, false); } if (this.options['auto connect']) { this.connect(); } }; /** * Apply EventEmitter mixin. */ io.util.mixin(Socket, io.EventEmitter); /** * Returns a namespace listener/emitter for this socket * * @api public */ Socket.prototype.of = function (name) { if (!this.namespaces[name]) { this.namespaces[name] = new io.SocketNamespace(this, name); if (name !== '') { this.namespaces[name].packet({ type: 'connect' }); } } return this.namespaces[name]; }; /** * Emits the given event to the Socket and all namespaces * * @api private */ Socket.prototype.publish = function () { this.emit.apply(this, arguments); var nsp; for (var i in this.namespaces) { if (this.namespaces.hasOwnProperty(i)) { nsp = this.of(i); nsp.$emit.apply(nsp, arguments); } } }; /** * Performs the handshake * * @api private */ function empty () { }; Socket.prototype.handshake = function (fn) { var self = this , options = this.options; function complete (data) { if (data instanceof Error) { self.onError(data.message); } else { fn.apply(null, data.split(':')); } }; var url = [ 'http' + (options.secure ? 's' : '') + ':/' , options.host + ':' + options.port , options.resource , io.protocol , io.util.query(this.options.query, 't=' + +new Date) ].join('/'); if (this.isXDomain() && !io.util.ua.hasCORS) { var insertAt = document.getElementsByTagName('script')[0] , script = document.createElement('script'); script.src = url + '&jsonp=' + io.j.length; insertAt.parentNode.insertBefore(script, insertAt); io.j.push(function (data) { complete(data); script.parentNode.removeChild(script); }); } else { var xhr = io.util.request(); xhr.open('GET', url, true); xhr.withCredentials = true; xhr.onreadystatechange = function () { if (xhr.readyState == 4) { xhr.onreadystatechange = empty; if (xhr.status == 200) { complete(xhr.responseText); } else { !self.reconnecting && self.onError(xhr.responseText); } } }; xhr.send(null); } }; /** * Find an available transport based on the options supplied in the constructor. * * @api private */ Socket.prototype.getTransport = function (override) { var transports = override || this.transports, match; for (var i = 0, transport; transport = transports[i]; i++) { if (io.Transport[transport] && io.Transport[transport].check(this) && (!this.isXDomain() || io.Transport[transport].xdomainCheck())) { return new io.Transport[transport](this, this.sessionid); } } return null; }; /** * Connects to the server. * * @param {Function} [fn] Callback. * @returns {io.Socket} * @api public */ Socket.prototype.connect = function (fn) { if (this.connecting) { return this; } var self = this; this.handshake(function (sid, heartbeat, close, transports) { self.sessionid = sid; self.closeTimeout = close * 1000; self.heartbeatTimeout = heartbeat * 1000; self.transports = transports ? io.util.intersect( transports.split(',') , self.options.transports ) : self.options.transports; self.setHeartbeatTimeout(); function connect (transports){ if (self.transport) self.transport.clearTimeouts(); self.transport = self.getTransport(transports); if (!self.transport) return self.publish('connect_failed'); // once the transport is ready self.transport.ready(self, function () { self.connecting = true; self.publish('connecting', self.transport.name); self.transport.open(); if (self.options['connect timeout']) { self.connectTimeoutTimer = setTimeout(function () { if (!self.connected) { self.connecting = false; if (self.options['try multiple transports']) { if (!self.remainingTransports) { self.remainingTransports = self.transports.slice(0); } var remaining = self.remainingTransports; while (remaining.length > 0 && remaining.splice(0,1)[0] != self.transport.name) {} if (remaining.length){ connect(remaining); } else { self.publish('connect_failed'); } } } }, self.options['connect timeout']); } }); } connect(self.transports); self.once('connect', function (){ clearTimeout(self.connectTimeoutTimer); fn && typeof fn == 'function' && fn(); }); }); return this; }; /** * Clears and sets a new heartbeat timeout using the value given by the * server during the handshake. * * @api private */ Socket.prototype.setHeartbeatTimeout = function () { clearTimeout(this.heartbeatTimeoutTimer); var self = this; this.heartbeatTimeoutTimer = setTimeout(function () { self.transport.onClose(); }, this.heartbeatTimeout); }; /** * Sends a message. * * @param {Object} data packet. * @returns {io.Socket} * @api public */ Socket.prototype.packet = function (data) { if (this.connected && !this.doBuffer) { this.transport.packet(data); } else { this.buffer.push(data); } return this; }; /** * Sets buffer state * * @api private */ Socket.prototype.setBuffer = function (v) { this.doBuffer = v; if (!v && this.connected && this.buffer.length) { this.transport.payload(this.buffer); this.buffer = []; } }; /** * Disconnect the established connect. * * @returns {io.Socket} * @api public */ Socket.prototype.disconnect = function () { if (this.connected || this.connecting) { if (this.open) { this.of('').packet({ type: 'disconnect' }); } // handle disconnection immediately this.onDisconnect('booted'); } return this; }; /** * Disconnects the socket with a sync XHR. * * @api private */ Socket.prototype.disconnectSync = function () { // ensure disconnection var xhr = io.util.request() , uri = this.resource + '/' + io.protocol + '/' + this.sessionid; xhr.open('GET', uri, true); // handle disconnection immediately this.onDisconnect('booted'); }; /** * Check if we need to use cross domain enabled transports. Cross domain would * be a different port or different domain name. * * @returns {Boolean} * @api private */ Socket.prototype.isXDomain = function () { var port = global.location.port || ('https:' == global.location.protocol ? 443 : 80); return this.options.host !== global.location.hostname || this.options.port != port; }; /** * Called upon handshake. * * @api private */ Socket.prototype.onConnect = function () { if (!this.connected) { this.connected = true; this.connecting = false; if (!this.doBuffer) { // make sure to flush the buffer this.setBuffer(false); } this.emit('connect'); } }; /** * Called when the transport opens * * @api private */ Socket.prototype.onOpen = function () { this.open = true; }; /** * Called when the transport closes. * * @api private */ Socket.prototype.onClose = function () { this.open = false; clearTimeout(this.heartbeatTimeoutTimer); }; /** * Called when the transport first opens a connection * * @param text */ Socket.prototype.onPacket = function (packet) { this.of(packet.endpoint).onPacket(packet); }; /** * Handles an error. * * @api private */ Socket.prototype.onError = function (err) { if (err && err.advice) { if (err.advice === 'reconnect' && (this.connected || this.connecting)) { this.disconnect(); if (this.options.reconnect) { this.reconnect(); } } } this.publish('error', err && err.reason ? err.reason : err); }; /** * Called when the transport disconnects. * * @api private */ Socket.prototype.onDisconnect = function (reason) { var wasConnected = this.connected , wasConnecting = this.connecting; this.connected = false; this.connecting = false; this.open = false; if (wasConnected || wasConnecting) { this.transport.close(); this.transport.clearTimeouts(); if (wasConnected) { this.publish('disconnect', reason); if ('booted' != reason && this.options.reconnect && !this.reconnecting) { this.reconnect(); } } } }; /** * Called upon reconnection. * * @api private */ Socket.prototype.reconnect = function () { this.reconnecting = true; this.reconnectionAttempts = 0; this.reconnectionDelay = this.options['reconnection delay']; var self = this , maxAttempts = this.options['max reconnection attempts'] , tryMultiple = this.options['try multiple transports'] , limit = this.options['reconnection limit']; function reset () { if (self.connected) { for (var i in self.namespaces) { if (self.namespaces.hasOwnProperty(i) && '' !== i) { self.namespaces[i].packet({ type: 'connect' }); } } self.publish('reconnect', self.transport.name, self.reconnectionAttempts); } clearTimeout(self.reconnectionTimer); self.removeListener('connect_failed', maybeReconnect); self.removeListener('connect', maybeReconnect); self.reconnecting = false; delete self.reconnectionAttempts; delete self.reconnectionDelay; delete self.reconnectionTimer; delete self.redoTransports; self.options['try multiple transports'] = tryMultiple; }; function maybeReconnect () { if (!self.reconnecting) { return; } if (self.connected) { return reset(); }; if (self.connecting && self.reconnecting) { return self.reconnectionTimer = setTimeout(maybeReconnect, 1000); } if (self.reconnectionAttempts++ >= maxAttempts) { if (!self.redoTransports) { self.on('connect_failed', maybeReconnect); self.options['try multiple transports'] = true; self.transport = self.getTransport(); self.redoTransports = true; self.connect(); } else { self.publish('reconnect_failed'); reset(); } } else { if (self.reconnectionDelay < limit) { self.reconnectionDelay *= 2; // exponential back off } self.connect(); self.publish('reconnecting', self.reconnectionDelay, self.reconnectionAttempts); self.reconnectionTimer = setTimeout(maybeReconnect, self.reconnectionDelay); } }; this.options['try multiple transports'] = false; this.reconnectionTimer = setTimeout(maybeReconnect, this.reconnectionDelay); this.on('connect', maybeReconnect); }; })( 'undefined' != typeof io ? io : module.exports , 'undefined' != typeof io ? io : module.parent.exports , this ); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, io) { /** * Expose constructor. */ exports.SocketNamespace = SocketNamespace; /** * Socket namespace constructor. * * @constructor * @api public */ function SocketNamespace (socket, name) { this.socket = socket; this.name = name || ''; this.flags = {}; this.json = new Flag(this, 'json'); this.ackPackets = 0; this.acks = {}; }; /** * Apply EventEmitter mixin. */ io.util.mixin(SocketNamespace, io.EventEmitter); /** * Copies emit since we override it * * @api private */ SocketNamespace.prototype.$emit = io.EventEmitter.prototype.emit; /** * Creates a new namespace, by proxying the request to the socket. This * allows us to use the synax as we do on the server. * * @api public */ SocketNamespace.prototype.of = function () { return this.socket.of.apply(this.socket, arguments); }; /** * Sends a packet. * * @api private */ SocketNamespace.prototype.packet = function (packet) { packet.endpoint = this.name; this.socket.packet(packet); this.flags = {}; return this; }; /** * Sends a message * * @api public */ SocketNamespace.prototype.send = function (data, fn) { var packet = { type: this.flags.json ? 'json' : 'message' , data: data }; if ('function' == typeof fn) { packet.id = ++this.ackPackets; packet.ack = true; this.acks[packet.id] = fn; } return this.packet(packet); }; /** * Emits an event * * @api public */ SocketNamespace.prototype.emit = function (name) { var args = Array.prototype.slice.call(arguments, 1) , lastArg = args[args.length - 1] , packet = { type: 'event' , name: name }; if ('function' == typeof lastArg) { packet.id = ++this.ackPackets; packet.ack = 'data'; this.acks[packet.id] = lastArg; args = args.slice(0, args.length - 1); } packet.args = args; return this.packet(packet); }; /** * Disconnects the namespace * * @api private */ SocketNamespace.prototype.disconnect = function () { if (this.name === '') { this.socket.disconnect(); } else { this.packet({ type: 'disconnect' }); this.$emit('disconnect'); } return this; }; /** * Handles a packet * * @api private */ SocketNamespace.prototype.onPacket = function (packet) { var self = this; function ack () { self.packet({ type: 'ack' , args: io.util.toArray(arguments) , ackId: packet.id }); }; switch (packet.type) { case 'connect': this.$emit('connect'); break; case 'disconnect': if (this.name === '') { this.socket.onDisconnect(packet.reason || 'booted'); } else { this.$emit('disconnect', packet.reason); } break; case 'message': case 'json': var params = ['message', packet.data]; if (packet.ack == 'data') { params.push(ack); } else if (packet.ack) { this.packet({ type: 'ack', ackId: packet.id }); } this.$emit.apply(this, params); break; case 'event': var params = [packet.name].concat(packet.args); if (packet.ack == 'data') params.push(ack); this.$emit.apply(this, params); break; case 'ack': if (this.acks[packet.ackId]) { this.acks[packet.ackId].apply(this, packet.args); delete this.acks[packet.ackId]; } break; case 'error': if (packet.advice){ this.socket.onError(packet); } else { if (packet.reason == 'unauthorized') { this.$emit('connect_failed', packet.reason); } else { this.$emit('error', packet.reason); } } break; } }; /** * Flag interface. * * @api private */ function Flag (nsp, name) { this.namespace = nsp; this.name = name; }; /** * Send a message * * @api public */ Flag.prototype.send = function () { this.namespace.flags[this.name] = true; this.namespace.send.apply(this.namespace, arguments); }; /** * Emit an event * * @api public */ Flag.prototype.emit = function () { this.namespace.flags[this.name] = true; this.namespace.emit.apply(this.namespace, arguments); }; })( 'undefined' != typeof io ? io : module.exports , 'undefined' != typeof io ? io : module.parent.exports ); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, io, global) { /** * Expose constructor. */ exports.websocket = WS; /** * The WebSocket transport uses the HTML5 WebSocket API to establish an * persistent connection with the Socket.IO server. This transport will also * be inherited by the FlashSocket fallback as it provides a API compatible * polyfill for the WebSockets. * * @constructor * @extends {io.Transport} * @api public */ function WS (socket) { io.Transport.apply(this, arguments); }; /** * Inherits from Transport. */ io.util.inherit(WS, io.Transport); /** * Transport name * * @api public */ WS.prototype.name = 'websocket'; /** * Initializes a new `WebSocket` connection with the Socket.IO server. We attach * all the appropriate listeners to handle the responses from the server. * * @returns {Transport} * @api public */ WS.prototype.open = function () { var query = io.util.query(this.socket.options.query) , self = this , Socket if (!Socket) { Socket = global.MozWebSocket || global.WebSocket; } this.websocket = new Socket(this.prepareUrl() + query); this.websocket.onopen = function () { self.onOpen(); self.socket.setBuffer(false); }; this.websocket.onmessage = function (ev) { self.onData(ev.data); }; this.websocket.onclose = function () { self.onClose(); self.socket.setBuffer(true); }; this.websocket.onerror = function (e) { self.onError(e); }; return this; }; /** * Send a message to the Socket.IO server. The message will automatically be * encoded in the correct message format. * * @returns {Transport} * @api public */ WS.prototype.send = function (data) { this.websocket.send(data); return this; }; /** * Payload * * @api private */ WS.prototype.payload = function (arr) { for (var i = 0, l = arr.length; i < l; i++) { this.packet(arr[i]); } return this; }; /** * Disconnect the established `WebSocket` connection. * * @returns {Transport} * @api public */ WS.prototype.close = function () { this.websocket.close(); return this; }; /** * Handle the errors that `WebSocket` might be giving when we * are attempting to connect or send messages. * * @param {Error} e The error. * @api private */ WS.prototype.onError = function (e) { this.socket.onError(e); }; /** * Returns the appropriate scheme for the URI generation. * * @api private */ WS.prototype.scheme = function () { return this.socket.options.secure ? 'wss' : 'ws'; }; /** * Checks if the browser has support for native `WebSockets` and that * it's not the polyfill created for the FlashSocket transport. * * @return {Boolean} * @api public */ WS.check = function () { return ('WebSocket' in global && !('__addTask' in WebSocket)) || 'MozWebSocket' in global; }; /** * Check if the `WebSocket` transport support cross domain communications. * * @returns {Boolean} * @api public */ WS.xdomainCheck = function () { return true; }; /** * Add the transport to your public io.transports array. * * @api private */ io.transports.push('websocket'); })( 'undefined' != typeof io ? io.Transport : module.exports , 'undefined' != typeof io ? io : module.parent.exports , this ); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, io, global) { /** * Expose constructor. * * @api public */ exports.XHR = XHR; /** * XHR constructor * * @costructor * @api public */ function XHR (socket) { if (!socket) return; io.Transport.apply(this, arguments); this.sendBuffer = []; }; /** * Inherits from Transport. */ io.util.inherit(XHR, io.Transport); /** * Establish a connection * * @returns {Transport} * @api public */ XHR.prototype.open = function () { this.socket.setBuffer(false); this.onOpen(); this.get(); // we need to make sure the request succeeds since we have no indication // whether the request opened or not until it succeeded. this.setCloseTimeout(); return this; }; /** * Check if we need to send data to the Socket.IO server, if we have data in our * buffer we encode it and forward it to the `post` method. * * @api private */ XHR.prototype.payload = function (payload) { var msgs = []; for (var i = 0, l = payload.length; i < l; i++) { msgs.push(io.parser.encodePacket(payload[i])); } this.send(io.parser.encodePayload(msgs)); }; /** * Send data to the Socket.IO server. * * @param data The message * @returns {Transport} * @api public */ XHR.prototype.send = function (data) { this.post(data); return this; }; /** * Posts a encoded message to the Socket.IO server. * * @param {String} data A encoded message. * @api private */ function empty () { }; XHR.prototype.post = function (data) { var self = this; this.socket.setBuffer(true); function stateChange () { if (this.readyState == 4) { this.onreadystatechange = empty; self.posting = false; if (this.status == 200){ self.socket.setBuffer(false); } else { self.onClose(); } } } function onload () { this.onload = empty; self.socket.setBuffer(false); }; this.sendXHR = this.request('POST'); if (global.XDomainRequest && this.sendXHR instanceof XDomainRequest) { this.sendXHR.onload = this.sendXHR.onerror = onload; } else { this.sendXHR.onreadystatechange = stateChange; } this.sendXHR.send(data); }; /** * Disconnects the established `XHR` connection. * * @returns {Transport} * @api public */ XHR.prototype.close = function () { this.onClose(); return this; }; /** * Generates a configured XHR request * * @param {String} url The url that needs to be requested. * @param {String} method The method the request should use. * @returns {XMLHttpRequest} * @api private */ XHR.prototype.request = function (method) { var req = io.util.request(this.socket.isXDomain()) , query = io.util.query(this.socket.options.query, 't=' + +new Date); req.open(method || 'GET', this.prepareUrl() + query, true); if (method == 'POST') { try { if (req.setRequestHeader) { req.setRequestHeader('Content-type', 'text/plain;charset=UTF-8'); } else { // XDomainRequest req.contentType = 'text/plain'; } } catch (e) {} } return req; }; /** * Returns the scheme to use for the transport URLs. * * @api private */ XHR.prototype.scheme = function () { return this.socket.options.secure ? 'https' : 'http'; }; /** * Check if the XHR transports are supported * * @param {Boolean} xdomain Check if we support cross domain requests. * @returns {Boolean} * @api public */ XHR.check = function (socket, xdomain) { try { var request = io.util.request(xdomain), usesXDomReq = (global.XDomainRequest && request instanceof XDomainRequest), socketProtocol = (socket && socket.options && socket.options.secure ? 'https:' : 'http:'), isXProtocol = (socketProtocol != global.location.protocol); if (request && !(usesXDomReq && isXProtocol)) { return true; } } catch(e) {} return false; }; /** * Check if the XHR transport supports cross domain requests. * * @returns {Boolean} * @api public */ XHR.xdomainCheck = function () { return XHR.check(null, true); }; })( 'undefined' != typeof io ? io.Transport : module.exports , 'undefined' != typeof io ? io : module.parent.exports , this ); /** * socket.io * Copyright(c) 2011 LearnBoost * MIT Licensed */ (function (exports, io, global) { /** * Expose constructor. */ exports['xhr-polling'] = XHRPolling; /** * The XHR-polling transport uses long polling XHR requests to create a * "persistent" connection with the server. * * @constructor * @api public */ function XHRPolling () { io.Transport.XHR.apply(this, arguments); }; /** * Inherits from XHR transport. */ io.util.inherit(XHRPolling, io.Transport.XHR); /** * Merge the properties from XHR transport */ io.util.merge(XHRPolling, io.Transport.XHR); /** * Transport name * * @api public */ XHRPolling.prototype.name = 'xhr-polling'; /** * Establish a connection, for iPhone and Android this will be done once the page * is loaded. * * @returns {Transport} Chaining. * @api public */ XHRPolling.prototype.open = function () { var self = this; io.Transport.XHR.prototype.open.call(self); return false; }; /** * Starts a XHR request to wait for incoming messages. * * @api private */ function empty () {}; XHRPolling.prototype.get = function () { if (!this.open) return; var self = this; function stateChange () { if (this.readyState == 4) { this.onreadystatechange = empty; if (this.status == 200) { self.onData(this.responseText); self.get(); } else { self.onClose(); } } }; function onload () { this.onload = empty; this.onerror = empty; self.onData(this.responseText); self.get(); }; function onerror () { self.onClose(); }; this.xhr = this.request(); if (global.XDomainRequest && this.xhr instanceof XDomainRequest) { this.xhr.onload = onload; this.xhr.onerror = onerror; } else { this.xhr.onreadystatechange = stateChange; } this.xhr.send(null); }; /** * Handle the unclean close behavior. * * @api private */ XHRPolling.prototype.onClose = function () { io.Transport.XHR.prototype.onClose.call(this); if (this.xhr) { this.xhr.onreadystatechange = this.xhr.onload = this.xhr.onerror = empty; try { this.xhr.abort(); } catch(e){} this.xhr = null; } }; /** * Webkit based browsers show a infinit spinner when you start a XHR request * before the browsers onload event is called so we need to defer opening of * the transport until the onload event is called. Wrapping the cb in our * defer method solve this. * * @param {Socket} socket The socket instance that needs a transport * @param {Function} fn The callback * @api private */ XHRPolling.prototype.ready = function (socket, fn) { var self = this; io.util.defer(function () { fn.call(self); }); }; /** * Add the transport to your public io.transports array. * * @api private */ io.transports.push('xhr-polling'); })( 'undefined' != typeof io ? io.Transport : module.exports , 'undefined' != typeof io ? io : module.parent.exports , this ); ;var require = function (file, cwd) { var resolved = require.resolve(file, cwd || '/'); var mod = require.modules[resolved]; if (!mod) throw new Error( 'Failed to resolve module ' + file + ', tried ' + resolved ); var res = mod._cached ? mod._cached : mod(); return res; } require.paths = []; require.modules = {}; require.extensions = [".js",".coffee"]; require._core = { 'assert': true, 'events': true, 'fs': true, 'path': true, 'vm': true }; require.resolve = (function () { return function (x, cwd) { if (!cwd) cwd = '/'; if (require._core[x]) return x; var path = require.modules.path(); cwd = path.resolve('/', cwd); var y = cwd || '/'; if (x.match(/^(?:\.\.?\/|\/)/)) { var m = loadAsFileSync(path.resolve(y, x)) || loadAsDirectorySync(path.resolve(y, x)); if (m) return m; } var n = loadNodeModulesSync(x, y); if (n) return n; throw new Error("Cannot find module '" + x + "'"); function loadAsFileSync (x) { if (require.modules[x]) { return x; } for (var i = 0; i < require.extensions.length; i++) { var ext = require.extensions[i]; if (require.modules[x + ext]) return x + ext; } } function loadAsDirectorySync (x) { x = x.replace(/\/+$/, ''); var pkgfile = x + '/package.json'; if (require.modules[pkgfile]) { var pkg = require.modules[pkgfile](); var b = pkg.browserify; if (typeof b === 'object' && b.main) { var m = loadAsFileSync(path.resolve(x, b.main)); if (m) return m; } else if (typeof b === 'string') { var m = loadAsFileSync(path.resolve(x, b)); if (m) return m; } else if (pkg.main) { var m = loadAsFileSync(path.resolve(x, pkg.main)); if (m) return m; } } return loadAsFileSync(x + '/index'); } function loadNodeModulesSync (x, start) { var dirs = nodeModulesPathsSync(start); for (var i = 0; i < dirs.length; i++) { var dir = dirs[i]; var m = loadAsFileSync(dir + '/' + x); if (m) return m; var n = loadAsDirectorySync(dir + '/' + x); if (n) return n; } var m = loadAsFileSync(x); if (m) return m; } function nodeModulesPathsSync (start) { var parts; if (start === '/') parts = [ '' ]; else parts = path.normalize(start).split('/'); var dirs = []; for (var i = parts.length - 1; i >= 0; i--) { if (parts[i] === 'node_modules') continue; var dir = parts.slice(0, i + 1).join('/') + '/node_modules'; dirs.push(dir); } return dirs; } }; })(); require.alias = function (from, to) { var path = require.modules.path(); var res = null; try { res = require.resolve(from + '/package.json', '/'); } catch (err) { res = require.resolve(from, '/'); } var basedir = path.dirname(res); var keys = (Object.keys || function (obj) { var res = []; for (var key in obj) res.push(key) return res; })(require.modules); for (var i = 0; i < keys.length; i++) { var key = keys[i]; if (key.slice(0, basedir.length + 1) === basedir + '/') { var f = key.slice(basedir.length); require.modules[to + f] = require.modules[basedir + f]; } else if (key === basedir) { require.modules[to] = require.modules[basedir]; } } }; require.define = function (filename, fn) { var dirname = require._core[filename] ? '' : require.modules.path().dirname(filename) ; var require_ = function (file) { return require(file, dirname) }; require_.resolve = function (name) { return require.resolve(name, dirname); }; require_.modules = require.modules; require_.define = require.define; var module_ = { exports : {} }; require.modules[filename] = function () { require.modules[filename]._cached = module_.exports; fn.call( module_.exports, require_, module_, module_.exports, dirname, filename ); require.modules[filename]._cached = module_.exports; return module_.exports; }; }; if (typeof process === 'undefined') process = {}; if (!process.nextTick) process.nextTick = (function () { var queue = []; var canPost = typeof window !== 'undefined' && window.postMessage && window.addEventListener ; if (canPost) { window.addEventListener('message', function (ev) { if (ev.source === window && ev.data === 'browserify-tick') { ev.stopPropagation(); if (queue.length > 0) { var fn = queue.shift(); fn(); } } }, true); } return function (fn) { if (canPost) { queue.push(fn); window.postMessage('browserify-tick', '*'); } else setTimeout(fn, 0); }; })(); if (!process.title) process.title = 'browser'; if (!process.binding) process.binding = function (name) { if (name === 'evals') return require('vm') else throw new Error('No such module') }; if (!process.cwd) process.cwd = function () { return '.' }; if (!process.env) process.env = {}; if (!process.argv) process.argv = []; require.define("path", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "function filter (xs, fn) {\n var res = [];\n for (var i = 0; i < xs.length; i++) {\n if (fn(xs[i], i, xs)) res.push(xs[i]);\n }\n return res;\n}\n\n// resolves . and .. elements in a path array with directory names there\n// must be no slashes, empty elements, or device names (c:\\) in the array\n// (so also no leading and trailing slashes - it does not distinguish\n// relative and absolute paths)\nfunction normalizeArray(parts, allowAboveRoot) {\n // if the path tries to go above the root, `up` ends up > 0\n var up = 0;\n for (var i = parts.length; i >= 0; i--) {\n var last = parts[i];\n if (last == '.') {\n parts.splice(i, 1);\n } else if (last === '..') {\n parts.splice(i, 1);\n up++;\n } else if (up) {\n parts.splice(i, 1);\n up--;\n }\n }\n\n // if the path is allowed to go above the root, restore leading ..s\n if (allowAboveRoot) {\n for (; up--; up) {\n parts.unshift('..');\n }\n }\n\n return parts;\n}\n\n// Regex to split a filename into [*, dir, basename, ext]\n// posix version\nvar splitPathRe = /^(.+\\/(?!$)|\\/)?((?:.+?)?(\\.[^.]*)?)$/;\n\n// path.resolve([from ...], to)\n// posix version\nexports.resolve = function() {\nvar resolvedPath = '',\n resolvedAbsolute = false;\n\nfor (var i = arguments.length; i >= -1 && !resolvedAbsolute; i--) {\n var path = (i >= 0)\n ? arguments[i]\n : process.cwd();\n\n // Skip empty and invalid entries\n if (typeof path !== 'string' || !path) {\n continue;\n }\n\n resolvedPath = path + '/' + resolvedPath;\n resolvedAbsolute = path.charAt(0) === '/';\n}\n\n// At this point the path should be resolved to a full absolute path, but\n// handle relative paths to be safe (might happen when process.cwd() fails)\n\n// Normalize the path\nresolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {\n return !!p;\n }), !resolvedAbsolute).join('/');\n\n return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';\n};\n\n// path.normalize(path)\n// posix version\nexports.normalize = function(path) {\nvar isAbsolute = path.charAt(0) === '/',\n trailingSlash = path.slice(-1) === '/';\n\n// Normalize the path\npath = normalizeArray(filter(path.split('/'), function(p) {\n return !!p;\n }), !isAbsolute).join('/');\n\n if (!path && !isAbsolute) {\n path = '.';\n }\n if (path && trailingSlash) {\n path += '/';\n }\n \n return (isAbsolute ? '/' : '') + path;\n};\n\n\n// posix version\nexports.join = function() {\n var paths = Array.prototype.slice.call(arguments, 0);\n return exports.normalize(filter(paths, function(p, index) {\n return p && typeof p === 'string';\n }).join('/'));\n};\n\n\nexports.dirname = function(path) {\n var dir = splitPathRe.exec(path)[1] || '';\n var isWindows = false;\n if (!dir) {\n // No dirname\n return '.';\n } else if (dir.length === 1 ||\n (isWindows && dir.length <= 3 && dir.charAt(1) === ':')) {\n // It is just a slash or a drive letter with a slash\n return dir;\n } else {\n // It is a full dirname, strip trailing slash\n return dir.substring(0, dir.length - 1);\n }\n};\n\n\nexports.basename = function(path, ext) {\n var f = splitPathRe.exec(path)[2] || '';\n // TODO: make this comparison case-insensitive on windows?\n if (ext && f.substr(-1 * ext.length) === ext) {\n f = f.substr(0, f.length - ext.length);\n }\n return f;\n};\n\n\nexports.extname = function(path) {\n return splitPathRe.exec(path)[3] || '';\n};\n\n//@ sourceURL=path" )); require.define("c:\\node\\node_modules\\derby-examples\\sink\\lib\\app\\index.js", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "// Generated by CoffeeScript 1.3.1\nvar app, get, ready, render, _ref;\n\n_ref = app = require('derby').createApp(module), get = _ref.get, ready = _ref.ready;\n\nrender = require('./shared').render;\n\nrequire('./home');\n\nrequire('./live-css');\n\nrequire('./table');\n\nrequire('./leaderboard');\n\nrequire('./bindings-bench');\n\n['get', 'post', 'put', 'del'].forEach(function(method) {\n return app[method]('/submit', function(page, model, _arg) {\n var args, body, query;\n body = _arg.body, query = _arg.query;\n args = JSON.stringify({\n method: method,\n body: body,\n query: query\n }, null, ' ');\n return render(page, 'submit', {\n args: args\n });\n });\n});\n\nget('/error', function() {\n throw new Error(500);\n});\n\nget('/back', function(page) {\n return page.redirect('back');\n});\n\nready(function(model) {\n model.set('_showReconnect', true);\n exports.connect = function() {\n model.set('_showReconnect', false);\n setTimeout((function() {\n return model.set('_showReconnect', true);\n }), 1000);\n return model.socket.socket.connect();\n };\n return exports.reload = function() {\n return window.location.reload();\n };\n});\n\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\sink\\lib\\app\\index.js" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\package.json", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "module.exports = {\"main\":\"./lib/derby.js\"}\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\package.json" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\lib\\derby.js", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "var path = require('path')\n , racer = require('racer')\n , View = require('./View')\n , derby = module.exports = Object.create(racer)\n , derbyPlugin = racer.util.isServer ?\n __dirname + '/derby.server' : require('./derby.browser');\n\n// Allow derby object to be targeted via plugin.decorate\nracer._makePlugable('derby', derby);\n\n// Shared methods for both server and browser\nderby._libraries = {};\nderby.createLibrary = createLibrary;\n\n// Add appropriate server-side or browser-side methods\nderby.use(derbyPlugin);\n\nfunction createLibrary(filename, scripts, options) {\n if (!options) options = {};\n var root = path.dirname(filename)\n , name = options.name || path.basename(root)\n , view = new View;\n\n // This is needed, since component names are all lowercased\n for (scriptName in scripts) {\n scripts[scriptName.toLowerCase()] = scripts[scriptName];\n }\n\n this._libraries[name] = {\n root: root\n , view: view\n , scripts: scripts\n };\n}\n\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\lib\\derby.js" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\package.json", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "module.exports = {\"main\":\"./lib/racer.js\"}\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\package.json" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\lib\\racer.js", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "// Generated by CoffeeScript 1.3.1\nvar EventEmitter, isServer, mergeAll, plugin, racer, util, _ref;\n\n_ref = util = require('./util'), mergeAll = _ref.mergeAll, isServer = _ref.isServer;\n\nif (!isServer) {\n require('es5-shim');\n}\n\nEventEmitter = require('events').EventEmitter;\n\nplugin = require('./plugin');\n\nracer = module.exports = new EventEmitter;\n\nmergeAll(racer, plugin, {\n \"protected\": {\n Model: require('./Model')\n },\n util: util\n});\n\nif (isServer) {\n racer.use(__dirname + '/racer.server');\n}\n\nracer.use(require('./mutators')).use(require('./refs')).use(require('./pubSub')).use(require('./txns'));\n\nif (isServer) {\n racer.use(__dirname + '/adapters/pubsub-memory');\n}\n\nif (!isServer) {\n racer.use(require('./racer.browser'));\n}\n\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\lib\\racer.js" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\lib\\util\\index.js", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "// Generated by CoffeeScript 1.3.1\nvar deepCopy, deepEqual, equalsNaN, indexOf, isArguments, isServer, objEquiv, toString,\n __slice = [].slice;\n\ntoString = Object.prototype.toString;\n\nmodule.exports = {\n isServer: isServer = typeof window === 'undefined',\n isProduction: isServer && process.env.NODE_ENV === 'production',\n isArguments: isArguments = function(obj) {\n return toString.call(obj) === '[object Arguments]';\n },\n mergeAll: function() {\n var from, froms, key, to, _i, _len;\n to = arguments[0], froms = 2 <= arguments.length ? __slice.call(arguments, 1) : [];\n for (_i = 0, _len = froms.length; _i < _len; _i++) {\n from = froms[_i];\n if (from) {\n for (key in from) {\n to[key] = from[key];\n }\n }\n }\n return to;\n },\n merge: function(to, from) {\n var key;\n for (key in from) {\n to[key] = from[key];\n }\n return to;\n },\n hasKeys: function(obj, ignore) {\n var key;\n for (key in obj) {\n if (key === ignore) {\n continue;\n }\n return true;\n }\n return false;\n },\n deepEqual: deepEqual = function(actual, expected) {\n if (actual === expected) {\n return true;\n }\n if (actual instanceof Date && expected instanceof Date) {\n return actual.getTime() === expected.getTime();\n }\n if (typeof actual !== 'object' && typeof expected !== 'object') {\n return actual === expected;\n }\n return objEquiv(actual, expected);\n },\n objEquiv: objEquiv = function(a, b) {\n var i, ka, kb, key;\n if (a == null || b == null) {\n return false;\n }\n if (a.prototype !== b.prototype) {\n return false;\n }\n if (isArguments(a)) {\n if (!isArguments(b)) {\n return false;\n }\n a = pSlice.call(a);\n b = pSlice.call(b);\n return deepEqual(a, b);\n }\n try {\n ka = Object.keys(a);\n kb = Object.keys(b);\n } catch (e) {\n return false;\n }\n if (ka.length !== kb.length) {\n return false;\n }\n ka.sort();\n kb.sort();\n i = ka.length;\n while (i--) {\n if (ka[i] !== kb[i]) {\n return false;\n }\n }\n i = ka.length;\n while (i--) {\n key = ka[i];\n if (!deepEqual(a[key], b[key])) {\n return false;\n }\n }\n return true;\n },\n deepCopy: deepCopy = function(obj) {\n var k, ret, v, _i, _len;\n if (typeof obj === 'object') {\n if (Array.isArray(obj)) {\n ret = [];\n for (_i = 0, _len = obj.length; _i < _len; _i++) {\n v = obj[_i];\n ret.push(deepCopy(v));\n }\n return ret;\n }\n ret = {};\n for (k in obj) {\n v = obj[k];\n ret[k] = deepCopy(v);\n }\n return ret;\n }\n return obj;\n },\n indexOf: indexOf = function(list, obj, isEqual) {\n var i, v, _i, _len;\n for (i = _i = 0, _len = list.length; _i < _len; i = ++_i) {\n v = list[i];\n if (isEqual(obj, v)) {\n return i;\n }\n }\n return -1;\n },\n deepIndexOf: function(list, obj) {\n return indexOf(list, obj, deepEqual);\n },\n equalsNaN: equalsNaN = function(x) {\n return x !== x;\n },\n equal: function(a, b) {\n return a === b || (equalsNaN(a) && equalsNaN(b));\n },\n Promise: require('./Promise'),\n async: require('./async')\n};\n\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\lib\\util\\index.js" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\lib\\util\\Promise.js", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "// Generated by CoffeeScript 1.3.1\nvar Promise, finishAfter, util;\n\nutil = require('./index');\n\nfinishAfter = require('./async').finishAfter;\n\nPromise = module.exports = function() {\n this.callbacks = [];\n this.resolved = false;\n};\n\nPromise.prototype = {\n resolve: function(err, value) {\n var callback, _i, _len, _ref;\n this.err = err;\n this.value = value;\n if (this.resolved) {\n throw new Error('Promise has already been resolved');\n }\n this.resolved = true;\n _ref = this.callbacks;\n for (_i = 0, _len = _ref.length; _i < _len; _i++) {\n callback = _ref[_i];\n callback(err, value);\n }\n this.callbacks = [];\n return this;\n },\n on: function(callback) {\n if (this.resolved) {\n callback(this.err, this.value);\n return this;\n }\n this.callbacks.push(callback);\n return this;\n },\n clear: function() {\n this.resolved = false;\n delete this.value;\n delete this.err;\n return this;\n }\n};\n\nPromise.parallel = function(promises) {\n var composite, finish, i;\n composite = new Promise;\n i = promises.length;\n finish = finishAfter(i, function(err) {\n return composite.resolve(err);\n });\n while (i--) {\n promises[i].on(finish);\n }\n return composite;\n};\n\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\lib\\util\\Promise.js" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\lib\\util\\async.js", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "// Generated by CoffeeScript 1.3.1\nvar finishAfter;\n\nmodule.exports = {\n finishAfter: finishAfter = function(count, callback) {\n var err;\n callback || (callback = function(err) {\n if (err) {\n throw err;\n }\n });\n if (!count) {\n return callback;\n }\n err = null;\n return function(_err) {\n err || (err = _err);\n return --count || callback(err);\n };\n },\n forEach: function(items, fn, done) {\n var finish, item, _i, _len;\n finish = finishAfter(items.length, done);\n for (_i = 0, _len = items.length; _i < _len; _i++) {\n item = items[_i];\n fn(item, finish);\n }\n },\n bufferifyMethods: function(Klass, methodNames, _arg) {\n var await, buffer, fns;\n await = _arg.await;\n fns = {};\n buffer = null;\n methodNames.forEach(function(methodName) {\n fns[methodName] = Klass.prototype[methodName];\n return Klass.prototype[methodName] = function() {\n var didFlush, flush, _arguments,\n _this = this;\n _arguments = arguments;\n didFlush = false;\n flush = function() {\n var args, _i, _len;\n didFlush = true;\n methodNames.forEach(function(methodName) {\n return _this[methodName] = fns[methodName];\n });\n delete await.alredyCalled;\n if (!buffer) {\n return;\n }\n for (_i = 0, _len = buffer.length; _i < _len; _i++) {\n args = buffer[_i];\n fns[methodName].apply(_this, args);\n }\n buffer = null;\n };\n if (await.alredyCalled) {\n return;\n }\n await.alredyCalled = true;\n await.call(this, flush);\n if (didFlush) {\n return this[methodName].apply(this, _arguments);\n }\n this[methodName] = function() {\n buffer || (buffer = []);\n return buffer.push(arguments);\n };\n this[methodName].apply(this, arguments);\n };\n });\n return {\n bufferify: function(methodName, _arg1) {\n var await, fn;\n fn = _arg1.fn, await = _arg1.await;\n buffer = null;\n return function() {\n var didFlush, flush, _arguments,\n _this = this;\n _arguments = arguments;\n didFlush = false;\n flush = function() {\n var args, _i, _len;\n didFlush = true;\n _this[methodName] = fn;\n if (!buffer) {\n return;\n }\n for (_i = 0, _len = buffer.length; _i < _len; _i++) {\n args = buffer[_i];\n fn.apply(_this, args);\n }\n buffer = null;\n };\n await.call(this, flush);\n if (didFlush) {\n return this[methodName].apply(this, _arguments);\n }\n this[methodName] = function() {\n buffer || (buffer = []);\n return buffer.push(arguments);\n };\n this[methodName].apply(this, arguments);\n };\n }\n };\n }\n};\n\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\lib\\util\\async.js" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\node_modules\\es5-shim\\package.json", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "module.exports = {\"main\":\"es5-shim.js\"}\n//@ sourceURL=c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\node_modules\\es5-shim\\package.json" )); require.define("c:\\node\\node_modules\\derby-examples\\node_modules\\derby\\node_modules\\racer\\node_modules\\es5-shim\\es5-shim.js", Function( [ 'require', 'module', 'exports', '__dirname', '__filename' ], "// vim: ts=4 sts=4 sw=4 expandtab\n// -- kriskowal Kris Kowal Copyright (C) 2009-2011 MIT License\n// -- tlrobinson Tom Robinson Copyright (C) 2009-2010 MIT License (Narwhal Project)\n// -- dantman Daniel Friesen Copyright (C) 2010 XXX TODO License or CLA\n// -- fschaefer Florian Schäfer Copyright (C) 2010 MIT License\n// -- Gozala Irakli Gozalishvili Copyright (C) 2010 MIT License\n// -- kitcambridge Kit Cambridge Copyright (C) 2011 MIT License\n// -- kossnocorp Sasha Koss XXX TODO License or CLA\n// -- bryanforbes Bryan Forbes XXX TODO License or CLA\n// -- killdream Quildreen Motta XXX TODO License or CLA\n// -- michaelficarra Michael Ficarra Copyright (C) 2011 3-clause BSD License\n// -- sharkbrainguy Gerard Paapu Copyright (C) 2011 MIT License\n// -- bbqsrc Brendan Molloy XXX TODO License or CLA\n// -- iwyg XXX TODO License or CLA\n// -- DomenicDenicola Domenic Denicola XXX TODO License or CLA\n// -- xavierm02 Montillet Xavier XXX TODO License or CLA\n// -- Raynos Raynos XXX TODO License or CLA\n// -- samsonjs Sami Samhuri XXX TODO License or CLA\n// -- rwldrn Rick Waldron XXX TODO License or CLA\n// -- lexer Alexey Zakharov XXX TODO License or CLA\n\n/*!\n Copyright (c) 2009, 280 North Inc. http://280north.com/\n MIT License. http://github.com/280north/narwhal/blob/master/README.md\n*/\n\n// Module systems magic dance\n(function (definition) {\n // RequireJS\n if (typeof define == \"function\") {\n define(definition);\n // CommonJS and