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test case with require.js, coffeescript integration; all views with t…

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1 parent e9693ad commit a2e42bdd0e5c2a019e59b40a5406ecb643f91611 Arvid Paeglit committed Aug 6, 2013
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1 .gitignore
@@ -0,0 +1 @@
+.idea/*
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20 README.md
@@ -50,3 +50,23 @@ Submit your results by emailing us a patchset created via the git format-patch
command.
Email your patchset to: tech-jobs@wisertogether.com
+
+
+Installation
+============
+
+Install node.js and npm::
+
+ $ sudo apt-get install nodejs npm
+
+Install coffee-script
+
+ $ sudo npm install -g coffee-script
+
+
+Usage
+=====
+
+To build main JS file from CoffeeScript::
+
+ $ source ./build_script.sh
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30 app/build.js
@@ -0,0 +1,30 @@
+({
+ name: "main",
+ out: "../build/test-app.js",
+ baseUrl: ".",
+ stubModules: ['cs', 'text'],
+ exclude: ['coffee-script'],
+ preserveLicenseComments: false,
+ optimize: "none",
+ paths: {
+ "text" : "libs/text",
+ "cs" : "libs/cs",
+ "json" : "libs/json",
+ "domReady" : "libs/domReady",
+ 'coffee-script' : 'libs/coffee-script',
+ 'jquery' : 'libs/jquery-1.10.2',
+ 'backbone' : 'libs/backbone',
+ 'underscore' : 'libs/underscore',
+ "requireLib" : "libs/require"
+ },
+ shim: {
+ 'backbone': {
+ deps: ['underscore', 'jquery'],
+ exports: 'Backbone'
+ },
+ 'underscore': {
+ exports: '_'
+ }
+ },
+ include: "requireLib"
+})
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33 app/data/aneurysm.json
@@ -0,0 +1,33 @@
+{
+ "name": "Aneurysm",
+ "treatments": {
+ "ace-inhibitors": {
+ "description": "High blood pressure, or hypertension, can increase your risk of an aneurysm. The force of the blood against the walls of your arteries can stretch part of a wall until it bulges outward (an aneurysm), particularly if the artery is already diseased. If you're diagnosed with an aneurysm, the goal of treatment is to prevent it from rupturing (bursting) or putting pressure on the surrounding organs. This includes controlling high blood pressure, often through blood pressure medication (known as...",
+ "display_name": "ACE inhibitors"
+ },
+ "angiotensin-ii-receptor-blockers": {
+ "description": "If you have a heart condition, you may be prescribed angiotensin II receptor blockers (ARBs) to lower your blood pressure. Angiotensin II is a naturally occurring substance in the body that causes the blood vessels to become narrower. This in turn raises blood pressure, which is the force of blood pushing against the walls of the blood vessels. Angiotensin II can also increase the levels of sodium and water in the body - another factor that leads to high blood pressure. Angiotensin II receptor...",
+ "display_name": "Angiotensin II receptor blockers"
+ },
+ "bile-acid-resins": {
+ "description": "People at risk of developing heart disease - or have been diagnosed with a heart condition - often have too much cholesterol in their blood. Along with other treatments, doctors commonly prescribe cholesterol-lowering medication for heart patients. Bile acid resins, also known as bile sequestrants or bile acid-binding medicines, are one type of cholesterol-lowering medication. Primarily, they lower LDL ('bad') cholesterol levels. LDL cholesterol is the kind that can lead to plaque buildup inside...",
+ "display_name": "Bile-acid resins"
+ },
+ "calcium-channel-blockers": {
+ "description": "Calcium isn't just important for healthy bones and teeth: It also allows your muscles to contract, including the muscles in the walls of your blood vessels. If you have certain heart-related conditions, this narrowing of blood vessels can lead to higher blood pressure and other issues. Calcium channel blockers are often prescribed to lower blood pressure and, in some cases, relieve chest pain. The medication works by limiting (or blocking) the amount of calcium taken in by muscle cells in the...",
+ "display_name": "Calcium channel blockers"
+ },
+ "diuretics-water-pills": {
+ "description": "If you have a heart-related medical condition, your heart may not be pumping strongly enough. As a result, fluids can build up in your body. A diuretic, also known as a water pill or water tablet, can help your body reduce excess fluid by increasing how often you urinate. Your blood contains more than just blood cells - it also contains oxygen, nutrients and a lot of water. Diuretics cause your kidneys to get rid of excess sodium (salt) through your urine - taking with it water from your...",
+ "display_name": "Diuretics (water pills)"
+ },
+ "fibrates": {
+ "description": "Lowering cholesterol is an important part of treating and preventing heart disease. While some cholesterol is necessary and healthy, high cholesterol is a major contributor to heart disease and heart attack. Along with other treatments, doctors commonly prescribe cholesterol-lowering medication for heart patients. Fibrates are one type of cholesterol-lowering medication. Fibrates primarily reduce levels of triglycerides in the blood, which are a damaging type of fat in the blood. They also...",
+ "display_name": "Fibrates"
+ },
+ "statins": {
+ "description": "Lowering cholesterol is an important part of treating and preventing heart disease. High cholesterol can contribute to atherosclerosis (artery blockage), which can lead to heart attack, stroke, aneurysm and other health complications. If you have an aneurysm, the goal of treatment is to make sure the aneurysm doesn't get bigger or burst. Atherosclerosis can change blood vessel walls; as plaque builds up, the weakened artery wall can bulge out more or rupture. Managing cholesterol, and therefore...",
+ "display_name": "Statins"
+ }
+ }
+}
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1,571 app/libs/backbone.js
@@ -0,0 +1,1571 @@
+// Backbone.js 1.0.0
+
+// (c) 2010-2013 Jeremy Ashkenas, DocumentCloud Inc.
+// Backbone may be freely distributed under the MIT license.
+// For all details and documentation:
+// http://backbonejs.org
+
+(function(){
+
+ // Initial Setup
+ // -------------
+
+ // Save a reference to the global object (`window` in the browser, `exports`
+ // on the server).
+ var root = this;
+
+ // Save the previous value of the `Backbone` variable, so that it can be
+ // restored later on, if `noConflict` is used.
+ var previousBackbone = root.Backbone;
+
+ // Create local references to array methods we'll want to use later.
+ var array = [];
+ var push = array.push;
+ var slice = array.slice;
+ var splice = array.splice;
+
+ // The top-level namespace. All public Backbone classes and modules will
+ // be attached to this. Exported for both the browser and the server.
+ var Backbone;
+ if (typeof exports !== 'undefined') {
+ Backbone = exports;
+ } else {
+ Backbone = root.Backbone = {};
+ }
+
+ // Current version of the library. Keep in sync with `package.json`.
+ Backbone.VERSION = '1.0.0';
+
+ // Require Underscore, if we're on the server, and it's not already present.
+ var _ = root._;
+ if (!_ && (typeof require !== 'undefined')) _ = require('underscore');
+
+ // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
+ // the `$` variable.
+ Backbone.$ = root.jQuery || root.Zepto || root.ender || root.$;
+
+ // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
+ // to its previous owner. Returns a reference to this Backbone object.
+ Backbone.noConflict = function() {
+ root.Backbone = previousBackbone;
+ return this;
+ };
+
+ // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
+ // will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
+ // set a `X-Http-Method-Override` header.
+ Backbone.emulateHTTP = false;
+
+ // Turn on `emulateJSON` to support legacy servers that can't deal with direct
+ // `application/json` requests ... will encode the body as
+ // `application/x-www-form-urlencoded` instead and will send the model in a
+ // form param named `model`.
+ Backbone.emulateJSON = false;
+
+ // Backbone.Events
+ // ---------------
+
+ // A module that can be mixed in to *any object* in order to provide it with
+ // custom events. You may bind with `on` or remove with `off` callback
+ // functions to an event; `trigger`-ing an event fires all callbacks in
+ // succession.
+ //
+ // var object = {};
+ // _.extend(object, Backbone.Events);
+ // object.on('expand', function(){ alert('expanded'); });
+ // object.trigger('expand');
+ //
+ var Events = Backbone.Events = {
+
+ // Bind an event to a `callback` function. Passing `"all"` will bind
+ // the callback to all events fired.
+ on: function(name, callback, context) {
+ if (!eventsApi(this, 'on', name, [callback, context]) || !callback) return this;
+ this._events || (this._events = {});
+ var events = this._events[name] || (this._events[name] = []);
+ events.push({callback: callback, context: context, ctx: context || this});
+ return this;
+ },
+
+ // Bind an event to only be triggered a single time. After the first time
+ // the callback is invoked, it will be removed.
+ once: function(name, callback, context) {
+ if (!eventsApi(this, 'once', name, [callback, context]) || !callback) return this;
+ var self = this;
+ var once = _.once(function() {
+ self.off(name, once);
+ callback.apply(this, arguments);
+ });
+ once._callback = callback;
+ return this.on(name, once, context);
+ },
+
+ // Remove one or many callbacks. If `context` is null, removes all
+ // callbacks with that function. If `callback` is null, removes all
+ // callbacks for the event. If `name` is null, removes all bound
+ // callbacks for all events.
+ off: function(name, callback, context) {
+ var retain, ev, events, names, i, l, j, k;
+ if (!this._events || !eventsApi(this, 'off', name, [callback, context])) return this;
+ if (!name && !callback && !context) {
+ this._events = {};
+ return this;
+ }
+
+ names = name ? [name] : _.keys(this._events);
+ for (i = 0, l = names.length; i < l; i++) {
+ name = names[i];
+ if (events = this._events[name]) {
+ this._events[name] = retain = [];
+ if (callback || context) {
+ for (j = 0, k = events.length; j < k; j++) {
+ ev = events[j];
+ if ((callback && callback !== ev.callback && callback !== ev.callback._callback) ||
+ (context && context !== ev.context)) {
+ retain.push(ev);
+ }
+ }
+ }
+ if (!retain.length) delete this._events[name];
+ }
+ }
+
+ return this;
+ },
+
+ // Trigger one or many events, firing all bound callbacks. Callbacks are
+ // passed the same arguments as `trigger` is, apart from the event name
+ // (unless you're listening on `"all"`, which will cause your callback to
+ // receive the true name of the event as the first argument).
+ trigger: function(name) {
+ if (!this._events) return this;
+ var args = slice.call(arguments, 1);
+ if (!eventsApi(this, 'trigger', name, args)) return this;
+ var events = this._events[name];
+ var allEvents = this._events.all;
+ if (events) triggerEvents(events, args);
+ if (allEvents) triggerEvents(allEvents, arguments);
+ return this;
+ },
+
+ // Tell this object to stop listening to either specific events ... or
+ // to every object it's currently listening to.
+ stopListening: function(obj, name, callback) {
+ var listeners = this._listeners;
+ if (!listeners) return this;
+ var deleteListener = !name && !callback;
+ if (typeof name === 'object') callback = this;
+ if (obj) (listeners = {})[obj._listenerId] = obj;
+ for (var id in listeners) {
+ listeners[id].off(name, callback, this);
+ if (deleteListener) delete this._listeners[id];
+ }
+ return this;
+ }
+
+ };
+
+ // Regular expression used to split event strings.
+ var eventSplitter = /\s+/;
+
+ // Implement fancy features of the Events API such as multiple event
+ // names `"change blur"` and jQuery-style event maps `{change: action}`
+ // in terms of the existing API.
+ var eventsApi = function(obj, action, name, rest) {
+ if (!name) return true;
+
+ // Handle event maps.
+ if (typeof name === 'object') {
+ for (var key in name) {
+ obj[action].apply(obj, [key, name[key]].concat(rest));
+ }
+ return false;
+ }
+
+ // Handle space separated event names.
+ if (eventSplitter.test(name)) {
+ var names = name.split(eventSplitter);
+ for (var i = 0, l = names.length; i < l; i++) {
+ obj[action].apply(obj, [names[i]].concat(rest));
+ }
+ return false;
+ }
+
+ return true;
+ };
+
+ // A difficult-to-believe, but optimized internal dispatch function for
+ // triggering events. Tries to keep the usual cases speedy (most internal
+ // Backbone events have 3 arguments).
+ var triggerEvents = function(events, args) {
+ var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
+ switch (args.length) {
+ case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
+ case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
+ case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
+ case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
+ default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args);
+ }
+ };
+
+ var listenMethods = {listenTo: 'on', listenToOnce: 'once'};
+
+ // Inversion-of-control versions of `on` and `once`. Tell *this* object to
+ // listen to an event in another object ... keeping track of what it's
+ // listening to.
+ _.each(listenMethods, function(implementation, method) {
+ Events[method] = function(obj, name, callback) {
+ var listeners = this._listeners || (this._listeners = {});
+ var id = obj._listenerId || (obj._listenerId = _.uniqueId('l'));
+ listeners[id] = obj;
+ if (typeof name === 'object') callback = this;
+ obj[implementation](name, callback, this);
+ return this;
+ };
+ });
+
+ // Aliases for backwards compatibility.
+ Events.bind = Events.on;
+ Events.unbind = Events.off;
+
+ // Allow the `Backbone` object to serve as a global event bus, for folks who
+ // want global "pubsub" in a convenient place.
+ _.extend(Backbone, Events);
+
+ // Backbone.Model
+ // --------------
+
+ // Backbone **Models** are the basic data object in the framework --
+ // frequently representing a row in a table in a database on your server.
+ // A discrete chunk of data and a bunch of useful, related methods for
+ // performing computations and transformations on that data.
+
+ // Create a new model with the specified attributes. A client id (`cid`)
+ // is automatically generated and assigned for you.
+ var Model = Backbone.Model = function(attributes, options) {
+ var defaults;
+ var attrs = attributes || {};
+ options || (options = {});
+ this.cid = _.uniqueId('c');
+ this.attributes = {};
+ _.extend(this, _.pick(options, modelOptions));
+ if (options.parse) attrs = this.parse(attrs, options) || {};
+ if (defaults = _.result(this, 'defaults')) {
+ attrs = _.defaults({}, attrs, defaults);
+ }
+ this.set(attrs, options);
+ this.changed = {};
+ this.initialize.apply(this, arguments);
+ };
+
+ // A list of options to be attached directly to the model, if provided.
+ var modelOptions = ['url', 'urlRoot', 'collection'];
+
+ // Attach all inheritable methods to the Model prototype.
+ _.extend(Model.prototype, Events, {
+
+ // A hash of attributes whose current and previous value differ.
+ changed: null,
+
+ // The value returned during the last failed validation.
+ validationError: null,
+
+ // The default name for the JSON `id` attribute is `"id"`. MongoDB and
+ // CouchDB users may want to set this to `"_id"`.
+ idAttribute: 'id',
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // Return a copy of the model's `attributes` object.
+ toJSON: function(options) {
+ return _.clone(this.attributes);
+ },
+
+ // Proxy `Backbone.sync` by default -- but override this if you need
+ // custom syncing semantics for *this* particular model.
+ sync: function() {
+ return Backbone.sync.apply(this, arguments);
+ },
+
+ // Get the value of an attribute.
+ get: function(attr) {
+ return this.attributes[attr];
+ },
+
+ // Get the HTML-escaped value of an attribute.
+ escape: function(attr) {
+ return _.escape(this.get(attr));
+ },
+
+ // Returns `true` if the attribute contains a value that is not null
+ // or undefined.
+ has: function(attr) {
+ return this.get(attr) != null;
+ },
+
+ // Set a hash of model attributes on the object, firing `"change"`. This is
+ // the core primitive operation of a model, updating the data and notifying
+ // anyone who needs to know about the change in state. The heart of the beast.
+ set: function(key, val, options) {
+ var attr, attrs, unset, changes, silent, changing, prev, current;
+ if (key == null) return this;
+
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ if (typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
+
+ options || (options = {});
+
+ // Run validation.
+ if (!this._validate(attrs, options)) return false;
+
+ // Extract attributes and options.
+ unset = options.unset;
+ silent = options.silent;
+ changes = [];
+ changing = this._changing;
+ this._changing = true;
+
+ if (!changing) {
+ this._previousAttributes = _.clone(this.attributes);
+ this.changed = {};
+ }
+ current = this.attributes, prev = this._previousAttributes;
+
+ // Check for changes of `id`.
+ if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
+
+ // For each `set` attribute, update or delete the current value.
+ for (attr in attrs) {
+ val = attrs[attr];
+ if (!_.isEqual(current[attr], val)) changes.push(attr);
+ if (!_.isEqual(prev[attr], val)) {
+ this.changed[attr] = val;
+ } else {
+ delete this.changed[attr];
+ }
+ unset ? delete current[attr] : current[attr] = val;
+ }
+
+ // Trigger all relevant attribute changes.
+ if (!silent) {
+ if (changes.length) this._pending = true;
+ for (var i = 0, l = changes.length; i < l; i++) {
+ this.trigger('change:' + changes[i], this, current[changes[i]], options);
+ }
+ }
+
+ // You might be wondering why there's a `while` loop here. Changes can
+ // be recursively nested within `"change"` events.
+ if (changing) return this;
+ if (!silent) {
+ while (this._pending) {
+ this._pending = false;
+ this.trigger('change', this, options);
+ }
+ }
+ this._pending = false;
+ this._changing = false;
+ return this;
+ },
+
+ // Remove an attribute from the model, firing `"change"`. `unset` is a noop
+ // if the attribute doesn't exist.
+ unset: function(attr, options) {
+ return this.set(attr, void 0, _.extend({}, options, {unset: true}));
+ },
+
+ // Clear all attributes on the model, firing `"change"`.
+ clear: function(options) {
+ var attrs = {};
+ for (var key in this.attributes) attrs[key] = void 0;
+ return this.set(attrs, _.extend({}, options, {unset: true}));
+ },
+
+ // Determine if the model has changed since the last `"change"` event.
+ // If you specify an attribute name, determine if that attribute has changed.
+ hasChanged: function(attr) {
+ if (attr == null) return !_.isEmpty(this.changed);
+ return _.has(this.changed, attr);
+ },
+
+ // Return an object containing all the attributes that have changed, or
+ // false if there are no changed attributes. Useful for determining what
+ // parts of a view need to be updated and/or what attributes need to be
+ // persisted to the server. Unset attributes will be set to undefined.
+ // You can also pass an attributes object to diff against the model,
+ // determining if there *would be* a change.
+ changedAttributes: function(diff) {
+ if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
+ var val, changed = false;
+ var old = this._changing ? this._previousAttributes : this.attributes;
+ for (var attr in diff) {
+ if (_.isEqual(old[attr], (val = diff[attr]))) continue;
+ (changed || (changed = {}))[attr] = val;
+ }
+ return changed;
+ },
+
+ // Get the previous value of an attribute, recorded at the time the last
+ // `"change"` event was fired.
+ previous: function(attr) {
+ if (attr == null || !this._previousAttributes) return null;
+ return this._previousAttributes[attr];
+ },
+
+ // Get all of the attributes of the model at the time of the previous
+ // `"change"` event.
+ previousAttributes: function() {
+ return _.clone(this._previousAttributes);
+ },
+
+ // Fetch the model from the server. If the server's representation of the
+ // model differs from its current attributes, they will be overridden,
+ // triggering a `"change"` event.
+ fetch: function(options) {
+ options = options ? _.clone(options) : {};
+ if (options.parse === void 0) options.parse = true;
+ var model = this;
+ var success = options.success;
+ options.success = function(resp) {
+ if (!model.set(model.parse(resp, options), options)) return false;
+ if (success) success(model, resp, options);
+ model.trigger('sync', model, resp, options);
+ };
+ wrapError(this, options);
+ return this.sync('read', this, options);
+ },
+
+ // Set a hash of model attributes, and sync the model to the server.
+ // If the server returns an attributes hash that differs, the model's
+ // state will be `set` again.
+ save: function(key, val, options) {
+ var attrs, method, xhr, attributes = this.attributes;
+
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ if (key == null || typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
+
+ // If we're not waiting and attributes exist, save acts as `set(attr).save(null, opts)`.
+ if (attrs && (!options || !options.wait) && !this.set(attrs, options)) return false;
+
+ options = _.extend({validate: true}, options);
+
+ // Do not persist invalid models.
+ if (!this._validate(attrs, options)) return false;
+
+ // Set temporary attributes if `{wait: true}`.
+ if (attrs && options.wait) {
+ this.attributes = _.extend({}, attributes, attrs);
+ }
+
+ // After a successful server-side save, the client is (optionally)
+ // updated with the server-side state.
+ if (options.parse === void 0) options.parse = true;
+ var model = this;
+ var success = options.success;
+ options.success = function(resp) {
+ // Ensure attributes are restored during synchronous saves.
+ model.attributes = attributes;
+ var serverAttrs = model.parse(resp, options);
+ if (options.wait) serverAttrs = _.extend(attrs || {}, serverAttrs);
+ if (_.isObject(serverAttrs) && !model.set(serverAttrs, options)) {
+ return false;
+ }
+ if (success) success(model, resp, options);
+ model.trigger('sync', model, resp, options);
+ };
+ wrapError(this, options);
+
+ method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
+ if (method === 'patch') options.attrs = attrs;
+ xhr = this.sync(method, this, options);
+
+ // Restore attributes.
+ if (attrs && options.wait) this.attributes = attributes;
+
+ return xhr;
+ },
+
+ // Destroy this model on the server if it was already persisted.
+ // Optimistically removes the model from its collection, if it has one.
+ // If `wait: true` is passed, waits for the server to respond before removal.
+ destroy: function(options) {
+ options = options ? _.clone(options) : {};
+ var model = this;
+ var success = options.success;
+
+ var destroy = function() {
+ model.trigger('destroy', model, model.collection, options);
+ };
+
+ options.success = function(resp) {
+ if (options.wait || model.isNew()) destroy();
+ if (success) success(model, resp, options);
+ if (!model.isNew()) model.trigger('sync', model, resp, options);
+ };
+
+ if (this.isNew()) {
+ options.success();
+ return false;
+ }
+ wrapError(this, options);
+
+ var xhr = this.sync('delete', this, options);
+ if (!options.wait) destroy();
+ return xhr;
+ },
+
+ // Default URL for the model's representation on the server -- if you're
+ // using Backbone's restful methods, override this to change the endpoint
+ // that will be called.
+ url: function() {
+ var base = _.result(this, 'urlRoot') || _.result(this.collection, 'url') || urlError();
+ if (this.isNew()) return base;
+ return base + (base.charAt(base.length - 1) === '/' ? '' : '/') + encodeURIComponent(this.id);
+ },
+
+ // **parse** converts a response into the hash of attributes to be `set` on
+ // the model. The default implementation is just to pass the response along.
+ parse: function(resp, options) {
+ return resp;
+ },
+
+ // Create a new model with identical attributes to this one.
+ clone: function() {
+ return new this.constructor(this.attributes);
+ },
+
+ // A model is new if it has never been saved to the server, and lacks an id.
+ isNew: function() {
+ return this.id == null;
+ },
+
+ // Check if the model is currently in a valid state.
+ isValid: function(options) {
+ return this._validate({}, _.extend(options || {}, { validate: true }));
+ },
+
+ // Run validation against the next complete set of model attributes,
+ // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
+ _validate: function(attrs, options) {
+ if (!options.validate || !this.validate) return true;
+ attrs = _.extend({}, this.attributes, attrs);
+ var error = this.validationError = this.validate(attrs, options) || null;
+ if (!error) return true;
+ this.trigger('invalid', this, error, _.extend(options || {}, {validationError: error}));
+ return false;
+ }
+
+ });
+
+ // Underscore methods that we want to implement on the Model.
+ var modelMethods = ['keys', 'values', 'pairs', 'invert', 'pick', 'omit'];
+
+ // Mix in each Underscore method as a proxy to `Model#attributes`.
+ _.each(modelMethods, function(method) {
+ Model.prototype[method] = function() {
+ var args = slice.call(arguments);
+ args.unshift(this.attributes);
+ return _[method].apply(_, args);
+ };
+ });
+
+ // Backbone.Collection
+ // -------------------
+
+ // If models tend to represent a single row of data, a Backbone Collection is
+ // more analagous to a table full of data ... or a small slice or page of that
+ // table, or a collection of rows that belong together for a particular reason
+ // -- all of the messages in this particular folder, all of the documents
+ // belonging to this particular author, and so on. Collections maintain
+ // indexes of their models, both in order, and for lookup by `id`.
+
+ // Create a new **Collection**, perhaps to contain a specific type of `model`.
+ // If a `comparator` is specified, the Collection will maintain
+ // its models in sort order, as they're added and removed.
+ var Collection = Backbone.Collection = function(models, options) {
+ options || (options = {});
+ if (options.url) this.url = options.url;
+ if (options.model) this.model = options.model;
+ if (options.comparator !== void 0) this.comparator = options.comparator;
+ this._reset();
+ this.initialize.apply(this, arguments);
+ if (models) this.reset(models, _.extend({silent: true}, options));
+ };
+
+ // Default options for `Collection#set`.
+ var setOptions = {add: true, remove: true, merge: true};
+ var addOptions = {add: true, merge: false, remove: false};
+
+ // Define the Collection's inheritable methods.
+ _.extend(Collection.prototype, Events, {
+
+ // The default model for a collection is just a **Backbone.Model**.
+ // This should be overridden in most cases.
+ model: Model,
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // The JSON representation of a Collection is an array of the
+ // models' attributes.
+ toJSON: function(options) {
+ return this.map(function(model){ return model.toJSON(options); });
+ },
+
+ // Proxy `Backbone.sync` by default.
+ sync: function() {
+ return Backbone.sync.apply(this, arguments);
+ },
+
+ // Add a model, or list of models to the set.
+ add: function(models, options) {
+ return this.set(models, _.defaults(options || {}, addOptions));
+ },
+
+ // Remove a model, or a list of models from the set.
+ remove: function(models, options) {
+ models = _.isArray(models) ? models.slice() : [models];
+ options || (options = {});
+ var i, l, index, model;
+ for (i = 0, l = models.length; i < l; i++) {
+ model = this.get(models[i]);
+ if (!model) continue;
+ delete this._byId[model.id];
+ delete this._byId[model.cid];
+ index = this.indexOf(model);
+ this.models.splice(index, 1);
+ this.length--;
+ if (!options.silent) {
+ options.index = index;
+ model.trigger('remove', model, this, options);
+ }
+ this._removeReference(model);
+ }
+ return this;
+ },
+
+ // Update a collection by `set`-ing a new list of models, adding new ones,
+ // removing models that are no longer present, and merging models that
+ // already exist in the collection, as necessary. Similar to **Model#set**,
+ // the core operation for updating the data contained by the collection.
+ set: function(models, options) {
+ options = _.defaults(options || {}, setOptions);
+ if (options.parse) models = this.parse(models, options);
+ if (!_.isArray(models)) models = models ? [models] : [];
+ var i, l, model, attrs, existing, sort;
+ var at = options.at;
+ var sortable = this.comparator && (at == null) && options.sort !== false;
+ var sortAttr = _.isString(this.comparator) ? this.comparator : null;
+ var toAdd = [], toRemove = [], modelMap = {};
+
+ // Turn bare objects into model references, and prevent invalid models
+ // from being added.
+ for (i = 0, l = models.length; i < l; i++) {
+ if (!(model = this._prepareModel(models[i], options))) continue;
+
+ // If a duplicate is found, prevent it from being added and
+ // optionally merge it into the existing model.
+ if (existing = this.get(model)) {
+ if (options.remove) modelMap[existing.cid] = true;
+ if (options.merge) {
+ existing.set(model.attributes, options);
+ if (sortable && !sort && existing.hasChanged(sortAttr)) sort = true;
+ }
+
+ // This is a new model, push it to the `toAdd` list.
+ } else if (options.add) {
+ toAdd.push(model);
+
+ // Listen to added models' events, and index models for lookup by
+ // `id` and by `cid`.
+ model.on('all', this._onModelEvent, this);
+ this._byId[model.cid] = model;
+ if (model.id != null) this._byId[model.id] = model;
+ }
+ }
+
+ // Remove nonexistent models if appropriate.
+ if (options.remove) {
+ for (i = 0, l = this.length; i < l; ++i) {
+ if (!modelMap[(model = this.models[i]).cid]) toRemove.push(model);
+ }
+ if (toRemove.length) this.remove(toRemove, options);
+ }
+
+ // See if sorting is needed, update `length` and splice in new models.
+ if (toAdd.length) {
+ if (sortable) sort = true;
+ this.length += toAdd.length;
+ if (at != null) {
+ splice.apply(this.models, [at, 0].concat(toAdd));
+ } else {
+ push.apply(this.models, toAdd);
+ }
+ }
+
+ // Silently sort the collection if appropriate.
+ if (sort) this.sort({silent: true});
+
+ if (options.silent) return this;
+
+ // Trigger `add` events.
+ for (i = 0, l = toAdd.length; i < l; i++) {
+ (model = toAdd[i]).trigger('add', model, this, options);
+ }
+
+ // Trigger `sort` if the collection was sorted.
+ if (sort) this.trigger('sort', this, options);
+ return this;
+ },
+
+ // When you have more items than you want to add or remove individually,
+ // you can reset the entire set with a new list of models, without firing
+ // any granular `add` or `remove` events. Fires `reset` when finished.
+ // Useful for bulk operations and optimizations.
+ reset: function(models, options) {
+ options || (options = {});
+ for (var i = 0, l = this.models.length; i < l; i++) {
+ this._removeReference(this.models[i]);
+ }
+ options.previousModels = this.models;
+ this._reset();
+ this.add(models, _.extend({silent: true}, options));
+ if (!options.silent) this.trigger('reset', this, options);
+ return this;
+ },
+
+ // Add a model to the end of the collection.
+ push: function(model, options) {
+ model = this._prepareModel(model, options);
+ this.add(model, _.extend({at: this.length}, options));
+ return model;
+ },
+
+ // Remove a model from the end of the collection.
+ pop: function(options) {
+ var model = this.at(this.length - 1);
+ this.remove(model, options);
+ return model;
+ },
+
+ // Add a model to the beginning of the collection.
+ unshift: function(model, options) {
+ model = this._prepareModel(model, options);
+ this.add(model, _.extend({at: 0}, options));
+ return model;
+ },
+
+ // Remove a model from the beginning of the collection.
+ shift: function(options) {
+ var model = this.at(0);
+ this.remove(model, options);
+ return model;
+ },
+
+ // Slice out a sub-array of models from the collection.
+ slice: function(begin, end) {
+ return this.models.slice(begin, end);
+ },
+
+ // Get a model from the set by id.
+ get: function(obj) {
+ if (obj == null) return void 0;
+ return this._byId[obj.id != null ? obj.id : obj.cid || obj];
+ },
+
+ // Get the model at the given index.
+ at: function(index) {
+ return this.models[index];
+ },
+
+ // Return models with matching attributes. Useful for simple cases of
+ // `filter`.
+ where: function(attrs, first) {
+ if (_.isEmpty(attrs)) return first ? void 0 : [];
+ return this[first ? 'find' : 'filter'](function(model) {
+ for (var key in attrs) {
+ if (attrs[key] !== model.get(key)) return false;
+ }
+ return true;
+ });
+ },
+
+ // Return the first model with matching attributes. Useful for simple cases
+ // of `find`.
+ findWhere: function(attrs) {
+ return this.where(attrs, true);
+ },
+
+ // Force the collection to re-sort itself. You don't need to call this under
+ // normal circumstances, as the set will maintain sort order as each item
+ // is added.
+ sort: function(options) {
+ if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
+ options || (options = {});
+
+ // Run sort based on type of `comparator`.
+ if (_.isString(this.comparator) || this.comparator.length === 1) {
+ this.models = this.sortBy(this.comparator, this);
+ } else {
+ this.models.sort(_.bind(this.comparator, this));
+ }
+
+ if (!options.silent) this.trigger('sort', this, options);
+ return this;
+ },
+
+ // Figure out the smallest index at which a model should be inserted so as
+ // to maintain order.
+ sortedIndex: function(model, value, context) {
+ value || (value = this.comparator);
+ var iterator = _.isFunction(value) ? value : function(model) {
+ return model.get(value);
+ };
+ return _.sortedIndex(this.models, model, iterator, context);
+ },
+
+ // Pluck an attribute from each model in the collection.
+ pluck: function(attr) {
+ return _.invoke(this.models, 'get', attr);
+ },
+
+ // Fetch the default set of models for this collection, resetting the
+ // collection when they arrive. If `reset: true` is passed, the response
+ // data will be passed through the `reset` method instead of `set`.
+ fetch: function(options) {
+ options = options ? _.clone(options) : {};
+ if (options.parse === void 0) options.parse = true;
+ var success = options.success;
+ var collection = this;
+ options.success = function(resp) {
+ var method = options.reset ? 'reset' : 'set';
+ collection[method](resp, options);
+ if (success) success(collection, resp, options);
+ collection.trigger('sync', collection, resp, options);
+ };
+ wrapError(this, options);
+ return this.sync('read', this, options);
+ },
+
+ // Create a new instance of a model in this collection. Add the model to the
+ // collection immediately, unless `wait: true` is passed, in which case we
+ // wait for the server to agree.
+ create: function(model, options) {
+ options = options ? _.clone(options) : {};
+ if (!(model = this._prepareModel(model, options))) return false;
+ if (!options.wait) this.add(model, options);
+ var collection = this;
+ var success = options.success;
+ options.success = function(resp) {
+ if (options.wait) collection.add(model, options);
+ if (success) success(model, resp, options);
+ };
+ model.save(null, options);
+ return model;
+ },
+
+ // **parse** converts a response into a list of models to be added to the
+ // collection. The default implementation is just to pass it through.
+ parse: function(resp, options) {
+ return resp;
+ },
+
+ // Create a new collection with an identical list of models as this one.
+ clone: function() {
+ return new this.constructor(this.models);
+ },
+
+ // Private method to reset all internal state. Called when the collection
+ // is first initialized or reset.
+ _reset: function() {
+ this.length = 0;
+ this.models = [];
+ this._byId = {};
+ },
+
+ // Prepare a hash of attributes (or other model) to be added to this
+ // collection.
+ _prepareModel: function(attrs, options) {
+ if (attrs instanceof Model) {
+ if (!attrs.collection) attrs.collection = this;
+ return attrs;
+ }
+ options || (options = {});
+ options.collection = this;
+ var model = new this.model(attrs, options);
+ if (!model._validate(attrs, options)) {
+ this.trigger('invalid', this, attrs, options);
+ return false;
+ }
+ return model;
+ },
+
+ // Internal method to sever a model's ties to a collection.
+ _removeReference: function(model) {
+ if (this === model.collection) delete model.collection;
+ model.off('all', this._onModelEvent, this);
+ },
+
+ // Internal method called every time a model in the set fires an event.
+ // Sets need to update their indexes when models change ids. All other
+ // events simply proxy through. "add" and "remove" events that originate
+ // in other collections are ignored.
+ _onModelEvent: function(event, model, collection, options) {
+ if ((event === 'add' || event === 'remove') && collection !== this) return;
+ if (event === 'destroy') this.remove(model, options);
+ if (model && event === 'change:' + model.idAttribute) {
+ delete this._byId[model.previous(model.idAttribute)];
+ if (model.id != null) this._byId[model.id] = model;
+ }
+ this.trigger.apply(this, arguments);
+ }
+
+ });
+
+ // Underscore methods that we want to implement on the Collection.
+ // 90% of the core usefulness of Backbone Collections is actually implemented
+ // right here:
+ var methods = ['forEach', 'each', 'map', 'collect', 'reduce', 'foldl',
+ 'inject', 'reduceRight', 'foldr', 'find', 'detect', 'filter', 'select',
+ 'reject', 'every', 'all', 'some', 'any', 'include', 'contains', 'invoke',
+ 'max', 'min', 'toArray', 'size', 'first', 'head', 'take', 'initial', 'rest',
+ 'tail', 'drop', 'last', 'without', 'indexOf', 'shuffle', 'lastIndexOf',
+ 'isEmpty', 'chain'];
+
+ // Mix in each Underscore method as a proxy to `Collection#models`.
+ _.each(methods, function(method) {
+ Collection.prototype[method] = function() {
+ var args = slice.call(arguments);
+ args.unshift(this.models);
+ return _[method].apply(_, args);
+ };
+ });
+
+ // Underscore methods that take a property name as an argument.
+ var attributeMethods = ['groupBy', 'countBy', 'sortBy'];
+
+ // Use attributes instead of properties.
+ _.each(attributeMethods, function(method) {
+ Collection.prototype[method] = function(value, context) {
+ var iterator = _.isFunction(value) ? value : function(model) {
+ return model.get(value);
+ };
+ return _[method](this.models, iterator, context);
+ };
+ });
+
+ // Backbone.View
+ // -------------
+
+ // Backbone Views are almost more convention than they are actual code. A View
+ // is simply a JavaScript object that represents a logical chunk of UI in the
+ // DOM. This might be a single item, an entire list, a sidebar or panel, or
+ // even the surrounding frame which wraps your whole app. Defining a chunk of
+ // UI as a **View** allows you to define your DOM events declaratively, without
+ // having to worry about render order ... and makes it easy for the view to
+ // react to specific changes in the state of your models.
+
+ // Creating a Backbone.View creates its initial element outside of the DOM,
+ // if an existing element is not provided...
+ var View = Backbone.View = function(options) {
+ this.cid = _.uniqueId('view');
+ this._configure(options || {});
+ this._ensureElement();
+ this.initialize.apply(this, arguments);
+ this.delegateEvents();
+ };
+
+ // Cached regex to split keys for `delegate`.
+ var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+
+ // List of view options to be merged as properties.
+ var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
+
+ // Set up all inheritable **Backbone.View** properties and methods.
+ _.extend(View.prototype, Events, {
+
+ // The default `tagName` of a View's element is `"div"`.
+ tagName: 'div',
+
+ // jQuery delegate for element lookup, scoped to DOM elements within the
+ // current view. This should be prefered to global lookups where possible.
+ $: function(selector) {
+ return this.$el.find(selector);
+ },
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // **render** is the core function that your view should override, in order
+ // to populate its element (`this.el`), with the appropriate HTML. The
+ // convention is for **render** to always return `this`.
+ render: function() {
+ return this;
+ },
+
+ // Remove this view by taking the element out of the DOM, and removing any
+ // applicable Backbone.Events listeners.
+ remove: function() {
+ this.$el.remove();
+ this.stopListening();
+ return this;
+ },
+
+ // Change the view's element (`this.el` property), including event
+ // re-delegation.
+ setElement: function(element, delegate) {
+ if (this.$el) this.undelegateEvents();
+ this.$el = element instanceof Backbone.$ ? element : Backbone.$(element);
+ this.el = this.$el[0];
+ if (delegate !== false) this.delegateEvents();
+ return this;
+ },
+
+ // Set callbacks, where `this.events` is a hash of
+ //
+ // *{"event selector": "callback"}*
+ //
+ // {
+ // 'mousedown .title': 'edit',
+ // 'click .button': 'save'
+ // 'click .open': function(e) { ... }
+ // }
+ //
+ // pairs. Callbacks will be bound to the view, with `this` set properly.
+ // Uses event delegation for efficiency.
+ // Omitting the selector binds the event to `this.el`.
+ // This only works for delegate-able events: not `focus`, `blur`, and
+ // not `change`, `submit`, and `reset` in Internet Explorer.
+ delegateEvents: function(events) {
+ if (!(events || (events = _.result(this, 'events')))) return this;
+ this.undelegateEvents();
+ for (var key in events) {
+ var method = events[key];
+ if (!_.isFunction(method)) method = this[events[key]];
+ if (!method) continue;
+
+ var match = key.match(delegateEventSplitter);
+ var eventName = match[1], selector = match[2];
+ method = _.bind(method, this);
+ eventName += '.delegateEvents' + this.cid;
+ if (selector === '') {
+ this.$el.on(eventName, method);
+ } else {
+ this.$el.on(eventName, selector, method);
+ }
+ }
+ return this;
+ },
+
+ // Clears all callbacks previously bound to the view with `delegateEvents`.
+ // You usually don't need to use this, but may wish to if you have multiple
+ // Backbone views attached to the same DOM element.
+ undelegateEvents: function() {
+ this.$el.off('.delegateEvents' + this.cid);
+ return this;
+ },
+
+ // Performs the initial configuration of a View with a set of options.
+ // Keys with special meaning *(e.g. model, collection, id, className)* are
+ // attached directly to the view. See `viewOptions` for an exhaustive
+ // list.
+ _configure: function(options) {
+ if (this.options) options = _.extend({}, _.result(this, 'options'), options);
+ _.extend(this, _.pick(options, viewOptions));
+ this.options = options;
+ },
+
+ // Ensure that the View has a DOM element to render into.
+ // If `this.el` is a string, pass it through `$()`, take the first
+ // matching element, and re-assign it to `el`. Otherwise, create
+ // an element from the `id`, `className` and `tagName` properties.
+ _ensureElement: function() {
+ if (!this.el) {
+ var attrs = _.extend({}, _.result(this, 'attributes'));
+ if (this.id) attrs.id = _.result(this, 'id');
+ if (this.className) attrs['class'] = _.result(this, 'className');
+ var $el = Backbone.$('<' + _.result(this, 'tagName') + '>').attr(attrs);
+ this.setElement($el, false);
+ } else {
+ this.setElement(_.result(this, 'el'), false);
+ }
+ }
+
+ });
+
+ // Backbone.sync
+ // -------------
+
+ // Override this function to change the manner in which Backbone persists
+ // models to the server. You will be passed the type of request, and the
+ // model in question. By default, makes a RESTful Ajax request
+ // to the model's `url()`. Some possible customizations could be:
+ //
+ // * Use `setTimeout` to batch rapid-fire updates into a single request.
+ // * Send up the models as XML instead of JSON.
+ // * Persist models via WebSockets instead of Ajax.
+ //
+ // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
+ // as `POST`, with a `_method` parameter containing the true HTTP method,
+ // as well as all requests with the body as `application/x-www-form-urlencoded`
+ // instead of `application/json` with the model in a param named `model`.
+ // Useful when interfacing with server-side languages like **PHP** that make
+ // it difficult to read the body of `PUT` requests.
+ Backbone.sync = function(method, model, options) {
+ var type = methodMap[method];
+
+ // Default options, unless specified.
+ _.defaults(options || (options = {}), {
+ emulateHTTP: Backbone.emulateHTTP,
+ emulateJSON: Backbone.emulateJSON
+ });
+
+ // Default JSON-request options.
+ var params = {type: type, dataType: 'json'};
+
+ // Ensure that we have a URL.
+ if (!options.url) {
+ params.url = _.result(model, 'url') || urlError();
+ }
+
+ // Ensure that we have the appropriate request data.
+ if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
+ params.contentType = 'application/json';
+ params.data = JSON.stringify(options.attrs || model.toJSON(options));
+ }
+
+ // For older servers, emulate JSON by encoding the request into an HTML-form.
+ if (options.emulateJSON) {
+ params.contentType = 'application/x-www-form-urlencoded';
+ params.data = params.data ? {model: params.data} : {};
+ }
+
+ // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
+ // And an `X-HTTP-Method-Override` header.
+ if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
+ params.type = 'POST';
+ if (options.emulateJSON) params.data._method = type;
+ var beforeSend = options.beforeSend;
+ options.beforeSend = function(xhr) {
+ xhr.setRequestHeader('X-HTTP-Method-Override', type);
+ if (beforeSend) return beforeSend.apply(this, arguments);
+ };
+ }
+
+ // Don't process data on a non-GET request.
+ if (params.type !== 'GET' && !options.emulateJSON) {
+ params.processData = false;
+ }
+
+ // If we're sending a `PATCH` request, and we're in an old Internet Explorer
+ // that still has ActiveX enabled by default, override jQuery to use that
+ // for XHR instead. Remove this line when jQuery supports `PATCH` on IE8.
+ if (params.type === 'PATCH' && window.ActiveXObject &&
+ !(window.external && window.external.msActiveXFilteringEnabled)) {
+ params.xhr = function() {
+ return new ActiveXObject("Microsoft.XMLHTTP");
+ };
+ }
+
+ // Make the request, allowing the user to override any Ajax options.
+ var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
+ model.trigger('request', model, xhr, options);
+ return xhr;
+ };
+
+ // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+ var methodMap = {
+ 'create': 'POST',
+ 'update': 'PUT',
+ 'patch': 'PATCH',
+ 'delete': 'DELETE',
+ 'read': 'GET'
+ };
+
+ // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
+ // Override this if you'd like to use a different library.
+ Backbone.ajax = function() {
+ return Backbone.$.ajax.apply(Backbone.$, arguments);
+ };
+
+ // Backbone.Router
+ // ---------------
+
+ // Routers map faux-URLs to actions, and fire events when routes are
+ // matched. Creating a new one sets its `routes` hash, if not set statically.
+ var Router = Backbone.Router = function(options) {
+ options || (options = {});
+ if (options.routes) this.routes = options.routes;
+ this._bindRoutes();
+ this.initialize.apply(this, arguments);
+ };
+
+ // Cached regular expressions for matching named param parts and splatted
+ // parts of route strings.
+ var optionalParam = /\((.*?)\)/g;
+ var namedParam = /(\(\?)?:\w+/g;
+ var splatParam = /\*\w+/g;
+ var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
+
+ // Set up all inheritable **Backbone.Router** properties and methods.
+ _.extend(Router.prototype, Events, {
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // Manually bind a single named route to a callback. For example:
+ //
+ // this.route('search/:query/p:num', 'search', function(query, num) {
+ // ...
+ // });
+ //
+ route: function(route, name, callback) {
+ if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+ if (_.isFunction(name)) {
+ callback = name;
+ name = '';
+ }
+ if (!callback) callback = this[name];
+ var router = this;
+ Backbone.history.route(route, function(fragment) {
+ var args = router._extractParameters(route, fragment);
+ callback && callback.apply(router, args);
+ router.trigger.apply(router, ['route:' + name].concat(args));
+ router.trigger('route', name, args);
+ Backbone.history.trigger('route', router, name, args);
+ });
+ return this;
+ },
+
+ // Simple proxy to `Backbone.history` to save a fragment into the history.
+ navigate: function(fragment, options) {
+ Backbone.history.navigate(fragment, options);
+ return this;
+ },
+
+ // Bind all defined routes to `Backbone.history`. We have to reverse the
+ // order of the routes here to support behavior where the most general
+ // routes can be defined at the bottom of the route map.
+ _bindRoutes: function() {
+ if (!this.routes) return;
+ this.routes = _.result(this, 'routes');
+ var route, routes = _.keys(this.routes);
+ while ((route = routes.pop()) != null) {
+ this.route(route, this.routes[route]);
+ }
+ },
+
+ // Convert a route string into a regular expression, suitable for matching
+ // against the current location hash.
+ _routeToRegExp: function(route) {
+ route = route.replace(escapeRegExp, '\\$&')
+ .replace(optionalParam, '(?:$1)?')
+ .replace(namedParam, function(match, optional){
+ return optional ? match : '([^\/]+)';
+ })
+ .replace(splatParam, '(.*?)');
+ return new RegExp('^' + route + '$');
+ },
+
+ // Given a route, and a URL fragment that it matches, return the array of
+ // extracted decoded parameters. Empty or unmatched parameters will be
+ // treated as `null` to normalize cross-browser behavior.
+ _extractParameters: function(route, fragment) {
+ var params = route.exec(fragment).slice(1);
+ return _.map(params, function(param) {
+ return param ? decodeURIComponent(param) : null;
+ });
+ }
+
+ });
+
+ // Backbone.History
+ // ----------------
+
+ // Handles cross-browser history management, based on either
+ // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
+ // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
+ // and URL fragments. If the browser supports neither (old IE, natch),
+ // falls back to polling.
+ var History = Backbone.History = function() {
+ this.handlers = [];
+ _.bindAll(this, 'checkUrl');
+
+ // Ensure that `History` can be used outside of the browser.
+ if (typeof window !== 'undefined') {
+ this.location = window.location;
+ this.history = window.history;
+ }
+ };
+
+ // Cached regex for stripping a leading hash/slash and trailing space.
+ var routeStripper = /^[#\/]|\s+$/g;
+
+ // Cached regex for stripping leading and trailing slashes.
+ var rootStripper = /^\/+|\/+$/g;
+
+ // Cached regex for detecting MSIE.
+ var isExplorer = /msie [\w.]+/;
+
+ // Cached regex for removing a trailing slash.
+ var trailingSlash = /\/$/;
+
+ // Has the history handling already been started?
+ History.started = false;
+
+ // Set up all inheritable **Backbone.History** properties and methods.
+ _.extend(History.prototype, Events, {
+
+ // The default interval to poll for hash changes, if necessary, is
+ // twenty times a second.
+ interval: 50,
+
+ // Gets the true hash value. Cannot use location.hash directly due to bug
+ // in Firefox where location.hash will always be decoded.
+ getHash: function(window) {
+ var match = (window || this).location.href.match(/#(.*)$/);
+ return match ? match[1] : '';
+ },
+
+ // Get the cross-browser normalized URL fragment, either from the URL,
+ // the hash, or the override.
+ getFragment: function(fragment, forcePushState) {
+ if (fragment == null) {
+ if (this._hasPushState || !this._wantsHashChange || forcePushState) {
+ fragment = this.location.pathname;
+ var root = this.root.replace(trailingSlash, '');
+ if (!fragment.indexOf(root)) fragment = fragment.substr(root.length);
+ } else {
+ fragment = this.getHash();
+ }
+ }
+ return fragment.replace(routeStripper, '');
+ },
+
+ // Start the hash change handling, returning `true` if the current URL matches
+ // an existing route, and `false` otherwise.
+ start: function(options) {
+ if (History.started) throw new Error("Backbone.history has already been started");
+ History.started = true;
+
+ // Figure out the initial configuration. Do we need an iframe?
+ // Is pushState desired ... is it available?
+ this.options = _.extend({}, {root: '/'}, this.options, options);
+ this.root = this.options.root;
+ this._wantsHashChange = this.options.hashChange !== false;
+ this._wantsPushState = !!this.options.pushState;
+ this._hasPushState = !!(this.options.pushState && this.history && this.history.pushState);
+ var fragment = this.getFragment();
+ var docMode = document.documentMode;
+ var oldIE = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
+
+ // Normalize root to always include a leading and trailing slash.
+ this.root = ('/' + this.root + '/').replace(rootStripper, '/');
+
+ if (oldIE && this._wantsHashChange) {
+ this.iframe = Backbone.$('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
+ this.navigate(fragment);
+ }
+
+ // Depending on whether we're using pushState or hashes, and whether
+ // 'onhashchange' is supported, determine how we check the URL state.
+ if (this._hasPushState) {
+ Backbone.$(window).on('popstate', this.checkUrl);
+ } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
+ Backbone.$(window).on('hashchange', this.checkUrl);
+ } else if (this._wantsHashChange) {
+ this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+ }
+
+ // Determine if we need to change the base url, for a pushState link
+ // opened by a non-pushState browser.
+ this.fragment = fragment;
+ var loc = this.location;
+ var atRoot = loc.pathname.replace(/[^\/]$/, '$&/') === this.root;
+
+ // If we've started off with a route from a `pushState`-enabled browser,
+ // but we're currently in a browser that doesn't support it...
+ if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
+ this.fragment = this.getFragment(null, true);
+ this.location.replace(this.root + this.location.search + '#' + this.fragment);
+ // Return immediately as browser will do redirect to new url
+ return true;
+
+ // Or if we've started out with a hash-based route, but we're currently
+ // in a browser where it could be `pushState`-based instead...
+ } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
+ this.fragment = this.getHash().replace(routeStripper, '');
+ this.history.replaceState({}, document.title, this.root + this.fragment + loc.search);
+ }
+
+ if (!this.options.silent) return this.loadUrl();
+ },
+
+ // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
+ // but possibly useful for unit testing Routers.
+ stop: function() {
+ Backbone.$(window).off('popstate', this.checkUrl).off('hashchange', this.checkUrl);
+ clearInterval(this._checkUrlInterval);
+ History.started = false;
+ },
+
+ // Add a route to be tested when the fragment changes. Routes added later
+ // may override previous routes.
+ route: function(route, callback) {
+ this.handlers.unshift({route: route, callback: callback});
+ },
+
+ // Checks the current URL to see if it has changed, and if it has,
+ // calls `loadUrl`, normalizing across the hidden iframe.
+ checkUrl: function(e) {
+ var current = this.getFragment();
+ if (current === this.fragment && this.iframe) {
+ current = this.getFragment(this.getHash(this.iframe));
+ }
+ if (current === this.fragment) return false;
+ if (this.iframe) this.navigate(current);
+ this.loadUrl() || this.loadUrl(this.getHash());
+ },
+
+ // Attempt to load the current URL fragment. If a route succeeds with a
+ // match, returns `true`. If no defined routes matches the fragment,
+ // returns `false`.
+ loadUrl: function(fragmentOverride) {
+ var fragment = this.fragment = this.getFragment(fragmentOverride);
+ var matched = _.any(this.handlers, function(handler) {
+ if (handler.route.test(fragment)) {
+ handler.callback(fragment);
+ return true;
+ }
+ });
+ return matched;
+ },
+
+ // Save a fragment into the hash history, or replace the URL state if the
+ // 'replace' option is passed. You are responsible for properly URL-encoding
+ // the fragment in advance.
+ //
+ // The options object can contain `trigger: true` if you wish to have the
+ // route callback be fired (not usually desirable), or `replace: true`, if
+ // you wish to modify the current URL without adding an entry to the history.
+ navigate: function(fragment, options) {
+ if (!History.started) return false;
+ if (!options || options === true) options = {trigger: options};
+ fragment = this.getFragment(fragment || '');
+ if (this.fragment === fragment) return;
+ this.fragment = fragment;
+ var url = this.root + fragment;
+
+ // If pushState is available, we use it to set the fragment as a real URL.
+ if (this._hasPushState) {
+ this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
+
+ // If hash changes haven't been explicitly disabled, update the hash
+ // fragment to store history.
+ } else if (this._wantsHashChange) {
+ this._updateHash(this.location, fragment, options.replace);
+ if (this.iframe && (fragment !== this.getFragment(this.getHash(this.iframe)))) {
+ // Opening and closing the iframe tricks IE7 and earlier to push a
+ // history entry on hash-tag change. When replace is true, we don't
+ // want this.
+ if(!options.replace) this.iframe.document.open().close();
+ this._updateHash(this.iframe.location, fragment, options.replace);
+ }
+
+ // If you've told us that you explicitly don't want fallback hashchange-
+ // based history, then `navigate` becomes a page refresh.
+ } else {
+ return this.location.assign(url);
+ }
+ if (options.trigger) this.loadUrl(fragment);
+ },
+
+ // Update the hash location, either replacing the current entry, or adding
+ // a new one to the browser history.
+ _updateHash: function(location, fragment, replace) {
+ if (replace) {
+ var href = location.href.replace(/(javascript:|#).*$/, '');
+ location.replace(href + '#' + fragment);
+ } else {
+ // Some browsers require that `hash` contains a leading #.
+ location.hash = '#' + fragment;
+ }
+ }
+
+ });
+
+ // Create the default Backbone.history.
+ Backbone.history = new History;
+
+ // Helpers
+ // -------
+
+ // Helper function to correctly set up the prototype chain, for subclasses.
+ // Similar to `goog.inherits`, but uses a hash of prototype properties and
+ // class properties to be extended.
+ var extend = function(protoProps, staticProps) {
+ var parent = this;
+ var child;
+
+ // The constructor function for the new subclass is either defined by you
+ // (the "constructor" property in your `extend` definition), or defaulted
+ // by us to simply call the parent's constructor.
+ if (protoProps && _.has(protoProps, 'constructor')) {
+ child = protoProps.constructor;
+ } else {
+ child = function(){ return parent.apply(this, arguments); };
+ }
+
+ // Add static properties to the constructor function, if supplied.
+ _.extend(child, parent, staticProps);
+
+ // Set the prototype chain to inherit from `parent`, without calling
+ // `parent`'s constructor function.
+ var Surrogate = function(){ this.constructor = child; };
+ Surrogate.prototype = parent.prototype;
+ child.prototype = new Surrogate;
+
+ // Add prototype properties (instance properties) to the subclass,
+ // if supplied.
+ if (protoProps) _.extend(child.prototype, protoProps);
+
+ // Set a convenience property in case the parent's prototype is needed
+ // later.
+ child.__super__ = parent.prototype;
+
+ return child;
+ };
+
+ // Set up inheritance for the model, collection, router, view and history.
+ Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
+
+ // Throw an error when a URL is needed, and none is supplied.
+ var urlError = function() {
+ throw new Error('A "url" property or function must be specified');
+ };
+
+ // Wrap an optional error callback with a fallback error event.
+ var wrapError = function (model, options) {
+ var error = options.error;
+ options.error = function(resp) {
+ if (error) error(model, resp, options);
+ model.trigger('error', model, resp, options);
+ };
+ };
+
+}).call(this);
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8 app/libs/coffee-script.js
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160 app/libs/cs.js
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+/**
+ * @license cs 0.4.2 Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/require-cs for details
+ */
+
+/*jslint */
+/*global define, window, XMLHttpRequest, importScripts, Packages, java,
+ ActiveXObject, process, require */
+
+define(['coffee-script'], function (CoffeeScript) {
+ 'use strict';
+ var fs, getXhr,
+ progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'],
+ fetchText = function () {
+ throw new Error('Environment unsupported.');
+ },
+ buildMap = {};
+
+ if (typeof process !== "undefined" &&
+ process.versions &&
+ !!process.versions.node) {
+ //Using special require.nodeRequire, something added by r.js.
+ fs = require.nodeRequire('fs');
+ fetchText = function (path, callback) {
+ callback(fs.readFileSync(path, 'utf8'));
+ };
+ } else if ((typeof window !== "undefined" && window.navigator && window.document) || typeof importScripts !== "undefined") {
+ // Browser action
+ getXhr = function () {
+ //Would love to dump the ActiveX crap in here. Need IE 6 to die first.
+ var xhr, i, progId;
+ if (typeof XMLHttpRequest !== "undefined") {
+ return new XMLHttpRequest();
+ } else {
+ for (i = 0; i < 3; i++) {
+ progId = progIds[i];
+ try {
+ xhr = new ActiveXObject(progId);
+ } catch (e) {}
+
+ if (xhr) {
+ progIds = [progId]; // so faster next time
+ break;
+ }
+ }
+ }
+
+ if (!xhr) {
+ throw new Error("getXhr(): XMLHttpRequest not available");
+ }
+
+ return xhr;
+ };
+
+ fetchText = function (url, callback) {
+ var xhr = getXhr();
+ xhr.open('GET', url, true);
+ xhr.onreadystatechange = function (evt) {
+ //Do not explicitly handle errors, those should be
+ //visible via console output in the browser.
+ if (xhr.readyState === 4) {
+ callback(xhr.responseText);
+ }
+ };
+ xhr.send(null);
+ };
+ // end browser.js adapters
+ } else if (typeof Packages !== 'undefined') {
+ //Why Java, why is this so awkward?
+ fetchText = function (path, callback) {
+ var encoding = "utf-8",
+ file = new java.io.File(path),
+ lineSeparator = java.lang.System.getProperty("line.separator"),
+ input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(file), encoding)),
+ stringBuffer, line,
+ content = '';
+ try {
+ stringBuffer = new java.lang.StringBuffer();
+ line = input.readLine();
+
+ // Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324
+ // http://www.unicode.org/faq/utf_bom.html
+
+ // Note that when we use utf-8, the BOM should appear as "EF BB BF", but it doesn't due to this bug in the JDK:
+ // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058
+ if (line && line.length() && line.charAt(0) === 0xfeff) {
+ // Eat the BOM, since we've already found the encoding on this file,
+ // and we plan to concatenating this buffer with others; the BOM should
+ // only appear at the top of a file.
+ line = line.substring(1);
+ }
+
+ stringBuffer.append(line);
+
+ while ((line = input.readLine()) !== null) {
+ stringBuffer.append(lineSeparator);
+ stringBuffer.append(line);
+ }
+ //Make sure we return a JavaScript string and not a Java string.
+ content = String(stringBuffer.toString()); //String
+ } finally {
+ input.close();
+ }
+ callback(content);
+ };
+ }
+
+ return {
+ get: function () {
+ return CoffeeScript;
+ },
+
+ write: function (pluginName, name, write) {
+ if (buildMap.hasOwnProperty(name)) {
+ var text = buildMap[name];
+ write.asModule(pluginName + "!" + name, text);
+ }
+ },
+
+ version: '0.4.2',
+
+ load: function (name, parentRequire, load, config) {
+ var path = parentRequire.toUrl(name + '.coffee');
+ fetchText(path, function (text) {
+
+ //Do CoffeeScript transform.
+ try {
+ text = CoffeeScript.compile(text, config.CoffeeScript);
+ }
+ catch (err) {
+ err.message = "In " + path + ", " + err.message;
+ throw(err);
+ }
+
+ //Hold on to the transformed text if a build.
+ if (config.isBuild) {
+ buildMap[name] = text;
+ }
+
+ //IE with conditional comments on cannot handle the
+ //sourceURL trick, so skip it if enabled.
+ /*@if (@_jscript) @else @*/
+ if (!config.isBuild) {
+ text += "\r\n//@ sourceURL=" + path;
+ }
+ /*@end@*/
+
+ load.fromText(name, text);
+
+ //Give result to load. Need to wait until the module
+ //is fully parse, which will happen after this
+ //execution.
+ parentRequire([name], function (value) {
+ load(value);
+ });
+ });
+ }
+ };
+});
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9,789 app/libs/jquery-1.10.2.js
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57 app/libs/json.js
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+/** @license
+ * RequireJS plugin for loading JSON files
+ * - depends on Text plugin and it was HEAVILY "inspired" by it as well.
+ * Author: Miller Medeiros
+ * Version: 0.2.1 (2012/04/17)
+ * Released under the MIT license
+ */
+define(['text'], function(text){
+
+ var CACHE_BUST_QUERY_PARAM = 'bust',
+ CACHE_BUST_FLAG = '!bust',
+ jsonParse = (typeof JSON !== 'undefined' && typeof JSON.parse === 'function')? JSON.parse : function(val){
+ return eval('('+ val +')'); //quick and dirty
+ },
+ buildMap = {};
+
+ function cacheBust(url){
+ url = url.replace(CACHE_BUST_FLAG, '');
+ url += (url.indexOf('?') < 0)? '?' : '&';
+ return url + CACHE_BUST_QUERY_PARAM +'='+ Math.round(2147483647 * Math.random());
+ }
+
+ //API
+ return {
+
+ load : function(name, req, onLoad, config) {
+ if ( config.isBuild && (config.inlineJSON === false || name.indexOf(CACHE_BUST_QUERY_PARAM +'=') !== -1) ) {
+ //avoid inlining cache busted JSON or if inlineJSON:false
+ onLoad(null);
+ } else {
+ text.get(req.toUrl(name), function(data){
+ if (config.isBuild) {
+ buildMap[name] = data;
+ onLoad(data);
+ } else {
+ onLoad(jsonParse(data));
+ }
+ });
+ }
+ },
+
+ normalize : function (name, normalize) {
+ //used normalize to avoid caching references to a "cache busted" request
+ return (name.indexOf(CACHE_BUST_FLAG) === -1)? name : cacheBust(name);
+ },
+
+ //write method based on RequireJS official text plugin by James Burke
+ //https://github.com/jrburke/requirejs/blob/master/text.js
+ write : function(pluginName, moduleName, write){
+ if(moduleName in buildMap){
+ var content = buildMap[moduleName];
+ write('define("'+ pluginName +'!'+ moduleName +'", function(){ return '+ content +';});\n');
+ }
+ }
+
+ };
+});
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1,981 app/libs/require.js
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+/** vim: et:ts=4:sw=4:sts=4
+ * @license RequireJS 2.1.1 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+//Not using strict: uneven strict support in browsers, #392, and causes
+//problems with requirejs.exec()/transpiler plugins that may not be strict.
+/*jslint regexp: true, nomen: true, sloppy: true */
+/*global window, navigator, document, importScripts, jQuery, setTimeout, opera */
+
+var requirejs, require, define;
+(function (global) {
+ var req, s, head, baseElement, dataMain, src,
+ interactiveScript, currentlyAddingScript, mainScript, subPath,
+ version = '2.1.1',
+ commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
+ cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
+ jsSuffixRegExp = /\.js$/,
+ currDirRegExp = /^\.\//,
+ op = Object.prototype,
+ ostring = op.toString,
+ hasOwn = op.hasOwnProperty,
+ ap = Array.prototype,
+ aps = ap.slice,
+ apsp = ap.splice,
+ isBrowser = !!(typeof window !== 'undefined' && navigator && document),
+ isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
+ //PS3 indicates loaded and complete, but need to wait for complete
+ //specifically. Sequence is 'loading', 'loaded', execution,
+ // then 'complete'. The UA check is unfortunate, but not sure how
+ //to feature test w/o causing perf issues.
+ readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ?
+ /^complete$/ : /^(complete|loaded)$/,
+ defContextName = '_',
+ //Oh the tragedy, detecting opera. See the usage of isOpera for reason.
+ isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]',
+ contexts = {},
+ cfg = {},
+ globalDefQueue = [],
+ useInteractive = false;
+
+ function isFunction(it) {
+ return ostring.call(it) === '[object Function]';
+ }
+
+ function isArray(it) {
+ return ostring.call(it) === '[object Array]';
+ }
+
+ /**
+ * Helper function for iterating over an array. If the func returns
+ * a true value, it will break out of the loop.
+ */
+ function each(ary, func) {
+ if (ary) {
+ var i;
+ for (i = 0; i < ary.length; i += 1) {
+ if (ary[i] && func(ary[i], i, ary)) {
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * Helper function for iterating over an array backwards. If the func
+ * returns a true value, it will break out of the loop.
+ */
+ function eachReverse(ary, func) {
+ if (ary) {
+ var i;
+ for (i = ary.length - 1; i > -1; i -= 1) {
+ if (ary[i] && func(ary[i], i, ary)) {
+ break;
+ }
+ }
+ }
+ }
+
+ function hasProp(obj, prop) {
+ return hasOwn.call(obj, prop);
+ }
+
+ /**
+ * Cycles over properties in an object and calls a function for each
+ * property value. If the function returns a truthy value, then the
+ * iteration is stopped.
+ */
+ function eachProp(obj, func) {
+ var prop;
+ for (prop in obj) {
+ if (obj.hasOwnProperty(prop)) {
+ if (func(obj[prop], prop)) {
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * Simple function to mix in properties from source into target,
+ * but only if target does not already have a property of the same name.
+ */
+ function mixin(target, source, force, deepStringMixin) {
+ if (source) {
+ eachProp(source, function (value, prop) {
+ if (force || !hasProp(target, prop)) {
+ if (deepStringMixin && typeof value !== 'string') {
+ if (!target[prop]) {
+ target[prop] = {};
+ }
+ mixin(target[prop], value, force, deepStringMixin);
+ } else {
+ target[prop] = value;
+ }
+ }
+ });
+ }
+ return target;
+ }
+
+ //Similar to Function.prototype.bind, but the 'this' object is specified
+ //first, since it is easier to read/figure out what 'this' will be.
+ function bind(obj, fn) {
+ return function () {
+ return fn.apply(obj, arguments);
+ };
+ }
+
+ function scripts() {
+ return document.getElementsByTagName('script');
+ }
+
+ //Allow getting a global that expressed in
+ //dot notation, like 'a.b.c'.
+ function getGlobal(value) {
+ if (!value) {
+ return value;
+ }
+ var g = global;
+ each(value.split('.'), function (part) {
+ g = g[part];
+ });
+ return g;
+ }
+
+ /**
+ * Constructs an error with a pointer to an URL with more information.
+ * @param {String} id the error ID that maps to an ID on a web page.
+ * @param {String} message human readable error.
+ * @param {Error} [err] the original error, if there is one.
+ *
+ * @returns {Error}
+ */
+ function makeError(id, msg, err, requireModules) {
+ var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
+ e.requireType = id;
+ e.requireModules = requireModules;
+ if (err) {
+ e.originalError = err;
+ }
+ return e;
+ }
+
+ if (typeof define !== 'undefined') {
+ //If a define is already in play via another AMD loader,
+ //do not overwrite.
+ return;
+ }
+
+ if (typeof requirejs !== 'undefined') {
+ if (isFunction(requirejs)) {
+ //Do not overwrite and existing requirejs instance.
+ return;
+ }
+ cfg = requirejs;
+ requirejs = undefined;
+ }
+
+ //Allow for a require config object
+ if (typeof require !== 'undefined' && !isFunction(require)) {
+ //assume it is a config object.
+ cfg = require;
+ require = undefined;
+ }
+
+ function newContext(contextName) {
+ var inCheckLoaded, Module, context, handlers,
+ checkLoadedTimeoutId,
+ config = {
+ waitSeconds: 7,
+ baseUrl: './',
+ paths: {},
+ pkgs: {},
+ shim: {},
+ map: {},
+ config: {}
+ },
+ registry = {},
+ undefEvents = {},
+ defQueue = [],
+ defined = {},
+ urlFetched = {},
+ requireCounter = 1,
+ unnormalizedCounter = 1;
+
+ /**
+ * Trims the . and .. from an array of path segments.
+ * It will keep a leading path segment if a .. will become
+ * the first path segment, to help with module name lookups,
+ * which act like paths, but can be remapped. But the end result,
+ * all paths that use this function should look normalized.
+ * NOTE: this method MODIFIES the input array.
+ * @param {Array} ary the array of path segments.
+ */
+ function trimDots(ary) {
+ var i, part;
+ for (i = 0; ary[i]; i += 1) {
+ part = ary[i];
+ if (part === '.') {
+ ary.splice(i, 1);
+ i -= 1;
+ } else if (part === '..') {
+ if (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
+ //End of the line. Keep at least one non-dot
+ //path segment at the front so it can be mapped
+ //correctly to disk. Otherwise, there is likely
+ //no path mapping for a path starting with '..'.
+ //This can still fail, but catches the most reasonable
+ //uses of ..
+ break;
+ } else if (i > 0) {
+ ary.splice(i - 1, 2);
+ i -= 2;
+ }
+ }
+ }
+ }
+
+ /**
+ * Given a relative module name, like ./something, normalize it to
+ * a real name that can be mapped to a path.
+ * @param {String} name the relative name
+ * @param {String} baseName a real name that the name arg is relative
+ * to.
+ * @param {Boolean} applyMap apply the map config to the value. Should
+ * only be done if this normalization is for a dependency ID.
+ * @returns {String} normalized name
+ */
+ function normalize(name, baseName, applyMap) {
+ var pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment,
+ foundMap, foundI, foundStarMap, starI,
+ baseParts = baseName && baseName.split('/'),
+ normalizedBaseParts = baseParts,
+ map = config.map,
+ starMap = map && map['*'];
+
+ //Adjust any relative paths.
+ if (name && name.charAt(0) === '.') {
+ //If have a base name, try to normalize against it,
+ //otherwise, assume it is a top-level require that will
+ //be relative to baseUrl in the end.
+ if (baseName) {
+ if (config.pkgs[baseName]) {
+ //If the baseName is a package name, then just treat it as one
+ //name to concat the name with.
+ normalizedBaseParts = baseParts = [baseName];
+ } else {
+ //Convert baseName to array, and lop off the last part,
+ //so that . matches that 'directory' and not name of the baseName's
+ //module. For instance, baseName of 'one/two/three', maps to
+ //'one/two/three.js', but we want the directory, 'one/two' for
+ //this normalization.
+ normalizedBaseParts = baseParts.slice(0, baseParts.length - 1);
+ }
+
+ name = normalizedBaseParts.concat(name.split('/'));
+ trimDots(name);
+
+ //Some use of packages may use a . path to reference the
+ //'main' module name, so normalize for that.
+ pkgConfig = config.pkgs[(pkgName = name[0])];
+ name = name.join('/');
+ if (pkgConfig && name === pkgName + '/' + pkgConfig.main) {
+ name = pkgName;
+ }
+ } else if (name.indexOf('./') === 0) {
+ // No baseName, so this is ID is resolved relative
+ // to baseUrl, pull off the leading dot.
+ name = name.substring(2);
+ }
+ }
+
+ //Apply map config if available.
+ if (applyMap && (baseParts || starMap) && map) {
+ nameParts = name.split('/');
+
+ for (i = nameParts.length; i > 0; i -= 1) {
+ nameSegment = nameParts.slice(0, i).join('/');
+
+ if (baseParts) {
+ //Find the longest baseName segment match in the config.
+ //So, do joins on the biggest to smallest lengths of baseParts.
+ for (j = baseParts.length; j > 0; j -= 1) {
+ mapValue = map[baseParts.slice(0, j).join('/')];
+
+ //baseName segment has config, find if it has one for
+ //this name.
+ if (mapValue) {
+ mapValue = mapValue[nameSegment];
+ if (mapValue) {
+ //Match, update name to the new value.
+ foundMap = mapValue;
+ foundI = i;
+ break;
+ }
+ }
+ }
+ }
+
+ if (foundMap) {
+ break;
+ }
+
+ //Check for a star map match, but just hold on to it,
+ //if there is a shorter segment match later in a matching
+ //config, then favor over this star map.