diff --git a/dist/build.js b/dist/build.js index fbde703..cb76cdb 100644 --- a/dist/build.js +++ b/dist/build.js @@ -1,6 +1,81 @@ -(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 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; +}; + +}).apply(this, arguments); + +},{}],4:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/babel-runtime/core-js/symbol.js", module); +(function(){ module.exports = { "default": require("core-js/library/fn/symbol"), __esModule: true }; -},{"core-js/library/fn/symbol":3}],2:[function(require,module,exports){ +}).apply(this, arguments); + +},{"core-js/library/fn/symbol":16}],5:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/babel-runtime/helpers/typeof.js", module); +(function(){ "use strict"; var _Symbol = require("babel-runtime/core-js/symbol")["default"]; @@ -10,31 +85,1293 @@ exports["default"] = function (obj) { }; exports.__esModule = true; -},{"babel-runtime/core-js/symbol":1}],3:[function(require,module,exports){ +}).apply(this, arguments); + +},{"babel-runtime/core-js/symbol":4}],6:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/backo2/index.js", module); +(function(){ + +/** + * 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; +}; + + +}).apply(this, arguments); + +},{}],7:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/base64-arraybuffer/lib/base64-arraybuffer.js", module); +(function(){ +/* + * base64-arraybuffer + * https://github.com/niklasvh/base64-arraybuffer + * + * Copyright (c) 2012 Niklas von Hertzen + * Licensed under the MIT license. + */ +(function(chars){ + "use strict"; + + exports.encode = function(arraybuffer) { + var bytes = new Uint8Array(arraybuffer), + i, len = bytes.length, base64 = ""; + + for (i = 0; i < len; i+=3) { + base64 += chars[bytes[i] >> 2]; + base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)]; + base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)]; + base64 += chars[bytes[i + 2] & 63]; + } + + if ((len % 3) === 2) { + base64 = base64.substring(0, base64.length - 1) + "="; + } else if (len % 3 === 1) { + base64 = base64.substring(0, base64.length - 2) + "=="; + } + + return base64; + }; + + exports.decode = function(base64) { + var bufferLength = base64.length * 0.75, + len = base64.length, i, p = 0, + encoded1, encoded2, encoded3, encoded4; + + if (base64[base64.length - 1] === "=") { + bufferLength--; + if (base64[base64.length - 2] === "=") { + bufferLength--; + } + } + + var arraybuffer = new ArrayBuffer(bufferLength), + bytes = new Uint8Array(arraybuffer); + + for (i = 0; i < len; i+=4) { + encoded1 = chars.indexOf(base64[i]); + encoded2 = chars.indexOf(base64[i+1]); + encoded3 = chars.indexOf(base64[i+2]); + encoded4 = chars.indexOf(base64[i+3]); + + bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); + bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); + bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63); + } + + return arraybuffer; + }; +})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"); + +}).apply(this, arguments); + +},{}],8:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/blob/index.js", module); +(function(){ +(function (global){ +/** + * Create a blob builder even when vendor prefixes exist + */ + +var BlobBuilder = global.BlobBuilder + || global.WebKitBlobBuilder + || global.MSBlobBuilder + || global.MozBlobBuilder; + +/** + * Check if Blob constructor is supported + */ + +var blobSupported = (function() { + try { + var a = new Blob(['hi']); + return a.size === 2; + } catch(e) { + return false; + } +})(); + +/** + * Check if Blob constructor supports ArrayBufferViews + * Fails in Safari 6, so we need to map to ArrayBuffers there. + */ + +var blobSupportsArrayBufferView = blobSupported && (function() { + try { + var b = new Blob([new Uint8Array([1,2])]); + return b.size === 2; + } catch(e) { + return false; + } +})(); + +/** + * Check if BlobBuilder is supported + */ + +var blobBuilderSupported = BlobBuilder + && BlobBuilder.prototype.append + && BlobBuilder.prototype.getBlob; + +/** + * Helper function that maps ArrayBufferViews to ArrayBuffers + * Used by BlobBuilder constructor and old browsers that didn't + * support it in the Blob constructor. + */ + +function mapArrayBufferViews(ary) { + for (var i = 0; i < ary.length; i++) { + var chunk = ary[i]; + if (chunk.buffer instanceof ArrayBuffer) { + var buf = chunk.buffer; + + // if this is a subarray, make a copy so we only + // include the subarray region from the underlying buffer + if (chunk.byteLength !== buf.byteLength) { + var copy = new Uint8Array(chunk.byteLength); + copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength)); + buf = copy.buffer; + } + + ary[i] = buf; + } + } +} + +function BlobBuilderConstructor(ary, options) { + options = options || {}; + + var bb = new BlobBuilder(); + mapArrayBufferViews(ary); + + for (var i = 0; i < ary.length; i++) { + bb.append(ary[i]); + } + + return (options.type) ? bb.getBlob(options.type) : bb.getBlob(); +}; + +function BlobConstructor(ary, options) { + mapArrayBufferViews(ary); + return new Blob(ary, options || {}); +}; + +module.exports = (function() { + if (blobSupported) { + return blobSupportsArrayBufferView ? global.Blob : BlobConstructor; + } else if (blobBuilderSupported) { + return BlobBuilderConstructor; + } else { + return undefined; + } +})(); + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) + +}).apply(this, arguments); + +},{}],9:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/browser-resolve/empty.js", module); +(function(){ + +}).apply(this, arguments); + +},{}],10:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/browserify-hmr/inc/index.js", module); +(function(){ +(function (global){ +'use strict'; + +var has = require('../lib/has'); +var StrSet = require('../lib/str-set'); +var forEach = require('lodash/collection/forEach'); +var some = require('lodash/collection/some'); +var map = require('lodash/collection/map'); +var filter = require('lodash/collection/filter'); +var zipObject = require('lodash/array/zipObject'); +var forOwn = require('lodash/object/forOwn'); +var mapValues = require('lodash/object/mapValues'); +var assign = require('lodash/object/assign'); + +function emitError(err) { + setTimeout(function() { + throw err; + }, 0); +} + +function makeModuleIndexesToNames(moduleMeta) { + var moduleIndexesToNames = {}; + forOwn(moduleMeta, function(value, name) { + moduleIndexesToNames[value.index] = name; + }); + return moduleIndexesToNames; +} + +var console = global.console ? global.console : { + error: function(){}, log: function() {} +}; + +function main( + moduleDefs, cachedModules, moduleMeta, updateUrl, + updateMode, supportModes, ignoreUnaccepted, updateCacheBust, bundleKey, + socketio, + bundle__filename, bundle__dirname +) { + var moduleIndexesToNames = makeModuleIndexesToNames(moduleMeta); + + var socket; + var name, i, len; + + if (!global._hmr[bundleKey].setStatus) { + var runtimeModuleInfo = {}; + var createInfoEntry = function(name) { + runtimeModuleInfo[name] = { + index: moduleMeta[name].index, + hash: moduleMeta[name].hash, + parents: new StrSet(moduleMeta[name].parents), + module: null, + disposeData: null, + accepters: new StrSet(), + accepting: new StrSet(), + decliners: new StrSet(), + declining: new StrSet(), + selfAcceptCbs: [], // may contain null. nonzero length means module is self-accepting + disposeHandlers: [] + }; + }; + for (name in moduleMeta) { + if (has(moduleMeta, name)) { + createInfoEntry(name); + } + } + + // loaders take a callback(err, data). They may give null for data if they + // know there hasn't been an update. + var fileReloaders = { + fs: function(cb) { + var fs; + try { + fs = require('f'+'s'); + } catch(e) { + cb(e); + return; + } + fs.readFile(localHmr.updateUrl || bundle__filename, 'utf8', cb); + }, + ajax: function(cb) { + var xhr; + try { + xhr = new XMLHttpRequest(); + } catch(e) { + cb(e); + return; + } + xhr.onreadystatechange = function() { + if (xhr.readyState === 4) { + if (xhr.status === 200) { + cb(null, xhr.responseText); + } else { + cb(new Error("Request had response "+xhr.status)); + } + } + }; + var url = localHmr.updateUrl + (updateCacheBust?'?_v='+(+new Date()):''); + xhr.open('GET', url, true); + xhr.send(); + } + }; + + var lastScriptData = null; + + // cb(err, expectUpdate) + var reloadAndRunScript = function(cb) { + if (!has(fileReloaders, localHmr.updateMode)) { + cb(new Error("updateMode "+localHmr.updateMode+" not implemented")); + return; + } + var reloader = fileReloaders[localHmr.updateMode]; + reloader(function(err, data) { + if (err || !data || lastScriptData === data) { + cb(err, false); + return; + } + lastScriptData = data; + localHmr.newLoad = null; + try { + //jshint evil:true + if (bundle__filename || bundle__dirname) { + new Function('require', '__filename', '__dirname', data)(require, bundle__filename, bundle__dirname); + } else { + new Function('require', data)(require); + } + // running the file sets _hmr.newLoad + } catch (err2) { + localHmr.newLoad = null; + cb(err2); + return; + } + if (!localHmr.newLoad) { + cb(new Error("Reloaded script did not set hot module reload data")); + return; + } + cb(null, true); + }); + }; + + var getOutdatedModules = function() { + var outdated = []; + var name; + // add changed and deleted modules + for (name in runtimeModuleInfo) { + if (has(runtimeModuleInfo, name)) { + if ( + !has(localHmr.newLoad.moduleMeta, name) || + runtimeModuleInfo[name].hash !== localHmr.newLoad.moduleMeta[name].hash + ) { + outdated.push(name); + } + } + } + // add brand new modules + for (name in localHmr.newLoad.moduleMeta) { + if (has(localHmr.newLoad.moduleMeta, name)) { + if (!has(runtimeModuleInfo, name)) { + outdated.push(name); + } + } + } + // add modules that are non-accepting/declining parents of outdated modules. + // important: if outdated has new elements added during the loop, + // then we iterate over them too. + for (var i=0; i index)if(O[key = keys[index++]] === el)return key; }; -},{"./$":21,"./$.to-iobject":28}],23:[function(require,module,exports){ +}).apply(this, arguments); + +},{"./$":34,"./$.to-iobject":41}],36:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/$.library.js", module); +(function(){ module.exports = true; -},{}],24:[function(require,module,exports){ +}).apply(this, arguments); + +},{}],37:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/$.property-desc.js", module); +(function(){ module.exports = function(bitmap, value){ return { enumerable : !(bitmap & 1), @@ -228,9 +1629,17 @@ module.exports = function(bitmap, value){ value : value }; }; -},{}],25:[function(require,module,exports){ +}).apply(this, arguments); + +},{}],38:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/$.redefine.js", module); +(function(){ module.exports = require('./$.hide'); -},{"./$.hide":17}],26:[function(require,module,exports){ +}).apply(this, arguments); + +},{"./$.hide":30}],39:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/$.set-to-string-tag.js", module); +(function(){ var def = require('./$').setDesc , has = require('./$.has') , TAG = require('./$.wks')('toStringTag'); @@ -238,27 +1647,43 @@ var def = require('./$').setDesc module.exports = function(it, tag, stat){ if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag}); }; -},{"./$":21,"./$.has":16,"./$.wks":30}],27:[function(require,module,exports){ +}).apply(this, arguments); + +},{"./$":34,"./$.has":29,"./$.wks":43}],40:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/$.shared.js", module); +(function(){ var global = require('./$.global') , SHARED = '__core-js_shared__' , store = global[SHARED] || (global[SHARED] = {}); module.exports = function(key){ return store[key] || (store[key] = {}); }; -},{"./$.global":15}],28:[function(require,module,exports){ +}).apply(this, arguments); + +},{"./$.global":28}],41:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/$.to-iobject.js", module); +(function(){ // to indexed object, toObject with fallback for non-array-like ES3 strings var IObject = require('./$.iobject') , defined = require('./$.defined'); module.exports = function(it){ return IObject(defined(it)); }; -},{"./$.defined":9,"./$.iobject":18}],29:[function(require,module,exports){ +}).apply(this, arguments); + +},{"./$.defined":22,"./$.iobject":31}],42:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/$.uid.js", module); +(function(){ var id = 0 , px = Math.random(); module.exports = function(key){ return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36)); }; -},{}],30:[function(require,module,exports){ +}).apply(this, arguments); + +},{}],43:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/$.wks.js", module); +(function(){ var store = require('./$.shared')('wks') , uid = require('./$.uid') , Symbol = require('./$.global').Symbol; @@ -266,9 +1691,17 @@ module.exports = function(name){ return store[name] || (store[name] = Symbol && Symbol[name] || (Symbol || uid)('Symbol.' + name)); }; -},{"./$.global":15,"./$.shared":27,"./$.uid":29}],31:[function(require,module,exports){ +}).apply(this, arguments); -},{}],32:[function(require,module,exports){ +},{"./$.global":28,"./$.shared":40,"./$.uid":42}],44:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/es6.object.to-string.js", module); +(function(){ + +}).apply(this, arguments); + +},{}],45:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/core-js/library/modules/es6.symbol.js", module); +(function(){ 'use strict'; // ECMAScript 6 symbols shim var $ = require('./$') @@ -496,8 +1929,9890 @@ setToStringTag($Symbol, 'Symbol'); setToStringTag(Math, 'Math', true); // 24.3.3 JSON[@@toStringTag] setToStringTag(global.JSON, 'JSON', true); -},{"./$":21,"./$.an-object":5,"./$.descriptors":10,"./$.enum-keys":11,"./$.export":12,"./$.fails":13,"./$.get-names":14,"./$.global":15,"./$.has":16,"./$.is-array":19,"./$.keyof":22,"./$.library":23,"./$.property-desc":24,"./$.redefine":25,"./$.set-to-string-tag":26,"./$.shared":27,"./$.to-iobject":28,"./$.uid":29,"./$.wks":30}],33:[function(require,module,exports){ +}).apply(this, arguments); + +},{"./$":34,"./$.an-object":18,"./$.descriptors":23,"./$.enum-keys":24,"./$.export":25,"./$.fails":26,"./$.get-names":27,"./$.global":28,"./$.has":29,"./$.is-array":32,"./$.keyof":35,"./$.library":36,"./$.property-desc":37,"./$.redefine":38,"./$.set-to-string-tag":39,"./$.shared":40,"./$.to-iobject":41,"./$.uid":42,"./$.wks":43}],46:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/debug/browser.js", module); +(function(){ + +/** + * This is the web browser implementation of `debug()`. + * + * Expose `debug()` as the module. + */ + +exports = module.exports = require('./debug'); +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) {} +} + +}).apply(this, arguments); + +},{"./debug":47}],47:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/debug/debug.js", module); +(function(){ + +/** + * 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 = require('ms'); + +/** + * The currently active debug mode names, and names to skip. + */ + +exports.names = []; +exports.skips = []; + +/** + * Map of special "%n" handling functions, for the debug "format" argument. + * + * Valid key names are a single, lowercased letter, i.e. "n". + */ + +exports.formatters = {}; + +/** + * Previously assigned color. + */ + +var prevColor = 0; + +/** + * Previous log timestamp. + */ + +var prevTime; + +/** + * Select a color. + * + * @return {Number} + * @api private + */ + +function selectColor() { + return exports.colors[prevColor++ % exports.colors.length]; +} + +/** + * Create a debugger with the given `namespace`. + * + * @param {String} namespace + * @return {Function} + * @api public + */ + +function debug(namespace) { + + // define the `disabled` version + function disabled() { + } + disabled.enabled = false; + + // define the `enabled` version + function enabled() { + + var self = enabled; + + // set `diff` timestamp + var curr = +new Date(); + var ms = curr - (prevTime || curr); + self.diff = ms; + self.prev = prevTime; + self.curr = curr; + prevTime = curr; + + // add the `color` if not set + if (null == self.useColors) self.useColors = exports.useColors(); + if (null == self.color && self.useColors) self.color = selectColor(); + + var args = Array.prototype.slice.call(arguments); + + args[0] = exports.coerce(args[0]); + + if ('string' !== typeof args[0]) { + // anything else let's inspect with %o + args = ['%o'].concat(args); + } + + // apply any `formatters` transformations + var index = 0; + args[0] = args[0].replace(/%([a-z%])/g, function(match, format) { + // if we encounter an escaped % then don't increase the array index + if (match === '%%') return match; + index++; + var formatter = exports.formatters[format]; + if ('function' === typeof formatter) { + var val = args[index]; + match = formatter.call(self, val); + + // now we need to remove `args[index]` since it's inlined in the `format` + args.splice(index, 1); + index--; + } + return match; + }); + + if ('function' === typeof exports.formatArgs) { + args = exports.formatArgs.apply(self, args); + } + var logFn = enabled.log || exports.log || console.log.bind(console); + logFn.apply(self, args); + } + enabled.enabled = true; + + var fn = exports.enabled(namespace) ? enabled : disabled; + + fn.namespace = namespace; + + return fn; +} + +/** + * Enables a debug mode by namespaces. This can include modes + * separated by a colon and wildcards. + * + * @param {String} namespaces + * @api public + */ + +function enable(namespaces) { + exports.save(namespaces); + + var split = (namespaces || '').split(/[\s,]+/); + var len = split.length; + + for (var i = 0; i < len; i++) { + if (!split[i]) continue; // ignore empty strings + namespaces = split[i].replace(/\*/g, '.*?'); + if (namespaces[0] === '-') { + exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$')); + } else { + exports.names.push(new RegExp('^' + namespaces + '$')); + } + } +} + +/** + * Disable debug output. + * + * @api public + */ + +function disable() { + exports.enable(''); +} + +/** + * Returns true if the given mode name is enabled, false otherwise. + * + * @param {String} name + * @return {Boolean} + * @api public + */ + +function enabled(name) { + var i, len; + for (i = 0, len = exports.skips.length; i < len; i++) { + if (exports.skips[i].test(name)) { + return false; + } + } + for (i = 0, len = exports.names.length; i < len; i++) { + if (exports.names[i].test(name)) { + return true; + } + } + return false; +} + +/** + * Coerce `val`. + * + * @param {Mixed} val + * @return {Mixed} + * @api private + */ + +function coerce(val) { + if (val instanceof Error) return val.stack || val.message; + return val; +} + +}).apply(this, arguments); + +},{"ms":133}],48:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/engine.io-client/index.js", module); +(function(){ + +module.exports = require('./lib/'); + +}).apply(this, arguments); + +},{"./lib/":49}],49:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/engine.io-client/lib/index.js", module); +(function(){ + +module.exports = require('./socket'); + +/** + * Exports parser + * + * @api public + * + */ +module.exports.parser = require('engine.io-parser'); + +}).apply(this, arguments); + +},{"./socket":50,"engine.io-parser":58}],50:[function(require,module,exports){ +_hmr["websocket:null"].initModule("node_modules/engine.io-client/lib/socket.js", module); +(function(){ (function (global){ +/** + * Module dependencies. + */ + +var transports = require('./transports'); +var Emitter = require('component-emitter'); +var debug = require('debug')('engine.io-client:socket'); +var index = require('indexof'); +var parser = require('engine.io-parser'); +var parseuri = require('parseuri'); +var parsejson = require('parsejson'); +var parseqs = require('parseqs'); + +/** + * Module exports. + */ + +module.exports = Socket; + +/** + * Noop function. + * + * @api private + */ + +function noop(){} + +/** + * Socket constructor. + * + * @param {String|Object} uri or options + * @param {Object} options + * @api public + */ + +function Socket(uri, opts){ + if (!(this instanceof Socket)) return new Socket(uri, opts); + + opts = opts || {}; + + if (uri && 'object' == typeof uri) { + opts = uri; + uri = null; + } + + if (uri) { + uri = parseuri(uri); + opts.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.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; + + // 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; + } + } + + 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 = require('./transport'); +Socket.transports = require('./transports'); +Socket.parser = require('engine.io-parser'); + +/** + * Creates transport of the given type. + * + * @param {String} transport name + * @return {Transport} + * @api private + */ + +Socket.prototype.createTransport = function (name) { + debug('creating transport "%s"', name); + var query = clone(this.query); + + // append engine.io protocol identifier + query.EIO = parser.protocol; + + // transport name + query.transport = name; + + // session id if we already have one + if (this.id) query.sid = this.id; + + var transport = new transports[name]({ + agent: this.agent, + hostname: this.hostname, + port: this.port, + secure: this.secure, + path: this.path, + query: query, + forceJSONP: this.forceJSONP, + jsonp: this.jsonp, + forceBase64: this.forceBase64, + enablesXDR: this.enablesXDR, + timestampRequests: this.timestampRequests, + timestampParam: this.timestampParam, + policyPort: this.policyPort, + socket: this, + pfx: this.pfx, + key: this.key, + passphrase: this.passphrase, + cert: this.cert, + ca: this.ca, + ciphers: this.ciphers, + rejectUnauthorized: this.rejectUnauthorized, + perMessageDeflate: this.perMessageDeflate, + extraHeaders: this.extraHeaders + }); + + 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 }) + , failed = false + , self = this; + + Socket.priorWebsocketSuccess = false; + + function onTransportOpen(){ + if (self.onlyBinaryUpgrades) { + var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary; + failed = failed || upgradeLosesBinary; + } + if (failed) return; + + debug('probe transport "%s" opened', name); + transport.send([{ type: 'ping', data: 'probe' }]); + transport.once('packet', function (msg) { + if (failed) return; + if ('pong' == msg.type && 'probe' == msg.data) { + debug('probe transport "%s" pong', name); + self.upgrading = true; + self.emit('upgrading', transport); + if (!transport) return; + Socket.priorWebsocketSuccess = 'websocket' == transport.name; + + debug('pausing current transport "%s"', self.transport.name); + self.transport.pause(function () { + if (failed) return; + if ('closed' == self.readyState) return; + debug('changing transport and sending upgrade packet'); + + cleanup(); + + self.setTransport(transport); + transport.send([{ type: 'upgrade' }]); + self.emit('upgrade', transport); + transport = null; + self.upgrading = false; + self.flush(); + }); + } else { + debug('probe transport "%s" failed', name); + var err = new Error('probe error'); + err.transport = transport.name; + self.emit('upgradeError', err); + } + }); + } + + function freezeTransport() { + if (failed) return; + + // Any callback called by transport should be ignored since now + failed = true; + + cleanup(); + + transport.close(); + transport = null; + } + + //Handle any error that happens while probing + function onerror(err) { + var error = new Error('probe error: ' + err); + error.transport = transport.name; + + freezeTransport(); + + debug('probe transport "%s" failed because of error: %s', name, err); + + self.emit('upgradeError', error); + } + + function onTransportClose(){ + onerror("transport closed"); + } + + //When the socket is closed while we're probing + function onclose(){ + onerror("socket closed"); + } + + //When the socket is upgraded while we're probing + function onupgrade(to){ + if (transport && to.name != transport.name) { + debug('"%s" works - aborting "%s"', to.name, transport.name); + freezeTransport(); + } + } + + //Remove all listeners on the transport and on self + function cleanup(){ + transport.removeListener('open', onTransportOpen); + transport.removeListener('error', onerror); + transport.removeListener('close', onTransportClose); + self.removeListener('close', onclose); + self.removeListener('upgrading', onupgrade); + } + + transport.once('open', onTransportOpen); + transport.once('error', onerror); + transport.once('close', onTransportClose); + + this.once('close', onclose); + this.once('upgrading', onupgrade); + + transport.open(); + +}; + +/** + * Called when connection is deemed open. + * + * @api public + */ + +Socket.prototype.onOpen = function () { + debug('socket open'); + this.readyState = 'open'; + Socket.priorWebsocketSuccess = 'websocket' == this.transport.name; + this.emit('open'); + this.flush(); + + // we check for `readyState` in case an `open` + // listener already closed the socket + if ('open' == this.readyState && this.upgrade && this.transport.pause) { + debug('starting upgrade probes'); + for (var i = 0, l = this.upgrades.length; i < l; i++) { + this.probe(this.upgrades[i]); + } + } +}; + +/** + * Handles a packet. + * + * @api private + */ + +Socket.prototype.onPacket = function (packet) { + if ('opening' == this.readyState || 'open' == this.readyState) { + debug('socket receive: type "%s", data "%s"', packet.type, packet.data); + + this.emit('packet', packet); + + // Socket is live - any packet counts + this.emit('heartbeat'); + + switch (packet.type) { + case 'open': + this.onHandshake(parsejson(packet.data)); + break; + + case 'pong': + this.setPing(); + 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