1 files changed, 153 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/es2015-babel-webpack/src/store.js b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/es2015-babel-webpack/src/store.js
new file mode 100644
index 0000000000..e3b6436360
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/es2015-babel-webpack/src/store.js
@@ -0,0 +1,153 @@
+import {remove} from './helpers'
+import * as localStorageMemory from './memory'
+export default Store
+
+var uniqueID = 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 (!localStorageMemory[name]) {
+    var data = {
+      todos: []
+    }
+
+    localStorageMemory[name] = JSON.stringify(data)
+  }
+
+  callback.call(this, JSON.parse(localStorageMemory[name]))
+  this.subscribers = []
+}
+
+Store.prototype.subscribe = function(subscriber) {
+  this.subscribers.push(subscriber)
+  return () => remove(this.subscribers, subscriber)
+}
+
+Store.prototype._notify = function() {
+  this.subscribers.forEach(s => s())
+}
+
+/**
+* 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(localStorageMemory[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(localStorageMemory[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(localStorageMemory[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) { // eslint-disable-line guard-for-in
+          todos[i][key] = updateData[key]
+        }
+        break
+      }
+    }
+
+    localStorageMemory[this._dbName] = JSON.stringify(data)
+    callback.call(this, JSON.parse(localStorageMemory[this._dbName]).todos)
+  } else {
+    // Generate an ID
+    updateData.id = uniqueID++;
+
+    todos.push(updateData)
+    localStorageMemory[this._dbName] = JSON.stringify(data)
+    callback.call(this, [updateData])
+  }
+  this._notify()
+}
+
+/**
+* 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(localStorageMemory[this._dbName])
+  var todos = data.todos
+
+  for (var i = 0; i < todos.length; i++) {
+    if (todos[i].id === id) {
+      todos.splice(i, 1)
+      break
+    }
+  }
+
+  localStorageMemory[this._dbName] = JSON.stringify(data)
+  callback.call(this, JSON.parse(localStorageMemory[this._dbName]).todos)
+  this._notify()
+}
+
+/**
+* Will drop all storage and start fresh
+*
+* @param {function} callback The callback to fire after dropping the data
+*/
+Store.prototype.drop = function(callback) {
+  localStorageMemory[this._dbName] = JSON.stringify({todos: []})
+  callback.call(this, JSON.parse(localStorageMemory[this._dbName]).todos)
+  this._notify()
+}