1 files changed, 144 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/vanillajs/js/store.js b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/vanillajs/js/store.js
new file mode 100644
index 0000000000..7b28ccdfa7
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/vanillajs/js/store.js
@@ -0,0 +1,144 @@
+/*jshint eqeqeq:false */
+(function (window) {
+    'use strict';
+
+    var MemoryStorage = {};
+    var ID = 1;
+
+    /**
+     * Creates a new client side storage object and will create an empty
+     * collection if no collection already exists.
+     *
+     * @param {string} name The name of our DB we want to use
+     * @param {function} callback Our fake DB uses callbacks because in
+     * real life you probably would be making AJAX calls
+     */
+    function Store(name, callback) {
+        callback = callback || function () {};
+
+        this._dbName = name;
+
+        if (!MemoryStorage[name]) {
+            var data = {
+                todos: []
+            };
+
+            MemoryStorage[name] = JSON.stringify(data);
+        }
+
+        callback.call(this, JSON.parse(MemoryStorage[name]));
+    }
+
+    /**
+     * Finds items based on a query given as a JS object
+     *
+     * @param {object} query The query to match against (i.e. {foo: 'bar'})
+     * @param {function} callback     The callback to fire when the query has
+     * completed running
+     *
+     * @example
+     * db.find({foo: 'bar', hello: 'world'}, function (data) {
+     *     // data will return any items that have foo: bar and
+     *     // hello: world in their properties
+     * });
+     */
+    Store.prototype.find = function (query, callback) {
+        if (!callback) {
+            return;
+        }
+
+        var todos = JSON.parse(MemoryStorage[this._dbName]).todos;
+
+        callback.call(this, todos.filter(function (todo) {
+            for (var q in query) {
+                if (query[q] !== todo[q]) {
+                    return false;
+                }
+            }
+            return true;
+        }));
+    };
+
+    /**
+     * Will retrieve all data from the collection
+     *
+     * @param {function} callback The callback to fire upon retrieving data
+     */
+    Store.prototype.findAll = function (callback) {
+        callback = callback || function () {};
+        callback.call(this, JSON.parse(MemoryStorage[this._dbName]).todos);
+    };
+
+    /**
+     * Will save the given data to the DB. If no item exists it will create a new
+     * item, otherwise it'll simply update an existing item's properties
+     *
+     * @param {object} updateData The data to save back into the DB
+     * @param {function} callback The callback to fire after saving
+     * @param {number} id An optional param to enter an ID of an item to update
+     */
+    Store.prototype.save = function (updateData, callback, id) {
+        var data = JSON.parse(MemoryStorage[this._dbName]);
+        var todos = data.todos;
+
+        callback = callback || function () {};
+
+        // If an ID was actually given, find the item and update each property
+        if (id) {
+            for (var i = 0; i < todos.length; i++) {
+                if (todos[i].id === id) {
+                    for (var key in updateData) {
+                        todos[i][key] = updateData[key];
+                    }
+                    break;
+                }
+            }
+
+            MemoryStorage[this._dbName] = JSON.stringify(data);
+            callback.call(this, todos);
+        } else {
+            // Generate an ID
+            updateData.id = ID++;
+
+            todos.push(updateData);
+            MemoryStorage[this._dbName] = JSON.stringify(data);
+            callback.call(this, [updateData]);
+        }
+    };
+
+    /**
+     * Will remove an item from the Store based on its ID
+     *
+     * @param {number} id The ID of the item you want to remove
+     * @param {function} callback The callback to fire after saving
+     */
+    Store.prototype.remove = function (id, callback) {
+        var data = JSON.parse(MemoryStorage[this._dbName]);
+        var todos = data.todos;
+
+        for (var i = 0; i < todos.length; i++) {
+            if (todos[i].id == id) {
+                todos.splice(i, 1);
+                break;
+            }
+        }
+
+        MemoryStorage[this._dbName] = JSON.stringify(data);
+        callback.call(this, todos);
+    };
+
+    /**
+     * Will drop all storage and start fresh
+     *
+     * @param {function} callback The callback to fire after dropping the data
+     */
+    Store.prototype.drop = function (callback) {
+        var data = {todos: []};
+        MemoryStorage[this._dbName] = JSON.stringify(data);
+        callback.call(this, data.todos);
+    };
+
+    // Export to window
+    window.app = window.app || {};
+    window.app.Store = Store;
+})(window);