(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 3) { anim = 0; } return this.setState({ anim: anim }); }, render: function() { return div({ className: "loading" }, div({ className: "spin state-" + this.state.anim }, "")); } }); },{}],9:[function(require,module,exports){ var codemirror, components, div, kids, list, load, lost, recl, ref, span, toc; recl = React.createClass; ref = React.DOM, div = ref.div, span = ref.span; load = React.createFactory(require('./LoadComponent.coffee')); codemirror = require('./CodeMirror.coffee'); list = require('./ListComponent.coffee'); kids = require('./KidsComponent.coffee'); toc = require('./TocComponent.coffee'); lost = recl({ render: function() { return div({}, "lost"); } }); components = { kids: kids, list: list, lost: lost, toc: toc, codemirror: codemirror }; module.exports = recl({ displayName: "Virtual", render: function() { return this.walk(this.props.manx); }, walk: function(elem, key) { var ref1, ref2; switch (false) { case !(elem == null): return load({}, ""); case typeof elem !== "string": return elem; case elem.gn == null: return React.createElement((ref1 = components[elem.gn]) != null ? ref1 : elem.gn, $.extend({ key: key }, elem.ga), (ref2 = elem.c) != null ? ref2.map(this.walk) : void 0); default: throw "Bad react-json " + (JSON.stringify(elem)); } } }); },{"./CodeMirror.coffee":5,"./KidsComponent.coffee":6,"./ListComponent.coffee":7,"./LoadComponent.coffee":8,"./TocComponent.coffee":10}],10:[function(require,module,exports){ var TreeStore, div, recl; TreeStore = require('../stores/TreeStore.coffee'); recl = React.createClass; div = React.DOM.div; module.exports = recl({ hash: null, displayName: "TableOfContents", _onChangeStore: function() { return this.setState({ tocs: this.compute() }); }, _click: function(e) { console.log('click'); return document.location.hash = this.urlsafe($(e.target).text()); }, urlsafe: function(str) { return str.toLowerCase().replace(/\ /g, "-").replace(/[^a-z0-9~_.-]/g, ""); }, componentDidMount: function() { TreeStore.addChangeListener(this._onChangeStore); this.int = setInterval(this.checkHash, 100); return this.setState({ tocs: this.compute() }); }, checkHash: function() { var hash, k, ref, results, v; if ((document.location.hash != null) && document.location.hash !== this.hash) { hash = document.location.hash.slice(1); ref = this.state.tocs; results = []; for (k in ref) { v = ref[k]; if (hash === this.urlsafe(v.t)) { this.hash = document.location.hash; $(window).scrollTop(v.e.offset().top); break; } else { results.push(void 0); } } return results; } }, componentWillUnmount: function() { TreeStore.removeChangeListener(this._onChangeStore); return clearInterval(this.int); }, getInitialState: function() { return { tocs: this.compute() }; }, compute: function() { var $h, $headers, h, i, len, results; $headers = $('#toc h1, #toc h2, #toc h3, #toc h4'); results = []; for (i = 0, len = $headers.length; i < len; i++) { h = $headers[i]; $h = $(h); results.push({ h: h.tagName.toLowerCase(), t: $h.text(), e: $h }); } return results; }, render: function() { var onClick; onClick = this._click; return div({ className: 'toc' }, this.state.tocs.map(function(arg, key) { var h, t; h = arg.h, t = arg.t; return React.DOM[h]({ onClick: onClick, key: key }, t); })); } }); },{"../stores/TreeStore.coffee":18}],11:[function(require,module,exports){ var Dispatcher; Dispatcher = require('flux').Dispatcher; module.exports = _.extend(new Dispatcher(), { handleServerAction: function(action) { return this.dispatch({ source: 'server', action: action }); }, handleViewAction: function(action) { return this.dispatch({ source: 'view', action: action }); } }); },{"flux":14}],12:[function(require,module,exports){ var rend; rend = React.render; $(function() { var $body, TreeActions, TreePersistence, body, checkMove, checkScroll, frag, head, po, setSo, so; $body = $('body'); React.initializeTouchEvents(true); head = React.createFactory(require('./components/AnchorComponent.coffee')); body = React.createFactory(require('./components/BodyComponent.coffee')); window.tree.reactify = require('./components/Reactify.coffee'); window.tree._basepath = window.urb.util.basepath("/"); window.tree._basepath += (window.location.pathname.replace(window.tree._basepath, "")).split("/")[0]; window.tree.basepath = function(path) { var _path; if (path[0] !== "/") { path = "/" + path; } _path = window.tree._basepath + path; if (_path.slice(-1) === "/") { _path = _path.slice(0, -1); } return _path; }; window.tree.fragpath = function(path) { return path.replace(window.tree._basepath, ""); }; TreeActions = require('./actions/TreeActions.coffee'); TreePersistence = require('./persistence/TreePersistence.coffee'); frag = window.tree.fragpath(window.location.pathname); TreeActions.setCurr(frag); TreeActions.loadPath(frag, window.tree.body, window.tree.kids); rend(head({}, ""), $('#nav')[0]); rend(body({}, ""), $('#cont')[0]); checkScroll = function() { if ($(window).scrollTop() > 20) { return $('#nav').addClass('scrolling'); } else { return $('#nav').removeClass('scrolling'); } }; setInterval(checkScroll, 500); po = {}; po.cm = null; po.lm = null; po.cs = $(window).scrollTop(); po.ls = $(window).scrollTop(); $(document).mousemove(function(e) { return po.cm = { x: e.pageX, y: e.pageY }; }); checkMove = function() { var ds, dx, dy; if (po.lm !== null && po.cm !== null) { po.cs = $(window).scrollTop(); ds = Math.abs(po.cs - po.ls); dx = Math.abs(po.cm.x - po.lm.x); dy = Math.abs(po.cm.y - po.lm.y); $('#nav').toggleClass('moving', dx > 20 || dy > 20); } po.lm = po.cm; return po.ls = po.cs; }; setInterval(checkMove, 200); so = {}; so.ls = $(window).scrollTop(); so.cs = $(window).scrollTop(); so.w = null; so.$n = $('#nav'); so.$d = $('#nav > div'); so.nh = $('#nav').outerHeight(true); setSo = function() { so.w = $(window).width(); return so.$n = $('#nav'); }; setInterval(setSo, 200); $(window).on('resize', function(e) { if (so.w > 1170) { return so.$n.removeClass('m-up m-down m-fixed'); } }); return $(window).on('scroll', function(e) { var dy, sto, top; so.cs = $(window).scrollTop(); if (so.w > 1170) { so.$n.removeClass('m-up m-down m-fixed'); } if (so.w < 1170) { dy = so.ls - so.cs; so.$d.removeClass('focus'); if (so.cs <= 0) { so.$n.removeClass('m-up'); so.$n.addClass('m-down m-fixed'); return; } if (so.$n.hasClass('m-fixed' && so.w < 1024)) { so.$n.css({ left: -1 * $(window).scrollLeft() }); } if (dy > 0) { if (!so.$n.hasClass('m-down')) { so.$n.removeClass('m-up').addClass('m-down'); top = so.cs - so.nh; if (top < 0) { top = 0; } so.$n.offset({ top: top }); } if (so.$n.hasClass('m-down') && !so.$n.hasClass('m-fixed') && so.$n.offset().top >= so.cs) { so.$n.addClass('m-fixed'); so.$n.attr({ style: '' }); } } if (dy < 0) { if (!so.$n.hasClass('m-up')) { so.$n.removeClass('m-down m-fixed').addClass('m-up'); so.$n.attr({ style: '' }); top = so.cs; sto = so.$n.offset().top; if (top < 0) { top = 0; } if (top > sto && top < sto + so.nh) { top = sto; } so.$n.offset({ top: top }); } } } return so.ls = so.cs; }); }); },{"./actions/TreeActions.coffee":1,"./components/AnchorComponent.coffee":2,"./components/BodyComponent.coffee":4,"./components/Reactify.coffee":9,"./persistence/TreePersistence.coffee":17}],13:[function(require,module,exports){ /*! Copyright (c) 2015 Jed Watson. Licensed under the MIT License (MIT), see http://jedwatson.github.io/classnames */ (function () { 'use strict'; function classNames () { var classes = ''; for (var i = 0; i < arguments.length; i++) { var arg = arguments[i]; if (!arg) continue; var argType = typeof arg; if ('string' === argType || 'number' === argType) { classes += ' ' + arg; } else if (Array.isArray(arg)) { classes += ' ' + classNames.apply(null, arg); } else if ('object' === argType) { for (var key in arg) { if (arg.hasOwnProperty(key) && arg[key]) { classes += ' ' + key; } } } } return classes.substr(1); } if (typeof module !== 'undefined' && module.exports) { module.exports = classNames; } else if (typeof define === 'function' && typeof define.amd === 'object' && define.amd){ // AMD. Register as an anonymous module. define(function () { return classNames; }); } else { window.classNames = classNames; } }()); },{}],14:[function(require,module,exports){ /** * Copyright (c) 2014-2015, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. */ module.exports.Dispatcher = require('./lib/Dispatcher') },{"./lib/Dispatcher":15}],15:[function(require,module,exports){ /* * Copyright (c) 2014, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. * * @providesModule Dispatcher * @typechecks */ "use strict"; var invariant = require('./invariant'); var _lastID = 1; var _prefix = 'ID_'; /** * Dispatcher is used to broadcast payloads to registered callbacks. This is * different from generic pub-sub systems in two ways: * * 1) Callbacks are not subscribed to particular events. Every payload is * dispatched to every registered callback. * 2) Callbacks can be deferred in whole or part until other callbacks have * been executed. * * For example, consider this hypothetical flight destination form, which * selects a default city when a country is selected: * * var flightDispatcher = new Dispatcher(); * * // Keeps track of which country is selected * var CountryStore = {country: null}; * * // Keeps track of which city is selected * var CityStore = {city: null}; * * // Keeps track of the base flight price of the selected city * var FlightPriceStore = {price: null} * * When a user changes the selected city, we dispatch the payload: * * flightDispatcher.dispatch({ * actionType: 'city-update', * selectedCity: 'paris' * }); * * This payload is digested by `CityStore`: * * flightDispatcher.register(function(payload) { * if (payload.actionType === 'city-update') { * CityStore.city = payload.selectedCity; * } * }); * * When the user selects a country, we dispatch the payload: * * flightDispatcher.dispatch({ * actionType: 'country-update', * selectedCountry: 'australia' * }); * * This payload is digested by both stores: * * CountryStore.dispatchToken = flightDispatcher.register(function(payload) { * if (payload.actionType === 'country-update') { * CountryStore.country = payload.selectedCountry; * } * }); * * When the callback to update `CountryStore` is registered, we save a reference * to the returned token. Using this token with `waitFor()`, we can guarantee * that `CountryStore` is updated before the callback that updates `CityStore` * needs to query its data. * * CityStore.dispatchToken = flightDispatcher.register(function(payload) { * if (payload.actionType === 'country-update') { * // `CountryStore.country` may not be updated. * flightDispatcher.waitFor([CountryStore.dispatchToken]); * // `CountryStore.country` is now guaranteed to be updated. * * // Select the default city for the new country * CityStore.city = getDefaultCityForCountry(CountryStore.country); * } * }); * * The usage of `waitFor()` can be chained, for example: * * FlightPriceStore.dispatchToken = * flightDispatcher.register(function(payload) { * switch (payload.actionType) { * case 'country-update': * flightDispatcher.waitFor([CityStore.dispatchToken]); * FlightPriceStore.price = * getFlightPriceStore(CountryStore.country, CityStore.city); * break; * * case 'city-update': * FlightPriceStore.price = * FlightPriceStore(CountryStore.country, CityStore.city); * break; * } * }); * * The `country-update` payload will be guaranteed to invoke the stores' * registered callbacks in order: `CountryStore`, `CityStore`, then * `FlightPriceStore`. */ function Dispatcher() { this.$Dispatcher_callbacks = {}; this.$Dispatcher_isPending = {}; this.$Dispatcher_isHandled = {}; this.$Dispatcher_isDispatching = false; this.$Dispatcher_pendingPayload = null; } /** * Registers a callback to be invoked with every dispatched payload. Returns * a token that can be used with `waitFor()`. * * @param {function} callback * @return {string} */ Dispatcher.prototype.register=function(callback) { var id = _prefix + _lastID++; this.$Dispatcher_callbacks[id] = callback; return id; }; /** * Removes a callback based on its token. * * @param {string} id */ Dispatcher.prototype.unregister=function(id) { invariant( this.$Dispatcher_callbacks[id], 'Dispatcher.unregister(...): `%s` does not map to a registered callback.', id ); delete this.$Dispatcher_callbacks[id]; }; /** * Waits for the callbacks specified to be invoked before continuing execution * of the current callback. This method should only be used by a callback in * response to a dispatched payload. * * @param {array} ids */ Dispatcher.prototype.waitFor=function(ids) { invariant( this.$Dispatcher_isDispatching, 'Dispatcher.waitFor(...): Must be invoked while dispatching.' ); for (var ii = 0; ii < ids.length; ii++) { var id = ids[ii]; if (this.$Dispatcher_isPending[id]) { invariant( this.$Dispatcher_isHandled[id], 'Dispatcher.waitFor(...): Circular dependency detected while ' + 'waiting for `%s`.', id ); continue; } invariant( this.$Dispatcher_callbacks[id], 'Dispatcher.waitFor(...): `%s` does not map to a registered callback.', id ); this.$Dispatcher_invokeCallback(id); } }; /** * Dispatches a payload to all registered callbacks. * * @param {object} payload */ Dispatcher.prototype.dispatch=function(payload) { invariant( !this.$Dispatcher_isDispatching, 'Dispatch.dispatch(...): Cannot dispatch in the middle of a dispatch.' ); this.$Dispatcher_startDispatching(payload); try { for (var id in this.$Dispatcher_callbacks) { if (this.$Dispatcher_isPending[id]) { continue; } this.$Dispatcher_invokeCallback(id); } } finally { this.$Dispatcher_stopDispatching(); } }; /** * Is this Dispatcher currently dispatching. * * @return {boolean} */ Dispatcher.prototype.isDispatching=function() { return this.$Dispatcher_isDispatching; }; /** * Call the callback stored with the given id. Also do some internal * bookkeeping. * * @param {string} id * @internal */ Dispatcher.prototype.$Dispatcher_invokeCallback=function(id) { this.$Dispatcher_isPending[id] = true; this.$Dispatcher_callbacks[id](this.$Dispatcher_pendingPayload); this.$Dispatcher_isHandled[id] = true; }; /** * Set up bookkeeping needed when dispatching. * * @param {object} payload * @internal */ Dispatcher.prototype.$Dispatcher_startDispatching=function(payload) { for (var id in this.$Dispatcher_callbacks) { this.$Dispatcher_isPending[id] = false; this.$Dispatcher_isHandled[id] = false; } this.$Dispatcher_pendingPayload = payload; this.$Dispatcher_isDispatching = true; }; /** * Clear bookkeeping used for dispatching. * * @internal */ Dispatcher.prototype.$Dispatcher_stopDispatching=function() { this.$Dispatcher_pendingPayload = null; this.$Dispatcher_isDispatching = false; }; module.exports = Dispatcher; },{"./invariant":16}],16:[function(require,module,exports){ /** * Copyright (c) 2014, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. * * @providesModule invariant */ "use strict"; /** * Use invariant() to assert state which your program assumes to be true. * * Provide sprintf-style format (only %s is supported) and arguments * to provide information about what broke and what you were * expecting. * * The invariant message will be stripped in production, but the invariant * will remain to ensure logic does not differ in production. */ var invariant = function(condition, format, a, b, c, d, e, f) { if (false) { if (format === undefined) { throw new Error('invariant requires an error message argument'); } } if (!condition) { var error; if (format === undefined) { error = new Error( 'Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.' ); } else { var args = [a, b, c, d, e, f]; var argIndex = 0; error = new Error( 'Invariant Violation: ' + format.replace(/%s/g, function() { return args[argIndex++]; }) ); } error.framesToPop = 1; // we don't care about invariant's own frame throw error; } }; module.exports = invariant; },{}],17:[function(require,module,exports){ module.exports = { get: function(path, query, cb) { var url; if (query == null) { query = "no-query"; } url = (window.tree.basepath(path)) + ".json?q=" + (this.encode(query)); return $.get(url, {}, function(data) { if (cb) { return cb(null, data); } }); }, encode: function(obj) { var _encode, delim; delim = function(n) { return ('_'.repeat(n)) || '.'; }; _encode = function(obj) { var _dep, dep, k, res, sub, v; if (typeof obj !== 'object') { return [0, obj]; } dep = 0; sub = (function() { var ref, results; results = []; for (k in obj) { v = obj[k]; ref = _encode(v), _dep = ref[0], res = ref[1]; if (_dep > dep) { dep = _dep; } if (res != null) { results.push(k + (delim(_dep)) + res); } else { results.push(void 0); } } return results; })(); dep++; return [dep, sub.join(delim(dep))]; }; return (_encode(obj))[1]; } }; },{}],18:[function(require,module,exports){ var EventEmitter, MessageDispatcher, TreeStore, _curr, _data, _tree, clog; EventEmitter = require('events').EventEmitter; MessageDispatcher = require('../dispatcher/Dispatcher.coffee'); clog = console.log.bind(console); _tree = {}; _data = {}; _curr = ""; TreeStore = _.extend(EventEmitter.prototype, { addChangeListener: function(cb) { return this.on('change', cb); }, removeChangeListener: function(cb) { return this.removeListener("change", cb); }, emitChange: function() { return this.emit('change'); }, pathToArr: function(_path) { return _path.split("/"); }, fulfill: function(path, query) { return this.fulfillAt(this.getTree(path.split('/')), path, query); }, fulfillAt: function(tree, path, query) { var data, i, k, len, ref, ref1, sub; data = this.fulfillLocal(path, query); ref = ["body", "head", "snip", "meta"]; for (i = 0, len = ref.length; i < len; i++) { k = ref[i]; if (query[k]) { data[k] = (ref1 = _data[path]) != null ? ref1[k] : void 0; } } if (query.kids) { data.kids = {}; for (k in tree) { sub = tree[k]; data.kids[k] = this.fulfillAt(sub, path + "/" + k, query.kids); } } if (!_.isEmpty(data)) { return data; } }, fulfillLocal: function(path, query) { var data; data = {}; if (query.path) { data.path = path; } if (query.name) { data.name = path.split("/").pop(); } if (query.sein) { data.sein = this.getPare(path); } if (query.next) { data.next = this.getNext(path); } if (query.prev) { data.prev = this.getPrev(path); } return data; }, setCurr: function(path) { return _curr = path; }, getCurr: function() { return _curr; }, loadPath: function(path, data) { return this.loadValues(this.getTree(path.split('/'), true), path, data); }, loadValues: function(tree, path, data) { var i, k, len, old, ref, ref1, ref2, v; old = (ref = _data[path]) != null ? ref : {}; ref1 = ["body", "head", "snip", "meta"]; for (i = 0, len = ref1.length; i < len; i++) { k = ref1[i]; if (data[k] !== void 0) { old[k] = data[k]; } } ref2 = data.kids; for (k in ref2) { v = ref2[k]; if (tree[k] == null) { tree[k] = {}; } this.loadValues(tree[k], path + "/" + k, v); } if (data.kids && _.isEmpty(data.kids)) { old.body = { gn: 'div', c: [ { gn: 'h1', ga: { className: 'error' }, c: ['Error: Empty path'] }, { gn: 'div', c: [ { gn: 'pre', c: [this.getCurr()] }, { gn: 'span', c: ['is either empty or does not exist.'] } ] } ] }; } return _data[path] = old; }, getSiblings: function(path) { var curr; if (path == null) { path = _curr; } curr = path.split("/"); curr.pop(); if (curr.length !== 0) { return this.getTree(curr); } else { return {}; } }, getTree: function(_path, make) { var i, len, sub, tree; if (make == null) { make = false; } tree = _tree; for (i = 0, len = _path.length; i < len; i++) { sub = _path[i]; if (tree[sub] == null) { if (!make) { return null; } tree[sub] = {}; } tree = tree[sub]; } return tree; }, getPrev: function(path) { var ind, key, par, sibs, win; if (path == null) { path = _curr; } sibs = _.keys(this.getSiblings(path)).sort(); if (sibs.length < 2) { return null; } else { par = path.split("/"); key = par.pop(); ind = sibs.indexOf(key); win = ind - 1 >= 0 ? sibs[ind - 1] : sibs[sibs.length - 1]; par.push(win); return par.join("/"); } }, getNext: function(path) { var ind, key, par, sibs, win; if (path == null) { path = _curr; } sibs = _.keys(this.getSiblings(path)).sort(); if (sibs.length < 2) { return null; } else { par = path.split("/"); key = par.pop(); ind = sibs.indexOf(key); win = ind + 1 < sibs.length ? sibs[ind + 1] : sibs[0]; par.push(win); return par.join("/"); } }, getPare: function(path) { var _path; if (path == null) { path = _curr; } _path = this.pathToArr(path); if (_path.length > 1) { _path.pop(); _path = _path.join("/"); if (_path === "") { _path = "/"; } return _path; } else { return null; } } }); TreeStore.dispatchToken = MessageDispatcher.register(function(payload) { var action; action = payload.action; switch (action.type) { case 'path-load': TreeStore.loadPath(action.path, action.data); return TreeStore.emitChange(); case 'set-curr': TreeStore.setCurr(action.path); return TreeStore.emitChange(); } }); module.exports = TreeStore; },{"../dispatcher/Dispatcher.coffee":11,"events":19}],19:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. function EventEmitter() { this._events = this._events || {}; this._maxListeners = this._maxListeners || undefined; } module.exports = EventEmitter; // Backwards-compat with node 0.10.x EventEmitter.EventEmitter = EventEmitter; EventEmitter.prototype._events = undefined; EventEmitter.prototype._maxListeners = undefined; // By default EventEmitters will print a warning if more than 10 listeners are // added to it. This is a useful default which helps finding memory leaks. EventEmitter.defaultMaxListeners = 10; // Obviously not all Emitters should be limited to 10. This function allows // that to be increased. Set to zero for unlimited. EventEmitter.prototype.setMaxListeners = function(n) { if (!isNumber(n) || n < 0 || isNaN(n)) throw TypeError('n must be a positive number'); this._maxListeners = n; return this; }; EventEmitter.prototype.emit = function(type) { var er, handler, len, args, i, listeners; if (!this._events) this._events = {}; // If there is no 'error' event listener then throw. if (type === 'error') { if (!this._events.error || (isObject(this._events.error) && !this._events.error.length)) { er = arguments[1]; if (er instanceof Error) { throw er; // Unhandled 'error' event } throw TypeError('Uncaught, unspecified "error" event.'); } } handler = this._events[type]; if (isUndefined(handler)) return false; if (isFunction(handler)) { switch (arguments.length) { // fast cases case 1: handler.call(this); break; case 2: handler.call(this, arguments[1]); break; case 3: handler.call(this, arguments[1], arguments[2]); break; // slower default: len = arguments.length; args = new Array(len - 1); for (i = 1; i < len; i++) args[i - 1] = arguments[i]; handler.apply(this, args); } } else if (isObject(handler)) { len = arguments.length; args = new Array(len - 1); for (i = 1; i < len; i++) args[i - 1] = arguments[i]; listeners = handler.slice(); len = listeners.length; for (i = 0; i < len; i++) listeners[i].apply(this, args); } return true; }; EventEmitter.prototype.addListener = function(type, listener) { var m; if (!isFunction(listener)) throw TypeError('listener must be a function'); if (!this._events) this._events = {}; // To avoid recursion in the case that type === "newListener"! Before // adding it to the listeners, first emit "newListener". if (this._events.newListener) this.emit('newListener', type, isFunction(listener.listener) ? listener.listener : listener); if (!this._events[type]) // Optimize the case of one listener. Don't need the extra array object. this._events[type] = listener; else if (isObject(this._events[type])) // If we've already got an array, just append. this._events[type].push(listener); else // Adding the second element, need to change to array. this._events[type] = [this._events[type], listener]; // Check for listener leak if (isObject(this._events[type]) && !this._events[type].warned) { var m; if (!isUndefined(this._maxListeners)) { m = this._maxListeners; } else { m = EventEmitter.defaultMaxListeners; } if (m && m > 0 && this._events[type].length > m) { this._events[type].warned = true; console.error('(node) warning: possible EventEmitter memory ' + 'leak detected. %d listeners added. ' + 'Use emitter.setMaxListeners() to increase limit.', this._events[type].length); if (typeof console.trace === 'function') { // not supported in IE 10 console.trace(); } } } return this; }; EventEmitter.prototype.on = EventEmitter.prototype.addListener; EventEmitter.prototype.once = function(type, listener) { if (!isFunction(listener)) throw TypeError('listener must be a function'); var fired = false; function g() { this.removeListener(type, g); if (!fired) { fired = true; listener.apply(this, arguments); } } g.listener = listener; this.on(type, g); return this; }; // emits a 'removeListener' event iff the listener was removed EventEmitter.prototype.removeListener = function(type, listener) { var list, position, length, i; if (!isFunction(listener)) throw TypeError('listener must be a function'); if (!this._events || !this._events[type]) return this; list = this._events[type]; length = list.length; position = -1; if (list === listener || (isFunction(list.listener) && list.listener === listener)) { delete this._events[type]; if (this._events.removeListener) this.emit('removeListener', type, listener); } else if (isObject(list)) { for (i = length; i-- > 0;) { if (list[i] === listener || (list[i].listener && list[i].listener === listener)) { position = i; break; } } if (position < 0) return this; if (list.length === 1) { list.length = 0; delete this._events[type]; } else { list.splice(position, 1); } if (this._events.removeListener) this.emit('removeListener', type, listener); } return this; }; EventEmitter.prototype.removeAllListeners = function(type) { var key, listeners; if (!this._events) return this; // not listening for removeListener, no need to emit if (!this._events.removeListener) { if (arguments.length === 0) this._events = {}; else if (this._events[type]) delete this._events[type]; return this; } // emit removeListener for all listeners on all events if (arguments.length === 0) { for (key in this._events) { if (key === 'removeListener') continue; this.removeAllListeners(key); } this.removeAllListeners('removeListener'); this._events = {}; return this; } listeners = this._events[type]; if (isFunction(listeners)) { this.removeListener(type, listeners); } else { // LIFO order while (listeners.length) this.removeListener(type, listeners[listeners.length - 1]); } delete this._events[type]; return this; }; EventEmitter.prototype.listeners = function(type) { var ret; if (!this._events || !this._events[type]) ret = []; else if (isFunction(this._events[type])) ret = [this._events[type]]; else ret = this._events[type].slice(); return ret; }; EventEmitter.listenerCount = function(emitter, type) { var ret; if (!emitter._events || !emitter._events[type]) ret = 0; else if (isFunction(emitter._events[type])) ret = 1; else ret = emitter._events[type].length; return ret; }; function isFunction(arg) { return typeof arg === 'function'; } function isNumber(arg) { return typeof arg === 'number'; } function isObject(arg) { return typeof arg === 'object' && arg !== null; } function isUndefined(arg) { return arg === void 0; } },{}]},{},[12]);