Backbone: Update jQuery, localStorage plugin

examples/backbone/bower.json

@@ -3,8 +3,8 @@
   "version": "0.0.0",
   "dependencies": {
     "backbone": "~1.1.1",
-    "underscore": "~1.6.0",
-    "jquery": "~2.0.0",
+    "underscore": "~1.7.0",
+    "jquery": "~2.1.0",
     "todomvc-common": "~0.3.0",
     "backbone.localStorage": "~1.1.0"
   }

examples/backbone/bower_components/backbone.localStorage/backbone.localStorage.js

 /**
  * Backbone localStorage Adapter
- * Version 1.1.7
+ * Version 1.1.14
  *
  * https://github.com/jeromegn/Backbone.localStorage
  */
 (function (root, factory) {
   if (typeof exports === 'object' && typeof require === 'function') {
-     module.exports = factory(require("underscore"), require("backbone"));
+    module.exports = factory(require("backbone"));
   } else if (typeof define === "function" && define.amd) {
     // AMD. Register as an anonymous module.
-      define(["underscore","backbone"], function(_, Backbone) {
+    define(["backbone"], function(Backbone) {
       // Use global variables if the locals are undefined.
-        return factory(_ || root._, Backbone || root.Backbone);
+      return factory(Backbone || root.Backbone);
     });
   } else {
-      // RequireJS isn't being used. Assume underscore and backbone are loaded in <script> tags
-      factory(_, Backbone);
+    factory(Backbone);
   }
-}(this, function(_, Backbone) {
+}(this, function(Backbone) {
 // A simple module to replace `Backbone.sync` with *localStorage*-based
 // persistence. Models are given GUIDS, and saved into a JSON object. Simple
 // as that.
 
-// Hold reference to Underscore.js and Backbone.js in the closure in order
-// to make things work even if they are removed from the global namespace
-
 // Generate four random hex digits.
 function S4() {
    return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
@@ -35,19 +31,49 @@ function guid() {
    return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
 };
 
+function isObject(item) {
+  return item === Object(item);
+}
+
+function contains(array, item) {
+  var i = array.length;
+  while (i--) if (array[i] === item) return true;
+  return false;
+}
+
+function extend(obj, props) {
+  for (var key in props) obj[key] = props[key]
+  return obj;
+}
+
+function result(object, property) {
+    if (object == null) return void 0;
+    var value = object[property];
+    return (typeof value === 'function') ? object[property]() : value;
+}
+
 // Our Store is represented by a single JS object in *localStorage*. Create it
 // 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) {
+Backbone.LocalStorage = window.Store = function(name, serializer) {
   if( !this.localStorage ) {
     throw "Backbone.localStorage: Environment does not support localStorage."
   }
   this.name = name;
+  this.serializer = serializer || {
+    serialize: function(item) {
+      return isObject(item) ? JSON.stringify(item) : item;
+    },
+    // fix for "illegal access" error on Android when JSON.parse is passed null
+    deserialize: function (data) {
+      return data && JSON.parse(data);
+    }
+  };
   var store = this.localStorage().getItem(this.name);
   this.records = (store && store.split(",")) || [];
 };
 
-_.extend(Backbone.LocalStorage.prototype, {
+extend(Backbone.LocalStorage.prototype, {
 
   // Save the current state of the **Store** to *localStorage*.
   save: function() {
@@ -57,11 +83,11 @@ _.extend(Backbone.LocalStorage.prototype, {
   // Add a model, giving it a (hopefully)-unique GUID, if it doesn't already
   // have an id of it's own.
   create: function(model) {
-    if (!model.id) {
+    if (!model.id && model.id !== 0) {
       model.id = guid();
       model.set(model.idAttribute, model.id);
     }
-    this.localStorage().setItem(this.name+"-"+model.id, JSON.stringify(model));
+    this.localStorage().setItem(this._itemName(model.id), this.serializer.serialize(model));
     this.records.push(model.id.toString());
     this.save();
     return this.find(model);
@@ -69,36 +95,40 @@ _.extend(Backbone.LocalStorage.prototype, {
 
   // Update a model by replacing its copy in `this.data`.
   update: function(model) {
-    this.localStorage().setItem(this.name+"-"+model.id, JSON.stringify(model));
-    if (!_.include(this.records, model.id.toString()))
-      this.records.push(model.id.toString()); this.save();
+    this.localStorage().setItem(this._itemName(model.id), this.serializer.serialize(model));
+    var modelId = model.id.toString();
+    if (!contains(this.records, modelId)) {
+      this.records.push(modelId);
+      this.save();
+    }
     return this.find(model);
   },
 
   // Retrieve a model from `this.data` by id.
   find: function(model) {
-    return this.jsonData(this.localStorage().getItem(this.name+"-"+model.id));
+    return this.serializer.deserialize(this.localStorage().getItem(this._itemName(model.id)));
   },
 
   // Return the array of all models currently in storage.
   findAll: function() {
-    // 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)
-      .compact()
-      .value();
+    var result = [];
+    for (var i = 0, id, data; i < this.records.length; i++) {
+      id = this.records[i];
+      data = this.serializer.deserialize(this.localStorage().getItem(this._itemName(id)));
+      if (data != null) result.push(data);
+    }
+    return result;
   },
 
   // Delete a model from `this.data`, returning it.
   destroy: function(model) {
-    if (model.isNew())
-      return false
-    this.localStorage().removeItem(this.name+"-"+model.id);
-    this.records = _.reject(this.records, function(id){
-      return id === model.id.toString();
-    });
+    this.localStorage().removeItem(this._itemName(model.id));
+    var modelId = model.id.toString();
+    for (var i = 0, id; i < this.records.length; i++) {
+      if (this.records[i] === modelId) {
+        this.records.splice(i, 1);
+      }
+    }
     this.save();
     return model;
   },
@@ -107,11 +137,6 @@ _.extend(Backbone.LocalStorage.prototype, {
     return localStorage;
   },
 
-  // 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(),
@@ -120,11 +145,12 @@ _.extend(Backbone.LocalStorage.prototype, {
     // 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); });
+    for (var k in local) {
+      if (itemRe.test(k)) {
+        local.removeItem(k);
+      }
+    }
 
     this.records.length = 0;
   },
@@ -132,6 +158,10 @@ _.extend(Backbone.LocalStorage.prototype, {
   // Size of localStorage.
   _storageSize: function() {
     return this.localStorage().length;
+  },
+
+  _itemName: function(id) {
+    return this.name+"-"+id;
   }
 
 });
@@ -140,9 +170,13 @@ _.extend(Backbone.LocalStorage.prototype, {
 // *localStorage* property, which should be an instance of `Store`.
 // 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 store = result(model, 'localStorage') || result(model.collection, 'localStorage');
 
-  var resp, errorMessage, syncDfd = Backbone.$.Deferred && Backbone.$.Deferred(); //If $ is having Deferred - use it.
+  var resp, errorMessage;
+  //If $ is having Deferred - use it.
+  var syncDfd = Backbone.$ ?
+    (Backbone.$.Deferred && Backbone.$.Deferred()) :
+    (Backbone.Deferred && Backbone.Deferred());
 
   try {
 

examples/backbone/index.html

@@ -49,7 +49,7 @@
 			<% } %>
 		</script>
 		<script src="bower_components/todomvc-common/base.js"></script>
-		<script src="bower_components/jquery/jquery.js"></script>
+		<script src="bower_components/jquery/dist/jquery.js"></script>
 		<script src="bower_components/underscore/underscore.js"></script>
 		<script src="bower_components/backbone/backbone.js"></script>
 		<script src="bower_components/backbone.localStorage/backbone.localStorage.js"></script>