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Commit 09b3004e authored by Sindre Sorhus's avatar Sindre Sorhus
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Merge pull request #745 from passy/bb11 

Backbone+RequireJS: Upgrade to Backbone 1.1
parents 74665360 b48fe667
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dependency-examples/backbone_require/bower.json
View file @ 09b3004e
......@@ -2,9 +2,9 @@
"name": "todomvc-backbone-requirejs",
"version": "0.0.0",
"dependencies": {
"backbone": "~0.9.10",
"underscore": "~1.4.4",
"jquery": "~1.9.1",
"backbone": "~1.1.0",
"underscore": "~1.5.0",
"jquery": "~2.0.0",
"todomvc-common": "~0.1.4",
"backbone.localStorage": "~1.1.0",
"requirejs": "~2.1.5",
......
dependency-examples/backbone_require/bower_components/backbone.localStorage/backbone.localStorage.js
View file @ 09b3004e
/**
* Backbone localStorage Adapter
* Version 1.1.0
* Version 1.1.7
*
* https://github.com/jeromegn/Backbone.localStorage
*/
(function (root, factory) {
if (typeof define === "function" && define.amd) {
if (typeof exports === 'object' && typeof require === 'function') {
module.exports = factory(require("underscore"), require("backbone"));
} else if (typeof define === "function" && define.amd) {
// AMD. Register as an anonymous module.
define(["underscore","backbone"], function(_, Backbone) {
// Use global variables if the locals is undefined.
// Use global variables if the locals are undefined.
return factory(_ || root._, Backbone || root.Backbone);
});
} else {
// RequireJS isn't being used. Assume underscore and backbone is loaded in <script> tags
// RequireJS isn't being used. Assume underscore and backbone are loaded in <script> tags
factory(_, Backbone);
}
}(this, function(_, Backbone) {
......@@ -37,6 +39,9 @@ function guid() {
// with a meaningful name, like the name you'd give a table.
// window.Store is deprectated, use Backbone.LocalStorage instead
Backbone.LocalStorage = window.Store = function(name) {
if( !this.localStorage ) {
throw "Backbone.localStorage: Environment does not support localStorage."
}
this.name = name;
var store = this.localStorage().getItem(this.name);
this.records = (store && store.split(",")) || [];
......@@ -77,7 +82,8 @@ _.extend(Backbone.LocalStorage.prototype, {
// Return the array of all models currently in storage.
findAll: function() {
return _(this.records).chain()
// Lodash removed _#chain in v1.0.0-rc.1
return (_.chain || _)(this.records)
.map(function(id){
return this.jsonData(this.localStorage().getItem(this.name+"-"+id));
}, this)
......@@ -104,17 +110,39 @@ _.extend(Backbone.LocalStorage.prototype, {
// fix for "illegal access" error on Android when JSON.parse is passed null
jsonData: function (data) {
return data && JSON.parse(data);
},
// Clear localStorage for specific collection.
_clear: function() {
var local = this.localStorage(),
itemRe = new RegExp("^" + this.name + "-");
// Remove id-tracking item (e.g., "foo").
local.removeItem(this.name);
// Lodash removed _#chain in v1.0.0-rc.1
// Match all data items (e.g., "foo-ID") and remove.
(_.chain || _)(local).keys()
.filter(function (k) { return itemRe.test(k); })
.each(function (k) { local.removeItem(k); });
this.records.length = 0;
},
// Size of localStorage.
_storageSize: function() {
return this.localStorage().length;
}
});
// localSync delegate to the model or collection's
// *localStorage* property, which should be an instance of `Store`.
// window.Store.sync and Backbone.localSync is deprectated, use Backbone.LocalStorage.sync instead
// window.Store.sync and Backbone.localSync is deprecated, use Backbone.LocalStorage.sync instead
Backbone.LocalStorage.sync = window.Store.sync = Backbone.localSync = function(method, model, options) {
var store = model.localStorage || model.collection.localStorage;
var resp, errorMessage, syncDfd = $.Deferred && $.Deferred(); //If $ is having Deferred - use it.
var resp, errorMessage, syncDfd = Backbone.$.Deferred && Backbone.$.Deferred(); //If $ is having Deferred - use it.
try {
......@@ -134,21 +162,23 @@ Backbone.LocalStorage.sync = window.Store.sync = Backbone.localSync = function(m
}
} catch(error) {
if (error.code === DOMException.QUOTA_EXCEEDED_ERR && window.localStorage.length === 0)
if (error.code === 22 && store._storageSize() === 0)
errorMessage = "Private browsing is unsupported";
else
errorMessage = error.message;
}
if (resp) {
if (options && options.success)
if (options && options.success) {
if (Backbone.VERSION === "0.9.10") {
options.success(model, resp, options);
} else {
options.success(resp);
}
if (syncDfd)
}
if (syncDfd) {
syncDfd.resolve(resp);
}
} else {
errorMessage = errorMessage ? errorMessage
......
dependency-examples/backbone_require/bower_components/backbone/backbone.js
View file @ 09b3004e
// Backbone.js 0.9.10
// Backbone.js 1.1.0
// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
// (c) 2010-2011 Jeremy Ashkenas, DocumentCloud Inc.
// (c) 2011-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Backbone may be freely distributed under the MIT license.
// For all details and documentation:
// http://backbonejs.org
......@@ -18,14 +19,14 @@
// restored later on, if `noConflict` is used.
var previousBackbone = root.Backbone;
// Create a local reference to array methods.
// 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 CommonJS and the browser.
// be attached to this. Exported for both the browser and the server.
var Backbone;
if (typeof exports !== 'undefined') {
Backbone = exports;
......@@ -34,14 +35,15 @@
}
// Current version of the library. Keep in sync with `package.json`.
Backbone.VERSION = '0.9.10';
Backbone.VERSION = '1.1.0';
// 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, or Ender owns the `$` variable.
Backbone.$ = root.jQuery || root.Zepto || root.ender;
// 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.
......@@ -51,7 +53,7 @@
};
// Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
// will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
// will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
// set a `X-Http-Method-Override` header.
Backbone.emulateHTTP = false;
......@@ -64,45 +66,6 @@
// Backbone.Events
// ---------------
// 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;
if (typeof name === 'object') {
for (var key in name) {
obj[action].apply(obj, [key, name[key]].concat(rest));
}
} else 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));
}
} else {
return true;
}
};
// Optimized internal dispatch function for triggering events. Tries to
// keep the usual cases speedy (most Backbone events have 3 arguments).
var triggerEvents = function(events, args) {
var ev, i = -1, l = events.length;
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, args[0]);
return;
case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0], args[1]);
return;
case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0], args[1], args[2]);
return;
default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args);
}
};
// 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
......@@ -115,29 +78,27 @@
//
var Events = Backbone.Events = {
// Bind one or more space separated events, or an events map,
// to a `callback` function. Passing `"all"` will bind the callback to
// all events fired.
// 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;
if (!eventsApi(this, 'on', name, [callback, context]) || !callback) return this;
this._events || (this._events = {});
var list = this._events[name] || (this._events[name] = []);
list.push({callback: callback, context: context, ctx: context || this});
var events = this._events[name] || (this._events[name] = []);
events.push({callback: callback, context: context, ctx: context || this});
return this;
},
// Bind events to only be triggered a single time. After the first time
// 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;
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;
this.on(name, once, context);
return this;
return this.on(name, once, context);
},
// Remove one or many callbacks. If `context` is null, removes all
......@@ -145,29 +106,27 @@
// callbacks for the event. If `name` is null, removes all bound
// callbacks for all events.
off: function(name, callback, context) {
var list, ev, events, names, i, l, j, k;
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 (list = this._events[name]) {
events = [];
if (events = this._events[name]) {
this._events[name] = retain = [];
if (callback || context) {
for (j = 0, k = list.length; j < k; j++) {
ev = list[j];
if ((callback && callback !== ev.callback &&
callback !== ev.callback._callback) ||
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)) {
events.push(ev);
retain.push(ev);
}
}
}
this._events[name] = events;
if (!retain.length) delete this._events[name];
}
}
......@@ -189,34 +148,82 @@
return this;
},
// An inversion-of-control version of `on`. Tell *this* object to listen to
// an event in another object ... keeping track of what it's listening to.
listenTo: function(obj, name, callback) {
var listeners = this._listeners || (this._listeners = {});
var id = obj._listenerId || (obj._listenerId = _.uniqueId('l'));
listeners[id] = obj;
obj.on(name, typeof name === 'object' ? this : callback, this);
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;
if (obj) {
obj.off(name, typeof name === 'object' ? this : callback, this);
if (!name && !callback) delete listeners[obj._listenerId];
} else {
if (typeof name === 'object') callback = this;
for (var id in listeners) {
listeners[id].off(name, callback, this);
}
this._listeners = {};
var listeningTo = this._listeningTo;
if (!listeningTo) return this;
var remove = !name && !callback;
if (!callback && typeof name === 'object') callback = this;
if (obj) (listeningTo = {})[obj._listenId] = obj;
for (var id in listeningTo) {
obj = listeningTo[id];
obj.off(name, callback, this);
if (remove || _.isEmpty(obj._events)) delete this._listeningTo[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 listeningTo = this._listeningTo || (this._listeningTo = {});
var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
listeningTo[id] = obj;
if (!callback && typeof name === 'object') callback = this;
obj[implementation](name, callback, this);
return this;
};
});
// Aliases for backwards compatibility.
Events.bind = Events.on;
......@@ -229,18 +236,21 @@
// Backbone.Model
// --------------
// Create a new model, with defined attributes. A client id (`cid`)
// 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 = {};
if (options && options.collection) this.collection = options.collection;
if (options && options.parse) attrs = this.parse(attrs, options) || {};
if (defaults = _.result(this, 'defaults')) {
attrs = _.defaults({}, attrs, defaults);
}
if (options.collection) this.collection = options.collection;
if (options.parse) attrs = this.parse(attrs, options) || {};
attrs = _.defaults({}, attrs, _.result(this, 'defaults'));
this.set(attrs, options);
this.changed = {};
this.initialize.apply(this, arguments);
......@@ -252,6 +262,9 @@
// 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',
......@@ -265,7 +278,8 @@
return _.clone(this.attributes);
},
// Proxy `Backbone.sync` by default.
// 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);
},
......@@ -286,10 +300,9 @@
return this.get(attr) != null;
},
// ----------------------------------------------------------------------
// Set a hash of model attributes on the object, firing `"change"` unless
// you choose to silence it.
// 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;
......@@ -343,6 +356,8 @@
}
}
// 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) {
......@@ -355,14 +370,13 @@
return this;
},
// Remove an attribute from the model, firing `"change"` unless you choose
// to silence it. `unset` is a noop if the attribute doesn't exist.
// 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"` unless you choose
// to silence it.
// Clear all attributes on the model, firing `"change"`.
clear: function(options) {
var attrs = {};
for (var key in this.attributes) attrs[key] = void 0;
......@@ -406,19 +420,20 @@
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 overriden,
// 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(model, resp, options) {
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);
},
......@@ -426,7 +441,7 @@
// If the server returns an attributes hash that differs, the model's
// state will be `set` again.
save: function(key, val, options) {
var attrs, success, method, xhr, attributes = this.attributes;
var attrs, method, xhr, attributes = this.attributes;
// Handle both `"key", value` and `{key: value}` -style arguments.
if (key == null || typeof key === 'object') {
......@@ -436,13 +451,16 @@
(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 we're not waiting and attributes exist, save acts as
// `set(attr).save(null, opts)` with validation. Otherwise, check if
// the model will be valid when the attributes, if any, are set.
if (attrs && !options.wait) {
if (!this.set(attrs, options)) return false;
} else {
if (!this._validate(attrs, options)) return false;
}
// Set temporary attributes if `{wait: true}`.
if (attrs && options.wait) {
......@@ -452,8 +470,9 @@
// After a successful server-side save, the client is (optionally)
// updated with the server-side state.
if (options.parse === void 0) options.parse = true;
success = options.success;
options.success = function(model, resp, options) {
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);
......@@ -462,9 +481,10 @@
return false;
}
if (success) success(model, resp, options);
model.trigger('sync', model, resp, options);
};
wrapError(this, options);
// Finish configuring and sending the Ajax request.
method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
if (method === 'patch') options.attrs = attrs;
xhr = this.sync(method, this, options);
......@@ -487,15 +507,17 @@
model.trigger('destroy', model, model.collection, options);
};
options.success = function(model, resp, 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(this, null, options);
options.success();
return false;
}
wrapError(this, options);
var xhr = this.sync('delete', this, options);
if (!options.wait) destroy();
......@@ -529,39 +551,60 @@
// Check if the model is currently in a valid state.
isValid: function(options) {
return !this.validate || !this.validate(this.attributes, 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 a general
// `"error"` event and call the error callback, if specified.
// 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, options || {});
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
// -------------------
// Provides a standard collection class for our sets of models, ordered
// or unordered. If a `comparator` is specified, the Collection will maintain
// 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.model) this.model = options.model;
if (options.comparator !== void 0) this.comparator = options.comparator;
this.models = [];
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, remove: false};
// Define the Collection's inheritable methods.
_.extend(Collection.prototype, Events, {
......@@ -586,34 +629,77 @@
// Add a model, or list of models to the set.
add: function(models, options) {
models = _.isArray(models) ? models.slice() : [models];
return this.set(models, _.extend({merge: false}, options, addOptions));
},
// Remove a model, or a list of models from the set.
remove: function(models, options) {
var singular = !_.isArray(models);
models = singular ? [models] : _.clone(models);
options || (options = {});
var i, l, model, attrs, existing, doSort, add, at, sort, sortAttr;
add = [];
at = options.at;
sort = this.comparator && (at == null) && options.sort != false;
sortAttr = _.isString(this.comparator) ? this.comparator : null;
var i, l, index, model;
for (i = 0, l = models.length; i < l; i++) {
model = models[i] = 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 singular ? models[0] : models;
},
// 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);
var singular = !_.isArray(models);
models = singular ? (models ? [models] : []) : _.clone(models);
var i, l, id, model, attrs, existing, sort;
var at = options.at;
var targetModel = this.model;
var sortable = this.comparator && (at == null) && options.sort !== false;
var sortAttr = _.isString(this.comparator) ? this.comparator : null;
var toAdd = [], toRemove = [], modelMap = {};
var add = options.add, merge = options.merge, remove = options.remove;
var order = !sortable && add && remove ? [] : false;
// 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(attrs = models[i], options))) {
this.trigger('invalid', this, attrs, options);
continue;
attrs = models[i];
if (attrs instanceof Model) {
id = model = attrs;
} else {
id = attrs[targetModel.prototype.idAttribute];
}
// 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.merge) {
existing.set(attrs === model ? model.attributes : attrs, options);
if (sort && !doSort && existing.hasChanged(sortAttr)) doSort = true;
}
continue;
}
// This is a new model, push it to the `add` list.
add.push(model);
if (existing = this.get(id)) {
if (remove) modelMap[existing.cid] = true;
if (merge) {
attrs = attrs === model ? model.attributes : attrs;
if (options.parse) attrs = existing.parse(attrs, options);
existing.set(attrs, options);
if (sortable && !sort && existing.hasChanged(sortAttr)) sort = true;
}
models[i] = existing;
// If this is a new, valid model, push it to the `toAdd` list.
} else if (add) {
model = models[i] = this._prepareModel(attrs, options);
if (!model) continue;
toAdd.push(model);
// Listen to added models' events, and index models for lookup by
// `id` and by `cid`.
......@@ -621,61 +707,68 @@
this._byId[model.cid] = model;
if (model.id != null) this._byId[model.id] = model;
}
if (order) order.push(existing || model);
}
// Remove nonexistent models if appropriate.
if (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 (add.length) {
if (sort) doSort = true;
this.length += add.length;
if (toAdd.length || (order && order.length)) {
if (sortable) sort = true;
this.length += toAdd.length;
if (at != null) {
splice.apply(this.models, [at, 0].concat(add));
for (i = 0, l = toAdd.length; i < l; i++) {
this.models.splice(at + i, 0, toAdd[i]);
}
} else {
push.apply(this.models, add);
if (order) this.models.length = 0;
var orderedModels = order || toAdd;
for (i = 0, l = orderedModels.length; i < l; i++) {
this.models.push(orderedModels[i]);
}
}
}
// Silently sort the collection if appropriate.
if (doSort) this.sort({silent: true});
if (sort) this.sort({silent: true});
if (options.silent) return this;
// Trigger `add` events.
for (i = 0, l = add.length; i < l; i++) {
(model = add[i]).trigger('add', model, this, options);
// Unless silenced, it's time to fire all appropriate add/sort events.
if (!options.silent) {
for (i = 0, l = toAdd.length; i < l; i++) {
(model = toAdd[i]).trigger('add', model, this, options);
}
if (sort || (order && order.length)) this.trigger('sort', this, options);
}
// Trigger `sort` if the collection was sorted.
if (doSort) this.trigger('sort', this, options);
return this;
// Return the added (or merged) model (or models).
return singular ? models[0] : models;
},
// Remove a model, or a list of models from the set.
remove: function(models, options) {
models = _.isArray(models) ? models.slice() : [models];
// 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 = {});
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);
for (var i = 0, l = this.models.length; i < l; i++) {
this._removeReference(this.models[i]);
}
return this;
options.previousModels = this.models;
this._reset();
models = this.add(models, _.extend({silent: true}, options));
if (!options.silent) this.trigger('reset', this, options);
return models;
},
// 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;
return this.add(model, _.extend({at: this.length}, options));
},
// Remove a model from the end of the collection.
......@@ -687,9 +780,7 @@
// 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;
return this.add(model, _.extend({at: 0}, options));
},
// Remove a model from the beginning of the collection.
......@@ -700,15 +791,14 @@
},
// Slice out a sub-array of models from the collection.
slice: function(begin, end) {
return this.models.slice(begin, end);
slice: function() {
return slice.apply(this.models, arguments);
},
// Get a model from the set by id.
get: function(obj) {
if (obj == null) return void 0;
this._idAttr || (this._idAttr = this.model.prototype.idAttribute);
return this._byId[obj.id || obj.cid || obj[this._idAttr] || obj];
return this._byId[obj.id] || this._byId[obj.cid] || this._byId[obj];
},
// Get the model at the given index.
......@@ -716,10 +806,11 @@
return this.models[index];
},
// Return models with matching attributes. Useful for simple cases of `filter`.
where: function(attrs) {
if (_.isEmpty(attrs)) return [];
return this.filter(function(model) {
// 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;
}
......@@ -727,13 +818,17 @@
});
},
// 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');
}
if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
options || (options = {});
// Run sort based on type of `comparator`.
......@@ -752,70 +847,21 @@
return _.invoke(this.models, 'get', attr);
},
// Smartly update a collection with a change set of models, adding,
// removing, and merging as necessary.
update: function(models, options) {
options = _.extend({add: true, merge: true, remove: true}, options);
if (options.parse) models = this.parse(models, options);
var model, i, l, existing;
var add = [], remove = [], modelMap = {};
// Allow a single model (or no argument) to be passed.
if (!_.isArray(models)) models = models ? [models] : [];
// Proxy to `add` for this case, no need to iterate...
if (options.add && !options.remove) return this.add(models, options);
// Determine which models to add and merge, and which to remove.
for (i = 0, l = models.length; i < l; i++) {
model = models[i];
existing = this.get(model);
if (options.remove && existing) modelMap[existing.cid] = true;
if ((options.add && !existing) || (options.merge && existing)) {
add.push(model);
}
}
if (options.remove) {
for (i = 0, l = this.models.length; i < l; i++) {
model = this.models[i];
if (!modelMap[model.cid]) remove.push(model);
}
}
// Remove models (if applicable) before we add and merge the rest.
if (remove.length) this.remove(remove, options);
if (add.length) this.add(add, 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 `add` or `remove` events. Fires `reset` when finished.
reset: function(models, options) {
options || (options = {});
if (options.parse) models = this.parse(models, options);
for (var i = 0, l = this.models.length; i < l; i++) {
this._removeReference(this.models[i]);
}
options.previousModels = this.models.slice();
this._reset();
if (models) this.add(models, _.extend({silent: true}, options));
if (!options.silent) this.trigger('reset', this, options);
return this;
},
// Fetch the default set of models for this collection, resetting the
// collection when they arrive. If `update: true` is passed, the response
// data will be passed through the `update` method instead of `reset`.
// 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;
options.success = function(collection, resp, options) {
var method = options.update ? 'update' : 'reset';
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);
},
......@@ -847,27 +893,30 @@
return new this.constructor(this.models);
},
// Reset all internal state. Called when the collection is reset.
// Private method to reset all internal state. Called when the collection
// is first initialized or reset.
_reset: function() {
this.length = 0;
this.models.length = 0;
this.models = [];
this._byId = {};
},
// Prepare a model or hash of attributes to be added to this collection.
// 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 = options ? _.clone(options) : {};
options.collection = this;
var model = new this.model(attrs, options);
if (!model._validate(attrs, options)) return false;
return model;
if (!model.validationError) return model;
this.trigger('invalid', this, model.validationError, options);
return false;
},
// Internal method to remove a model's ties to a collection.
// 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);
......@@ -885,25 +934,19 @@
if (model.id != null) this._byId[model.id] = model;
}
this.trigger.apply(this, arguments);
},
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);
}
});
// 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'];
'tail', 'drop', 'last', 'without', 'difference', 'indexOf', 'shuffle',
'lastIndexOf', 'isEmpty', 'chain'];
// Mix in each Underscore method as a proxy to `Collection#models`.
_.each(methods, function(method) {
......@@ -927,50 +970,282 @@
};
});
// Backbone.Router
// ---------------
// Backbone.View
// -------------
// 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) {
// 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');
options || (options = {});
if (options.routes) this.routes = options.routes;
this._bindRoutes();
_.extend(this, _.pick(options, viewOptions));
this._ensureElement();
this.initialize.apply(this, arguments);
this.delegateEvents();
};
// 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 = /[\-{}\[\]+?.,\\\^$|#\s]/g;
// Cached regex to split keys for `delegate`.
var delegateEventSplitter = /^(\S+)\s*(.*)$/;
// Set up all inheritable **Backbone.Router** properties and methods.
_.extend(Router.prototype, Events, {
// 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 preferred 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(){},
// 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 (!callback) callback = this[name];
Backbone.history.route(route, _.bind(function(fragment) {
var args = this._extractParameters(route, fragment);
callback && callback.apply(this, args);
this.trigger.apply(this, ['route:' + name].concat(args));
this.trigger('route', name, args);
Backbone.history.trigger('route', this, name, args);
}, this));
return this;
},
// **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.$el.off('.delegateEvents' + this.cid);
return this;
},
// Ensure that the View has a DOM element to render into.
// If `this.el` is a string, pass it through `$()`, 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' && noXhrPatch) {
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;
};
var noXhrPatch = typeof window !== 'undefined' && !!window.ActiveXObject && !(window.XMLHttpRequest && (new XMLHttpRequest).dispatchEvent);
// 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 = /[\-{}\[\]+?.,\\\^$|#\s]/g;
// Set up all inheritable **Backbone.Router** properties and methods.
_.extend(Router.prototype, Events, {
// Initialize is an empty function by default. Override it with your own
// initialization logic.
initialize: function(){},
// Manually bind a single named route to a callback. For example:
//
// this.route('search/:query/p:num', 'search', function(query, num) {
// ...
// });
//
route: function(route, name, callback) {
if (!_.isRegExp(route)) route = this._routeToRegExp(route);
if (_.isFunction(name)) {
callback = name;
name = '';
}
if (!callback) callback = this[name];
var router = this;
Backbone.history.route(route, function(fragment) {
var args = router._extractParameters(route, fragment);
callback && callback.apply(router, args);
router.trigger.apply(router, ['route:' + name].concat(args));
router.trigger('route', name, args);
Backbone.history.trigger('route', router, name, args);
});
return this;
},
// Simple proxy to `Backbone.history` to save a fragment into the history.
navigate: function(fragment, options) {
......@@ -983,6 +1258,7 @@
// routes can be defined at the bottom of the route map.
_bindRoutes: function() {
if (!this.routes) return;
this.routes = _.result(this, 'routes');
var route, routes = _.keys(this.routes);
while ((route = routes.pop()) != null) {
this.route(route, this.routes[route]);
......@@ -994,7 +1270,7 @@
_routeToRegExp: function(route) {
route = route.replace(escapeRegExp, '\\$&')
.replace(optionalParam, '(?:$1)?')
.replace(namedParam, function(match, optional){
.replace(namedParam, function(match, optional) {
return optional ? match : '([^\/]+)';
})
.replace(splatParam, '(.*?)');
......@@ -1002,9 +1278,13 @@
},
// Given a route, and a URL fragment that it matches, return the array of
// extracted parameters.
// extracted decoded parameters. Empty or unmatched parameters will be
// treated as `null` to normalize cross-browser behavior.
_extractParameters: function(route, fragment) {
return route.exec(fragment).slice(1);
var params = route.exec(fragment).slice(1);
return _.map(params, function(param) {
return param ? decodeURIComponent(param) : null;
});
}
});
......@@ -1012,8 +1292,11 @@
// Backbone.History
// ----------------
// Handles cross-browser history management, based on URL fragments. If the
// browser does not support `onhashchange`, falls back to polling.
// Handles cross-browser history management, based on either
// [pushState](http://diveintohtml5.info/history.html) and real URLs, or
// [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
// and URL fragments. If the browser supports neither (old IE, natch),
// falls back to polling.
var History = Backbone.History = function() {
this.handlers = [];
_.bindAll(this, 'checkUrl');
......@@ -1037,6 +1320,9 @@
// Cached regex for removing a trailing slash.
var trailingSlash = /\/$/;
// Cached regex for stripping urls of hash and query.
var pathStripper = /[?#].*$/;
// Has the history handling already been started?
History.started = false;
......@@ -1061,7 +1347,7 @@
if (this._hasPushState || !this._wantsHashChange || forcePushState) {
fragment = this.location.pathname;
var root = this.root.replace(trailingSlash, '');
if (!fragment.indexOf(root)) fragment = fragment.substr(root.length);
if (!fragment.indexOf(root)) fragment = fragment.slice(root.length);
} else {
fragment = this.getHash();
}
......@@ -1077,7 +1363,7 @@
// Figure out the initial configuration. Do we need an iframe?
// Is pushState desired ... is it available?
this.options = _.extend({}, {root: '/'}, this.options, options);
this.options = _.extend({root: '/'}, this.options, options);
this.root = this.options.root;
this._wantsHashChange = this.options.hashChange !== false;
this._wantsPushState = !!this.options.pushState;
......@@ -1110,9 +1396,13 @@
var loc = this.location;
var atRoot = loc.pathname.replace(/[^\/]$/, '$&/') === 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) {
// Transition from hashChange to pushState or vice versa if both are
// requested.
if (this._wantsHashChange && this._wantsPushState) {
// 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._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
......@@ -1120,11 +1410,13 @@
// 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) {
} else if (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();
},
......@@ -1151,21 +1443,20 @@
}
if (current === this.fragment) return false;
if (this.iframe) this.navigate(current);
this.loadUrl() || this.loadUrl(this.getHash());
this.loadUrl();
},
// 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) {
loadUrl: function(fragment) {
fragment = this.fragment = this.getFragment(fragment);
return _.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
......@@ -1177,11 +1468,18 @@
// 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 (!options || options === true) options = {trigger: !!options};
var url = this.root + (fragment = this.getFragment(fragment || ''));
// Strip the fragment of the query and hash for matching.
fragment = fragment.replace(pathStripper, '');
if (this.fragment === fragment) return;
this.fragment = fragment;
var url = this.root + fragment;
// Don't include a trailing slash on the root.
if (fragment === '' && url !== '/') url = url.slice(0, -1);
// If pushState is available, we use it to set the fragment as a real URL.
if (this._hasPushState) {
......@@ -1204,7 +1502,7 @@
} else {
return this.location.assign(url);
}
if (options.trigger) this.loadUrl(fragment);
if (options.trigger) return this.loadUrl(fragment);
},
// Update the hash location, either replacing the current entry, or adding
......@@ -1224,230 +1522,6 @@
// Create the default Backbone.history.
Backbone.history = new History;
// Backbone.View
// -------------
// 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.undelegateEvents();
for (var key in events) {
var method = events[key];
if (!_.isFunction(method)) method = this[events[key]];
if (!method) throw new Error('Method "' + events[key] + '" does not exist');
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);
}
}
},
// 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.$el.off('.delegateEvents' + this.cid);
},
// Performs the initial configuration of a View with a set of options.
// Keys with special meaning *(model, collection, id, className)*, are
// attached directly to the view.
_configure: function(options) {
if (this.options) options = _.extend({}, _.result(this, 'options'), options);
_.extend(this, _.pick(options, viewOptions));
this.options = options;
},
// Ensure that the View has a DOM element to render into.
// If `this.el` is a string, pass it through `$()`, 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
// -------------
// Map from CRUD to HTTP for our default `Backbone.sync` implementation.
var methodMap = {
'create': 'POST',
'update': 'PUT',
'patch': 'PATCH',
'delete': 'DELETE',
'read': 'GET'
};
// 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;
}
var success = options.success;
options.success = function(resp) {
if (success) success(model, resp, options);
model.trigger('sync', model, resp, options);
};
var error = options.error;
options.error = function(xhr) {
if (error) error(model, xhr, options);
model.trigger('error', model, xhr, options);
};
// 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;
};
// Set the default implementation of `Backbone.ajax` to proxy through to `$`.
Backbone.ajax = function() {
return Backbone.$.ajax.apply(Backbone.$, arguments);
};
// Helpers
// -------
......@@ -1495,4 +1569,13 @@
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);
dependency-examples/backbone_require/bower_components/jquery/jquery.js
View file @ 09b3004e
This source diff could not be displayed because it is too large. You can view the blob instead.
dependency-examples/backbone_require/bower_components/requirejs-text/text.js
View file @ 09b3004e
/**
* @license RequireJS text 2.0.5 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
* @license RequireJS text 2.0.10 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
* Available via the MIT or new BSD license.
* see: http://github.com/requirejs/text for details
*/
/*jslint regexp: true */
/*global require: false, XMLHttpRequest: false, ActiveXObject: false,
define: false, window: false, process: false, Packages: false,
java: false, location: false */
/*global require, XMLHttpRequest, ActiveXObject,
define, window, process, Packages,
java, location, Components, FileUtils */
define(['module'], function (module) {
'use strict';
var text, fs,
var text, fs, Cc, Ci, xpcIsWindows,
progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'],
xmlRegExp = /^\s*<\?xml(\s)+version=[\'\"](\d)*.(\d)*[\'\"](\s)*\?>/im,
bodyRegExp = /<body[^>]*>\s*([\s\S]+)\s*<\/body>/im,
......@@ -19,11 +19,11 @@ define(['module'], function (module) {
defaultProtocol = hasLocation && location.protocol && location.protocol.replace(/\:/, ''),
defaultHostName = hasLocation && location.hostname,
defaultPort = hasLocation && (location.port || undefined),
buildMap = [],
buildMap = {},
masterConfig = (module.config && module.config()) || {};
text = {
version: '2.0.5',
version: '2.0.10',
strip: function (content) {
//Strips <?xml ...?> declarations so that external SVG and XML
......@@ -176,6 +176,12 @@ define(['module'], function (module) {
useXhr = (masterConfig.useXhr) ||
text.useXhr;
// Do not load if it is an empty: url
if (url.indexOf('empty:') === 0) {
onLoad();
return;
}
//Load the text. Use XHR if possible and in a browser.
if (!hasLocation || useXhr(url, defaultProtocol, defaultHostName, defaultPort)) {
text.get(url, function (content) {
......@@ -237,17 +243,22 @@ define(['module'], function (module) {
if (masterConfig.env === 'node' || (!masterConfig.env &&
typeof process !== "undefined" &&
process.versions &&
!!process.versions.node)) {
!!process.versions.node &&
!process.versions['node-webkit'])) {
//Using special require.nodeRequire, something added by r.js.
fs = require.nodeRequire('fs');
text.get = function (url, callback) {
text.get = function (url, callback, errback) {
try {
var file = fs.readFileSync(url, 'utf8');
//Remove BOM (Byte Mark Order) from utf8 files if it is there.
if (file.indexOf('\uFEFF') === 0) {
file = file.substring(1);
}
callback(file);
} catch (e) {
errback(e);
}
};
} else if (masterConfig.env === 'xhr' || (!masterConfig.env &&
text.createXhr())) {
......@@ -283,6 +294,10 @@ define(['module'], function (module) {
} else {
callback(xhr.responseText);
}
if (masterConfig.onXhrComplete) {
masterConfig.onXhrComplete(xhr, url);
}
}
};
xhr.send(null);
......@@ -313,7 +328,9 @@ define(['module'], function (module) {
line = line.substring(1);
}
if (line !== null) {
stringBuffer.append(line);
}
while ((line = input.readLine()) !== null) {
stringBuffer.append(lineSeparator);
......@@ -326,7 +343,44 @@ define(['module'], function (module) {
}
callback(content);
};
} else if (masterConfig.env === 'xpconnect' || (!masterConfig.env &&
typeof Components !== 'undefined' && Components.classes &&
Components.interfaces)) {
//Avert your gaze!
Cc = Components.classes,
Ci = Components.interfaces;
Components.utils['import']('resource://gre/modules/FileUtils.jsm');
xpcIsWindows = ('@mozilla.org/windows-registry-key;1' in Cc);
text.get = function (url, callback) {
var inStream, convertStream, fileObj,
readData = {};
if (xpcIsWindows) {
url = url.replace(/\//g, '\\');
}
fileObj = new FileUtils.File(url);
//XPCOM, you so crazy
try {
inStream = Cc['@mozilla.org/network/file-input-stream;1']
.createInstance(Ci.nsIFileInputStream);
inStream.init(fileObj, 1, 0, false);
convertStream = Cc['@mozilla.org/intl/converter-input-stream;1']
.createInstance(Ci.nsIConverterInputStream);
convertStream.init(inStream, "utf-8", inStream.available(),
Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
convertStream.readString(inStream.available(), readData);
convertStream.close();
inStream.close();
callback(readData.value);
} catch (e) {
throw new Error((fileObj && fileObj.path || '') + ': ' + e);
}
};
}
return text;
});
dependency-examples/backbone_require/bower_components/requirejs/require.js
View file @ 09b3004e
/** vim: et:ts=4:sw=4:sts=4
* @license RequireJS 2.1.5 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
* @license RequireJS 2.1.9 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
*/
......@@ -12,7 +12,7 @@ var requirejs, require, define;
(function (global) {
var req, s, head, baseElement, dataMain, src,
interactiveScript, currentlyAddingScript, mainScript, subPath,
version = '2.1.5',
version = '2.1.9',
commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
jsSuffixRegExp = /\.js$/,
......@@ -22,7 +22,7 @@ var requirejs, require, define;
hasOwn = op.hasOwnProperty,
ap = Array.prototype,
apsp = ap.splice,
isBrowser = !!(typeof window !== 'undefined' && navigator && document),
isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'undefined' && window.document),
isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
//PS3 indicates loaded and complete, but need to wait for complete
//specifically. Sequence is 'loading', 'loaded', execution,
......@@ -134,6 +134,10 @@ var requirejs, require, define;
return document.getElementsByTagName('script');
}
function defaultOnError(err) {
throw err;
}
//Allow getting a global that expressed in
//dot notation, like 'a.b.c'.
function getGlobal(value) {
......@@ -369,7 +373,6 @@ var requirejs, require, define;
function hasPathFallback(id) {
var pathConfig = getOwn(config.paths, id);
if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) {
removeScript(id);
//Pop off the first array value, since it failed, and
//retry
pathConfig.shift();
......@@ -500,7 +503,12 @@ var requirejs, require, define;
fn(defined[id]);
}
} else {
getModule(depMap).on(name, fn);
mod = getModule(depMap);
if (mod.error && name === 'error') {
fn(mod.error);
} else {
mod.on(name, fn);
}
}
}
......@@ -571,7 +579,13 @@ var requirejs, require, define;
id: mod.map.id,
uri: mod.map.url,
config: function () {
return (config.config && getOwn(config.config, mod.map.id)) || {};
var c,
pkg = getOwn(config.pkgs, mod.map.id);
// For packages, only support config targeted
// at the main module.
c = pkg ? getOwn(config.config, mod.map.id + '/' + pkg.main) :
getOwn(config.config, mod.map.id);
return c || {};
},
exports: defined[mod.map.id]
});
......@@ -840,8 +854,13 @@ var requirejs, require, define;
if (this.depCount < 1 && !this.defined) {
if (isFunction(factory)) {
//If there is an error listener, favor passing
//to that instead of throwing an error.
if (this.events.error) {
//to that instead of throwing an error. However,
//only do it for define()'d modules. require
//errbacks should not be called for failures in
//their callbacks (#699). However if a global
//onError is set, use that.
if ((this.events.error && this.map.isDefine) ||
req.onError !== defaultOnError) {
try {
exports = context.execCb(id, factory, depExports, exports);
} catch (e) {
......@@ -869,8 +888,8 @@ var requirejs, require, define;
if (err) {
err.requireMap = this.map;
err.requireModules = [this.map.id];
err.requireType = 'define';
err.requireModules = this.map.isDefine ? [this.map.id] : null;
err.requireType = this.map.isDefine ? 'define' : 'require';
return onError((this.error = err));
}
......@@ -1093,7 +1112,7 @@ var requirejs, require, define;
}));
if (this.errback) {
on(depMap, 'error', this.errback);
on(depMap, 'error', bind(this, this.errback));
}
}
......@@ -1444,6 +1463,8 @@ var requirejs, require, define;
var map = makeModuleMap(id, relMap, true),
mod = getOwn(registry, id);
removeScript(id);
delete defined[id];
delete urlFetched[map.url];
delete undefEvents[id];
......@@ -1589,7 +1610,7 @@ var requirejs, require, define;
//Join the path parts together, then figure out if baseUrl is needed.
url = syms.join('/');
url += (ext || (/\?/.test(url) || skipExt ? '' : '.js'));
url += (ext || (/^data\:|\?/.test(url) || skipExt ? '' : '.js'));
url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url;
}
......@@ -1605,7 +1626,7 @@ var requirejs, require, define;
},
/**
* Executes a module callack function. Broken out as a separate function
* Executes a module callback function. Broken out as a separate function
* solely to allow the build system to sequence the files in the built
* layer in the right sequence.
*
......@@ -1643,7 +1664,7 @@ var requirejs, require, define;
onScriptError: function (evt) {
var data = getScriptData(evt);
if (!hasPathFallback(data.id)) {
return onError(makeError('scripterror', 'Script error', evt, [data.id]));
return onError(makeError('scripterror', 'Script error for: ' + data.id, evt, [data.id]));
}
}
};
......@@ -1772,8 +1793,19 @@ var requirejs, require, define;
* function. Intercept/override it if you want custom error handling.
* @param {Error} err the error object.
*/
req.onError = function (err) {
throw err;
req.onError = defaultOnError;
/**
* Creates the node for the load command. Only used in browser envs.
*/
req.createNode = function (config, moduleName, url) {
var node = config.xhtml ?
document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') :
document.createElement('script');
node.type = config.scriptType || 'text/javascript';
node.charset = 'utf-8';
node.async = true;
return node;
};
/**
......@@ -1790,12 +1822,7 @@ var requirejs, require, define;
node;
if (isBrowser) {
//In the browser so use a script tag
node = config.xhtml ?
document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') :
document.createElement('script');
node.type = config.scriptType || 'text/javascript';
node.charset = 'utf-8';
node.async = true;
node = req.createNode(config, moduleName, url);
node.setAttribute('data-requirecontext', context.contextName);
node.setAttribute('data-requiremodule', moduleName);
......@@ -1892,7 +1919,7 @@ var requirejs, require, define;
}
//Look for a data-main script attribute, which could also adjust the baseUrl.
if (isBrowser) {
if (isBrowser && !cfg.skipDataMain) {
//Figure out baseUrl. Get it from the script tag with require.js in it.
eachReverse(scripts(), function (script) {
//Set the 'head' where we can append children by
......@@ -1906,24 +1933,31 @@ var requirejs, require, define;
//baseUrl, if it is not already set.
dataMain = script.getAttribute('data-main');
if (dataMain) {
//Preserve dataMain in case it is a path (i.e. contains '?')
mainScript = dataMain;
//Set final baseUrl if there is not already an explicit one.
if (!cfg.baseUrl) {
//Pull off the directory of data-main for use as the
//baseUrl.
src = dataMain.split('/');
src = mainScript.split('/');
mainScript = src.pop();
subPath = src.length ? src.join('/') + '/' : './';
cfg.baseUrl = subPath;
dataMain = mainScript;
}
//Strip off any trailing .js since dataMain is now
//Strip off any trailing .js since mainScript is now
//like a module name.
dataMain = dataMain.replace(jsSuffixRegExp, '');
mainScript = mainScript.replace(jsSuffixRegExp, '');
//If mainScript is still a path, fall back to dataMain
if (req.jsExtRegExp.test(mainScript)) {
mainScript = dataMain;
}
//Put the data-main script in the files to load.
cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain];
cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript];
return true;
}
......@@ -1951,12 +1985,13 @@ var requirejs, require, define;
//This module may not have dependencies
if (!isArray(deps)) {
callback = deps;
deps = [];
deps = null;
}
//If no name, and callback is a function, then figure out if it a
//CommonJS thing with dependencies.
if (!deps.length && isFunction(callback)) {
if (!deps && isFunction(callback)) {
deps = [];
//Remove comments from the callback string,
//look for require calls, and pull them into the dependencies,
//but only if there are function args.
......
dependency-examples/backbone_require/bower_components/underscore/underscore.js
View file @ 09b3004e
// Underscore.js 1.4.4
// Underscore.js 1.5.2
// http://underscorejs.org
// (c) 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
// (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license.
(function() {
......@@ -8,7 +8,7 @@
// Baseline setup
// --------------
// Establish the root object, `window` in the browser, or `global` on the server.
// Establish the root object, `window` in the browser, or `exports` on the server.
var root = this;
// Save the previous value of the `_` variable.
......@@ -21,7 +21,8 @@
var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
// Create quick reference variables for speed access to core prototypes.
var push = ArrayProto.push,
var
push = ArrayProto.push,
slice = ArrayProto.slice,
concat = ArrayProto.concat,
toString = ObjProto.toString,
......@@ -64,7 +65,7 @@
}
// Current version.
_.VERSION = '1.4.4';
_.VERSION = '1.5.2';
// Collection Functions
// --------------------
......@@ -77,14 +78,13 @@
if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (obj.length === +obj.length) {
for (var i = 0, l = obj.length; i < l; i++) {
for (var i = 0, length = obj.length; i < length; i++) {
if (iterator.call(context, obj[i], i, obj) === breaker) return;
}
} else {
for (var key in obj) {
if (_.has(obj, key)) {
if (iterator.call(context, obj[key], key, obj) === breaker) return;
}
var keys = _.keys(obj);
for (var i = 0, length = keys.length; i < length; i++) {
if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;
}
}
};
......@@ -96,7 +96,7 @@
if (obj == null) return results;
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
each(obj, function(value, index, list) {
results[results.length] = iterator.call(context, value, index, list);
results.push(iterator.call(context, value, index, list));
});
return results;
};
......@@ -171,7 +171,7 @@
if (obj == null) return results;
if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
each(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) results[results.length] = value;
if (iterator.call(context, value, index, list)) results.push(value);
});
return results;
};
......@@ -238,7 +238,7 @@
// Convenience version of a common use case of `filter`: selecting only objects
// containing specific `key:value` pairs.
_.where = function(obj, attrs, first) {
if (_.isEmpty(attrs)) return first ? null : [];
if (_.isEmpty(attrs)) return first ? void 0 : [];
return _[first ? 'find' : 'filter'](obj, function(value) {
for (var key in attrs) {
if (attrs[key] !== value[key]) return false;
......@@ -255,7 +255,7 @@
// Return the maximum element or (element-based computation).
// Can't optimize arrays of integers longer than 65,535 elements.
// See: https://bugs.webkit.org/show_bug.cgi?id=80797
// See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797)
_.max = function(obj, iterator, context) {
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
return Math.max.apply(Math, obj);
......@@ -264,7 +264,7 @@
var result = {computed : -Infinity, value: -Infinity};
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
computed >= result.computed && (result = {value : value, computed : computed});
computed > result.computed && (result = {value : value, computed : computed});
});
return result.value;
};
......@@ -283,7 +283,8 @@
return result.value;
};
// Shuffle an array.
// Shuffle an array, using the modern version of the
// [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
_.shuffle = function(obj) {
var rand;
var index = 0;
......@@ -296,6 +297,16 @@
return shuffled;
};
// Sample **n** random values from an array.
// If **n** is not specified, returns a single random element from the array.
// The internal `guard` argument allows it to work with `map`.
_.sample = function(obj, n, guard) {
if (arguments.length < 2 || guard) {
return obj[_.random(obj.length - 1)];
}
return _.shuffle(obj).slice(0, Math.max(0, n));
};
// An internal function to generate lookup iterators.
var lookupIterator = function(value) {
return _.isFunction(value) ? value : function(obj){ return obj[value]; };
......@@ -306,9 +317,9 @@
var iterator = lookupIterator(value);
return _.pluck(_.map(obj, function(value, index, list) {
return {
value : value,
index : index,
criteria : iterator.call(context, value, index, list)
value: value,
index: index,
criteria: iterator.call(context, value, index, list)
};
}).sort(function(left, right) {
var a = left.criteria;
......@@ -317,38 +328,41 @@
if (a > b || a === void 0) return 1;
if (a < b || b === void 0) return -1;
}
return left.index < right.index ? -1 : 1;
return left.index - right.index;
}), 'value');
};
// An internal function used for aggregate "group by" operations.
var group = function(obj, value, context, behavior) {
var group = function(behavior) {
return function(obj, value, context) {
var result = {};
var iterator = lookupIterator(value || _.identity);
var iterator = value == null ? _.identity : lookupIterator(value);
each(obj, function(value, index) {
var key = iterator.call(context, value, index, obj);
behavior(result, key, value);
});
return result;
};
};
// Groups the object's values by a criterion. Pass either a string attribute
// to group by, or a function that returns the criterion.
_.groupBy = function(obj, value, context) {
return group(obj, value, context, function(result, key, value) {
_.groupBy = group(function(result, key, value) {
(_.has(result, key) ? result[key] : (result[key] = [])).push(value);
});
};
// Indexes the object's values by a criterion, similar to `groupBy`, but for
// when you know that your index values will be unique.
_.indexBy = group(function(result, key, value) {
result[key] = value;
});
// Counts instances of an object that group by a certain criterion. Pass
// either a string attribute to count by, or a function that returns the
// criterion.
_.countBy = function(obj, value, context) {
return group(obj, value, context, function(result, key) {
if (!_.has(result, key)) result[key] = 0;
result[key]++;
_.countBy = group(function(result, key) {
_.has(result, key) ? result[key]++ : result[key] = 1;
});
};
// Use a comparator function to figure out the smallest index at which
// an object should be inserted so as to maintain order. Uses binary search.
......@@ -363,7 +377,7 @@
return low;
};
// Safely convert anything iterable into a real, live array.
// Safely create a real, live array from anything iterable.
_.toArray = function(obj) {
if (!obj) return [];
if (_.isArray(obj)) return slice.call(obj);
......@@ -385,7 +399,7 @@
// allows it to work with `_.map`.
_.first = _.head = _.take = function(array, n, guard) {
if (array == null) return void 0;
return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
return (n == null) || guard ? array[0] : slice.call(array, 0, n);
};
// Returns everything but the last entry of the array. Especially useful on
......@@ -400,10 +414,10 @@
// values in the array. The **guard** check allows it to work with `_.map`.
_.last = function(array, n, guard) {
if (array == null) return void 0;
if ((n != null) && !guard) {
return slice.call(array, Math.max(array.length - n, 0));
} else {
if ((n == null) || guard) {
return array[array.length - 1];
} else {
return slice.call(array, Math.max(array.length - n, 0));
}
};
......@@ -422,8 +436,11 @@
// Internal implementation of a recursive `flatten` function.
var flatten = function(input, shallow, output) {
if (shallow && _.every(input, _.isArray)) {
return concat.apply(output, input);
}
each(input, function(value) {
if (_.isArray(value)) {
if (_.isArray(value) || _.isArguments(value)) {
shallow ? push.apply(output, value) : flatten(value, shallow, output);
} else {
output.push(value);
......@@ -432,7 +449,7 @@
return output;
};
// Return a completely flattened version of an array.
// Flatten out an array, either recursively (by default), or just one level.
_.flatten = function(array, shallow) {
return flatten(array, shallow, []);
};
......@@ -466,7 +483,7 @@
// Produce an array that contains the union: each distinct element from all of
// the passed-in arrays.
_.union = function() {
return _.uniq(concat.apply(ArrayProto, arguments));
return _.uniq(_.flatten(arguments, true));
};
// Produce an array that contains every item shared between all the
......@@ -490,11 +507,10 @@
// Zip together multiple lists into a single array -- elements that share
// an index go together.
_.zip = function() {
var args = slice.call(arguments);
var length = _.max(_.pluck(args, 'length'));
var length = _.max(_.pluck(arguments, "length").concat(0));
var results = new Array(length);
for (var i = 0; i < length; i++) {
results[i] = _.pluck(args, "" + i);
results[i] = _.pluck(arguments, '' + i);
}
return results;
};
......@@ -505,7 +521,7 @@
_.object = function(list, values) {
if (list == null) return {};
var result = {};
for (var i = 0, l = list.length; i < l; i++) {
for (var i = 0, length = list.length; i < length; i++) {
if (values) {
result[list[i]] = values[i];
} else {
......@@ -523,17 +539,17 @@
// for **isSorted** to use binary search.
_.indexOf = function(array, item, isSorted) {
if (array == null) return -1;
var i = 0, l = array.length;
var i = 0, length = array.length;
if (isSorted) {
if (typeof isSorted == 'number') {
i = (isSorted < 0 ? Math.max(0, l + isSorted) : isSorted);
i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted);
} else {
i = _.sortedIndex(array, item);
return array[i] === item ? i : -1;
}
}
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
for (; i < l; i++) if (array[i] === item) return i;
for (; i < length; i++) if (array[i] === item) return i;
return -1;
};
......@@ -559,11 +575,11 @@
}
step = arguments[2] || 1;
var len = Math.max(Math.ceil((stop - start) / step), 0);
var length = Math.max(Math.ceil((stop - start) / step), 0);
var idx = 0;
var range = new Array(len);
var range = new Array(length);
while(idx < len) {
while(idx < length) {
range[idx++] = start;
start += step;
}
......@@ -574,14 +590,25 @@
// Function (ahem) Functions
// ------------------
// Reusable constructor function for prototype setting.
var ctor = function(){};
// Create a function bound to a given object (assigning `this`, and arguments,
// optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
// available.
_.bind = function(func, context) {
if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
var args = slice.call(arguments, 2);
return function() {
return func.apply(context, args.concat(slice.call(arguments)));
var args, bound;
if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
if (!_.isFunction(func)) throw new TypeError;
args = slice.call(arguments, 2);
return bound = function() {
if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
ctor.prototype = func.prototype;
var self = new ctor;
ctor.prototype = null;
var result = func.apply(self, args.concat(slice.call(arguments)));
if (Object(result) === result) return result;
return self;
};
};
......@@ -598,7 +625,7 @@
// all callbacks defined on an object belong to it.
_.bindAll = function(obj) {
var funcs = slice.call(arguments, 1);
if (funcs.length === 0) funcs = _.functions(obj);
if (funcs.length === 0) throw new Error("bindAll must be passed function names");
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
return obj;
};
......@@ -627,17 +654,23 @@
};
// Returns a function, that, when invoked, will only be triggered at most once
// during a given window of time.
_.throttle = function(func, wait) {
var context, args, timeout, result;
// during a given window of time. Normally, the throttled function will run
// as much as it can, without ever going more than once per `wait` duration;
// but if you'd like to disable the execution on the leading edge, pass
// `{leading: false}`. To disable execution on the trailing edge, ditto.
_.throttle = function(func, wait, options) {
var context, args, result;
var timeout = null;
var previous = 0;
options || (options = {});
var later = function() {
previous = new Date;
previous = options.leading === false ? 0 : new Date;
timeout = null;
result = func.apply(context, args);
};
return function() {
var now = new Date;
if (!previous && options.leading === false) previous = now;
var remaining = wait - (now - previous);
context = this;
args = arguments;
......@@ -646,7 +679,7 @@
timeout = null;
previous = now;
result = func.apply(context, args);
} else if (!timeout) {
} else if (!timeout && options.trailing !== false) {
timeout = setTimeout(later, remaining);
}
return result;
......@@ -658,16 +691,24 @@
// N milliseconds. If `immediate` is passed, trigger the function on the
// leading edge, instead of the trailing.
_.debounce = function(func, wait, immediate) {
var timeout, result;
var timeout, args, context, timestamp, result;
return function() {
var context = this, args = arguments;
context = this;
args = arguments;
timestamp = new Date();
var later = function() {
var last = (new Date()) - timestamp;
if (last < wait) {
timeout = setTimeout(later, wait - last);
} else {
timeout = null;
if (!immediate) result = func.apply(context, args);
}
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
if (!timeout) {
timeout = setTimeout(later, wait);
}
if (callNow) result = func.apply(context, args);
return result;
};
......@@ -712,7 +753,6 @@
// Returns a function that will only be executed after being called N times.
_.after = function(times, func) {
if (times <= 0) return func();
return function() {
if (--times < 1) {
return func.apply(this, arguments);
......@@ -728,28 +768,39 @@
_.keys = nativeKeys || function(obj) {
if (obj !== Object(obj)) throw new TypeError('Invalid object');
var keys = [];
for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
for (var key in obj) if (_.has(obj, key)) keys.push(key);
return keys;
};
// Retrieve the values of an object's properties.
_.values = function(obj) {
var values = [];
for (var key in obj) if (_.has(obj, key)) values.push(obj[key]);
var keys = _.keys(obj);
var length = keys.length;
var values = new Array(length);
for (var i = 0; i < length; i++) {
values[i] = obj[keys[i]];
}
return values;
};
// Convert an object into a list of `[key, value]` pairs.
_.pairs = function(obj) {
var pairs = [];
for (var key in obj) if (_.has(obj, key)) pairs.push([key, obj[key]]);
var keys = _.keys(obj);
var length = keys.length;
var pairs = new Array(length);
for (var i = 0; i < length; i++) {
pairs[i] = [keys[i], obj[keys[i]]];
}
return pairs;
};
// Invert the keys and values of an object. The values must be serializable.
_.invert = function(obj) {
var result = {};
for (var key in obj) if (_.has(obj, key)) result[obj[key]] = key;
var keys = _.keys(obj);
for (var i = 0, length = keys.length; i < length; i++) {
result[obj[keys[i]]] = keys[i];
}
return result;
};
......@@ -800,7 +851,7 @@
each(slice.call(arguments, 1), function(source) {
if (source) {
for (var prop in source) {
if (obj[prop] == null) obj[prop] = source[prop];
if (obj[prop] === void 0) obj[prop] = source[prop];
}
}
});
......@@ -824,7 +875,7 @@
// Internal recursive comparison function for `isEqual`.
var eq = function(a, b, aStack, bStack) {
// Identical objects are equal. `0 === -0`, but they aren't identical.
// See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
// See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
if (a === b) return a !== 0 || 1 / a == 1 / b;
// A strict comparison is necessary because `null == undefined`.
if (a == null || b == null) return a === b;
......@@ -866,6 +917,13 @@
// unique nested structures.
if (aStack[length] == a) return bStack[length] == b;
}
// Objects with different constructors are not equivalent, but `Object`s
// from different frames are.
var aCtor = a.constructor, bCtor = b.constructor;
if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
_.isFunction(bCtor) && (bCtor instanceof bCtor))) {
return false;
}
// Add the first object to the stack of traversed objects.
aStack.push(a);
bStack.push(b);
......@@ -882,13 +940,6 @@
}
}
} else {
// Objects with different constructors are not equivalent, but `Object`s
// from different frames are.
var aCtor = a.constructor, bCtor = b.constructor;
if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
_.isFunction(bCtor) && (bCtor instanceof bCtor))) {
return false;
}
// Deep compare objects.
for (var key in a) {
if (_.has(a, key)) {
......@@ -1012,7 +1063,7 @@
// Run a function **n** times.
_.times = function(n, iterator, context) {
var accum = Array(n);
var accum = Array(Math.max(0, n));
for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
return accum;
};
......@@ -1033,8 +1084,7 @@
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#x27;',
'/': '&#x2F;'
"'": '&#x27;'
}
};
entityMap.unescape = _.invert(entityMap.escape);
......@@ -1055,17 +1105,17 @@
};
});
// If the value of the named property is a function then invoke it;
// otherwise, return it.
// If the value of the named `property` is a function then invoke it with the
// `object` as context; otherwise, return it.
_.result = function(object, property) {
if (object == null) return null;
if (object == null) return void 0;
var value = object[property];
return _.isFunction(value) ? value.call(object) : value;
};
// Add your own custom functions to the Underscore object.
_.mixin = function(obj) {
each(_.functions(obj), function(name){
each(_.functions(obj), function(name) {
var func = _[name] = obj[name];
_.prototype[name] = function() {
var args = [this._wrapped];
......
dependency-examples/backbone_require/js/models/todo.js
View file @ 09b3004e
......@@ -5,7 +5,7 @@ define([
], function (_, Backbone) {
'use strict';
var TodoModel = Backbone.Model.extend({
var Todo = Backbone.Model.extend({
// Default attributes for the todo
// and ensure that each todo created has `title` and `completed` keys.
defaults: {
......@@ -21,5 +21,5 @@ define([
}
});
return TodoModel;
return Todo;
});
dependency-examples/backbone_require/js/routers/router.js
View file @ 09b3004e
......@@ -7,14 +7,14 @@ define([
], function ($, Backbone, Todos, Common) {
'use strict';
var Workspace = Backbone.Router.extend({
var TodoRouter = Backbone.Router.extend({
routes: {
'*filter': 'setFilter'
},
setFilter: function (param) {
// Set the current filter to be used
Common.TodoFilter = param.trim() || '';
Common.TodoFilter = param || '';
// Trigger a collection filter event, causing hiding/unhiding
// of the Todo view items
......@@ -22,5 +22,5 @@ define([
}
});
return Workspace;
return TodoRouter;
});
dependency-examples/backbone_require/js/views/app.js
View file @ 09b3004e
......@@ -10,6 +10,7 @@ define([
], function ($, _, Backbone, Todos, TodoView, statsTemplate, Common) {
'use strict';
// Our overall **AppView** is the top-level piece of UI.
var AppView = Backbone.View.extend({
// Instead of generating a new element, bind to the existing skeleton of
......
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