Update vendor/backbone.

Former-commit-id: faf9ed71356e1ae8b5c4f65e7084243571cb7d82

vendor/backbone/backbone.js

@@ -1,4 +1,4 @@
-//     Backbone.js 0.9.9
+//     Backbone.js 0.9.10
 
 //     (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
 //     Backbone may be freely distributed under the MIT license.
@@ -34,7 +34,7 @@
   }
 
   // Current version of the library. Keep in sync with `package.json`.
-  Backbone.VERSION = '0.9.9';
+  Backbone.VERSION = '0.9.10';
 
   // Require Underscore, if we're on the server, and it's not already present.
   var _ = root._;
@@ -88,7 +88,7 @@
 
   // Optimized internal dispatch function for triggering events. Tries to
   // keep the usual cases speedy (most Backbone events have 3 arguments).
-  var triggerEvents = function(obj, events, args) {
+  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);
@@ -184,32 +184,33 @@
       if (!eventsApi(this, 'trigger', name, args)) return this;
       var events = this._events[name];
       var allEvents = this._events.all;
-      if (events) triggerEvents(this, events, args);
-      if (allEvents) triggerEvents(this, allEvents, arguments);
+      if (events) triggerEvents(events, args);
+      if (allEvents) triggerEvents(allEvents, arguments);
       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(object, events, callback) {
+    listenTo: function(obj, name, callback) {
       var listeners = this._listeners || (this._listeners = {});
-      var id = object._listenerId || (object._listenerId = _.uniqueId('l'));
-      listeners[id] = object;
-      object.on(events, callback || this, this);
+      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(object, events, callback) {
+    stopListening: function(obj, name, callback) {
       var listeners = this._listeners;
       if (!listeners) return;
-      if (object) {
-        object.off(events, callback, this);
-        if (!events && !callback) delete listeners[object._listenerId];
+      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(null, null, this);
+          listeners[id].off(name, callback, this);
         }
         this._listeners = {};
       }
@@ -465,7 +466,7 @@
 
       // Finish configuring and sending the Ajax request.
       method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
-      if (method == 'patch') options.attrs = attrs;
+      if (method === 'patch') options.attrs = attrs;
       xhr = this.sync(method, this, options);
 
       // Restore attributes.
@@ -532,8 +533,8 @@
     },
 
     // 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 and call the invalid callback, if specified.
     _validate: function(attrs, options) {
       if (!options.validate || !this.validate) return true;
       attrs = _.extend({}, this.attributes, attrs);
@@ -555,7 +556,6 @@
     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));
@@ -590,7 +590,7 @@
       var i, l, model, attrs, existing, doSort, add, at, sort, sortAttr;
       add = [];
       at = options.at;
-      sort = this.comparator && (at == null) && options.sort != false;
+      sort = this.comparator && (at == null) && options.sort !== false;
       sortAttr = _.isString(this.comparator) ? this.comparator : null;
 
       // Turn bare objects into model references, and prevent invalid models
@@ -796,7 +796,7 @@
       for (var i = 0, l = this.models.length; i < l; i++) {
         this._removeReference(this.models[i]);
       }
-      options.previousModels = this.models.slice();
+      options.previousModels = this.models;
       this._reset();
       if (models) this.add(models, _.extend({silent: true}, options));
       if (!options.silent) this.trigger('reset', this, options);
@@ -849,7 +849,7 @@
     // Reset all internal state. Called when the collection is reset.
     _reset: function() {
       this.length = 0;
-      this.models.length = 0;
+      this.models = [];
       this._byId  = {};
     },