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✨ Initial Commit

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Everything is working as it is in the original repo.
This commit is contained in:
Kent C. Dodds 2015-08-10 05:49:58 -06:00
commit 674b1c6db4
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node_modules

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<!doctype html>
<html lang="en" data-framework="javascript">
<head>
<meta charset="utf-8">
<title>VanillaJS • TodoMVC</title>
<link rel="stylesheet" href="node_modules/todomvc-common/base.css">
<link rel="stylesheet" href="node_modules/todomvc-app-css/index.css">
</head>
<body>
<section class="todoapp">
<header class="header">
<h1>todos</h1>
<input class="new-todo" placeholder="What needs to be done?" autofocus>
</header>
<section class="main">
<input class="toggle-all" type="checkbox">
<label for="toggle-all">Mark all as complete</label>
<ul class="todo-list"></ul>
</section>
<footer class="footer">
<span class="todo-count"></span>
<ul class="filters">
<li>
<a href="#/" class="selected">All</a>
</li>
<li>
<a href="#/active">Active</a>
</li>
<li>
<a href="#/completed">Completed</a>
</li>
</ul>
<button class="clear-completed">Clear completed</button>
</footer>
</section>
<footer class="info">
<p>Double-click to edit a todo</p>
<p>Created by <a href="http://twitter.com/oscargodson">Oscar Godson</a></p>
<p>Refactored by <a href="https://github.com/cburgmer">Christoph Burgmer</a></p>
<p>Part of <a href="http://todomvc.com">TodoMVC</a></p>
</footer>
<script src="node_modules/todomvc-common/base.js"></script>
<script src="js/helpers.js"></script>
<script src="js/store.js"></script>
<script src="js/model.js"></script>
<script src="js/template.js"></script>
<script src="js/view.js"></script>
<script src="js/controller.js"></script>
<script src="js/app.js"></script>
</body>
</html>

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/*global app, $on */
(function () {
'use strict';
/**
* Sets up a brand new Todo list.
*
* @param {string} name The name of your new to do list.
*/
function Todo(name) {
this.storage = new app.Store(name);
this.model = new app.Model(this.storage);
this.template = new app.Template();
this.view = new app.View(this.template);
this.controller = new app.Controller(this.model, this.view);
}
var todo = new Todo('todos-vanillajs');
function setView() {
todo.controller.setView(document.location.hash);
}
$on(window, 'load', setView);
$on(window, 'hashchange', setView);
})();

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(function (window) {
'use strict';
/**
* Takes a model and view and acts as the controller between them
*
* @constructor
* @param {object} model The model instance
* @param {object} view The view instance
*/
function Controller(model, view) {
var that = this;
that.model = model;
that.view = view;
that.view.bind('newTodo', function (title) {
that.addItem(title);
});
that.view.bind('itemEdit', function (item) {
that.editItem(item.id);
});
that.view.bind('itemEditDone', function (item) {
that.editItemSave(item.id, item.title);
});
that.view.bind('itemEditCancel', function (item) {
that.editItemCancel(item.id);
});
that.view.bind('itemRemove', function (item) {
that.removeItem(item.id);
});
that.view.bind('itemToggle', function (item) {
that.toggleComplete(item.id, item.completed);
});
that.view.bind('removeCompleted', function () {
that.removeCompletedItems();
});
that.view.bind('toggleAll', function (status) {
that.toggleAll(status.completed);
});
}
/**
* Loads and initialises the view
*
* @param {string} '' | 'active' | 'completed'
*/
Controller.prototype.setView = function (locationHash) {
var route = locationHash.split('/')[1];
var page = route || '';
this._updateFilterState(page);
};
/**
* An event to fire on load. Will get all items and display them in the
* todo-list
*/
Controller.prototype.showAll = function () {
var that = this;
that.model.read(function (data) {
that.view.render('showEntries', data);
});
};
/**
* Renders all active tasks
*/
Controller.prototype.showActive = function () {
var that = this;
that.model.read({ completed: false }, function (data) {
that.view.render('showEntries', data);
});
};
/**
* Renders all completed tasks
*/
Controller.prototype.showCompleted = function () {
var that = this;
that.model.read({ completed: true }, function (data) {
that.view.render('showEntries', data);
});
};
/**
* An event to fire whenever you want to add an item. Simply pass in the event
* object and it'll handle the DOM insertion and saving of the new item.
*/
Controller.prototype.addItem = function (title) {
var that = this;
if (title.trim() === '') {
return;
}
that.model.create(title, function () {
that.view.render('clearNewTodo');
that._filter(true);
});
};
/*
* Triggers the item editing mode.
*/
Controller.prototype.editItem = function (id) {
var that = this;
that.model.read(id, function (data) {
that.view.render('editItem', {id: id, title: data[0].title});
});
};
/*
* Finishes the item editing mode successfully.
*/
Controller.prototype.editItemSave = function (id, title) {
var that = this;
if (title.trim()) {
that.model.update(id, {title: title}, function () {
that.view.render('editItemDone', {id: id, title: title});
});
} else {
that.removeItem(id);
}
};
/*
* Cancels the item editing mode.
*/
Controller.prototype.editItemCancel = function (id) {
var that = this;
that.model.read(id, function (data) {
that.view.render('editItemDone', {id: id, title: data[0].title});
});
};
/**
* By giving it an ID it'll find the DOM element matching that ID,
* remove it from the DOM and also remove it from storage.
*
* @param {number} id The ID of the item to remove from the DOM and
* storage
*/
Controller.prototype.removeItem = function (id) {
var that = this;
that.model.remove(id, function () {
that.view.render('removeItem', id);
});
that._filter();
};
/**
* Will remove all completed items from the DOM and storage.
*/
Controller.prototype.removeCompletedItems = function () {
var that = this;
that.model.read({ completed: true }, function (data) {
data.forEach(function (item) {
that.removeItem(item.id);
});
});
that._filter();
};
/**
* Give it an ID of a model and a checkbox and it will update the item
* in storage based on the checkbox's state.
*
* @param {number} id The ID of the element to complete or uncomplete
* @param {object} checkbox The checkbox to check the state of complete
* or not
* @param {boolean|undefined} silent Prevent re-filtering the todo items
*/
Controller.prototype.toggleComplete = function (id, completed, silent) {
var that = this;
that.model.update(id, { completed: completed }, function () {
that.view.render('elementComplete', {
id: id,
completed: completed
});
});
if (!silent) {
that._filter();
}
};
/**
* Will toggle ALL checkboxes' on/off state and completeness of models.
* Just pass in the event object.
*/
Controller.prototype.toggleAll = function (completed) {
var that = this;
that.model.read({ completed: !completed }, function (data) {
data.forEach(function (item) {
that.toggleComplete(item.id, completed, true);
});
});
that._filter();
};
/**
* Updates the pieces of the page which change depending on the remaining
* number of todos.
*/
Controller.prototype._updateCount = function () {
var that = this;
that.model.getCount(function (todos) {
that.view.render('updateElementCount', todos.active);
that.view.render('clearCompletedButton', {
completed: todos.completed,
visible: todos.completed > 0
});
that.view.render('toggleAll', {checked: todos.completed === todos.total});
that.view.render('contentBlockVisibility', {visible: todos.total > 0});
});
};
/**
* Re-filters the todo items, based on the active route.
* @param {boolean|undefined} force forces a re-painting of todo items.
*/
Controller.prototype._filter = function (force) {
var activeRoute = this._activeRoute.charAt(0).toUpperCase() + this._activeRoute.substr(1);
// Update the elements on the page, which change with each completed todo
this._updateCount();
// If the last active route isn't "All", or we're switching routes, we
// re-create the todo item elements, calling:
// this.show[All|Active|Completed]();
if (force || this._lastActiveRoute !== 'All' || this._lastActiveRoute !== activeRoute) {
this['show' + activeRoute]();
}
this._lastActiveRoute = activeRoute;
};
/**
* Simply updates the filter nav's selected states
*/
Controller.prototype._updateFilterState = function (currentPage) {
// Store a reference to the active route, allowing us to re-filter todo
// items as they are marked complete or incomplete.
this._activeRoute = currentPage;
if (currentPage === '') {
this._activeRoute = 'All';
}
this._filter();
this.view.render('setFilter', currentPage);
};
// Export to window
window.app = window.app || {};
window.app.Controller = Controller;
})(window);

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/*global NodeList */
(function (window) {
'use strict';
// Get element(s) by CSS selector:
window.qs = function (selector, scope) {
return (scope || document).querySelector(selector);
};
window.qsa = function (selector, scope) {
return (scope || document).querySelectorAll(selector);
};
// addEventListener wrapper:
window.$on = function (target, type, callback, useCapture) {
target.addEventListener(type, callback, !!useCapture);
};
// Attach a handler to event for all elements that match the selector,
// now or in the future, based on a root element
window.$delegate = function (target, selector, type, handler) {
function dispatchEvent(event) {
var targetElement = event.target;
var potentialElements = window.qsa(selector, target);
var hasMatch = Array.prototype.indexOf.call(potentialElements, targetElement) >= 0;
if (hasMatch) {
handler.call(targetElement, event);
}
}
// https://developer.mozilla.org/en-US/docs/Web/Events/blur
var useCapture = type === 'blur' || type === 'focus';
window.$on(target, type, dispatchEvent, useCapture);
};
// Find the element's parent with the given tag name:
// $parent(qs('a'), 'div');
window.$parent = function (element, tagName) {
if (!element.parentNode) {
return;
}
if (element.parentNode.tagName.toLowerCase() === tagName.toLowerCase()) {
return element.parentNode;
}
return window.$parent(element.parentNode, tagName);
};
// Allow for looping on nodes by chaining:
// qsa('.foo').forEach(function () {})
NodeList.prototype.forEach = Array.prototype.forEach;
})(window);

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(function (window) {
'use strict';
/**
* Creates a new Model instance and hooks up the storage.
*
* @constructor
* @param {object} storage A reference to the client side storage class
*/
function Model(storage) {
this.storage = storage;
}
/**
* Creates a new todo model
*
* @param {string} [title] The title of the task
* @param {function} [callback] The callback to fire after the model is created
*/
Model.prototype.create = function (title, callback) {
title = title || '';
callback = callback || function () {};
var newItem = {
title: title.trim(),
completed: false
};
this.storage.save(newItem, callback);
};
/**
* Finds and returns a model in storage. If no query is given it'll simply
* return everything. If you pass in a string or number it'll look that up as
* the ID of the model to find. Lastly, you can pass it an object to match
* against.
*
* @param {string|number|object} [query] A query to match models against
* @param {function} [callback] The callback to fire after the model is found
*
* @example
* model.read(1, func); // Will find the model with an ID of 1
* model.read('1'); // Same as above
* //Below will find a model with foo equalling bar and hello equalling world.
* model.read({ foo: 'bar', hello: 'world' });
*/
Model.prototype.read = function (query, callback) {
var queryType = typeof query;
callback = callback || function () {};
if (queryType === 'function') {
callback = query;
return this.storage.findAll(callback);
} else if (queryType === 'string' || queryType === 'number') {
query = parseInt(query, 10);
this.storage.find({ id: query }, callback);
} else {
this.storage.find(query, callback);
}
};
/**
* Updates a model by giving it an ID, data to update, and a callback to fire when
* the update is complete.
*
* @param {number} id The id of the model to update
* @param {object} data The properties to update and their new value
* @param {function} callback The callback to fire when the update is complete.
*/
Model.prototype.update = function (id, data, callback) {
this.storage.save(data, callback, id);
};
/**
* Removes a model from storage
*
* @param {number} id The ID of the model to remove
* @param {function} callback The callback to fire when the removal is complete.
*/
Model.prototype.remove = function (id, callback) {
this.storage.remove(id, callback);
};
/**
* WARNING: Will remove ALL data from storage.
*
* @param {function} callback The callback to fire when the storage is wiped.
*/
Model.prototype.removeAll = function (callback) {
this.storage.drop(callback);
};
/**
* Returns a count of all todos
*/
Model.prototype.getCount = function (callback) {
var todos = {
active: 0,
completed: 0,
total: 0
};
this.storage.findAll(function (data) {
data.forEach(function (todo) {
if (todo.completed) {
todos.completed++;
} else {
todos.active++;
}
todos.total++;
});
callback(todos);
});
};
// Export to window
window.app = window.app || {};
window.app.Model = Model;
})(window);

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/*jshint eqeqeq:false */
(function (window) {
'use strict';
/**
* 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 (!localStorage[name]) {
var data = {
todos: []
};
localStorage[name] = JSON.stringify(data);
}
callback.call(this, JSON.parse(localStorage[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(localStorage[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(localStorage[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(localStorage[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;
}
}
localStorage[this._dbName] = JSON.stringify(data);
callback.call(this, JSON.parse(localStorage[this._dbName]).todos);
} else {
// Generate an ID
updateData.id = new Date().getTime();
todos.push(updateData);
localStorage[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(localStorage[this._dbName]);
var todos = data.todos;
for (var i = 0; i < todos.length; i++) {
if (todos[i].id == id) {
todos.splice(i, 1);
break;
}
}
localStorage[this._dbName] = JSON.stringify(data);
callback.call(this, JSON.parse(localStorage[this._dbName]).todos);
};
/**
* Will drop all storage and start fresh
*
* @param {function} callback The callback to fire after dropping the data
*/
Store.prototype.drop = function (callback) {
localStorage[this._dbName] = JSON.stringify({todos: []});
callback.call(this, JSON.parse(localStorage[this._dbName]).todos);
};
// Export to window
window.app = window.app || {};
window.app.Store = Store;
})(window);

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/*jshint laxbreak:true */
(function (window) {
'use strict';
var htmlEscapes = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
'\'': '&#x27;',
'`': '&#x60;'
};
var escapeHtmlChar = function (chr) {
return htmlEscapes[chr];
};
var reUnescapedHtml = /[&<>"'`]/g,
reHasUnescapedHtml = new RegExp(reUnescapedHtml.source);
var escape = function (string) {
return (string && reHasUnescapedHtml.test(string))
? string.replace(reUnescapedHtml, escapeHtmlChar)
: string;
};
/**
* Sets up defaults for all the Template methods such as a default template
*
* @constructor
*/
function Template() {
this.defaultTemplate
= '<li data-id="{{id}}" class="{{completed}}">'
+ '<div class="view">'
+ '<input class="toggle" type="checkbox" {{checked}}>'
+ '<label>{{title}}</label>'
+ '<button class="destroy"></button>'
+ '</div>'
+ '</li>';
}
/**
* Creates an <li> HTML string and returns it for placement in your app.
*
* NOTE: In real life you should be using a templating engine such as Mustache
* or Handlebars, however, this is a vanilla JS example.
*
* @param {object} data The object containing keys you want to find in the
* template to replace.
* @returns {string} HTML String of an <li> element
*
* @example
* view.show({
* id: 1,
* title: "Hello World",
* completed: 0,
* });
*/
Template.prototype.show = function (data) {
var i, l;
var view = '';
for (i = 0, l = data.length; i < l; i++) {
var template = this.defaultTemplate;
var completed = '';
var checked = '';
if (data[i].completed) {
completed = 'completed';
checked = 'checked';
}
template = template.replace('{{id}}', data[i].id);
template = template.replace('{{title}}', escape(data[i].title));
template = template.replace('{{completed}}', completed);
template = template.replace('{{checked}}', checked);
view = view + template;
}
return view;
};
/**
* Displays a counter of how many to dos are left to complete
*
* @param {number} activeTodos The number of active todos.
* @returns {string} String containing the count
*/
Template.prototype.itemCounter = function (activeTodos) {
var plural = activeTodos === 1 ? '' : 's';
return '<strong>' + activeTodos + '</strong> item' + plural + ' left';
};
/**
* Updates the text within the "Clear completed" button
*
* @param {[type]} completedTodos The number of completed todos.
* @returns {string} String containing the count
*/
Template.prototype.clearCompletedButton = function (completedTodos) {
if (completedTodos > 0) {
return 'Clear completed';
} else {
return '';
}
};
// Export to window
window.app = window.app || {};
window.app.Template = Template;
})(window);

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/*global qs, qsa, $on, $parent, $delegate */
(function (window) {
'use strict';
/**
* View that abstracts away the browser's DOM completely.
* It has two simple entry points:
*
* - bind(eventName, handler)
* Takes a todo application event and registers the handler
* - render(command, parameterObject)
* Renders the given command with the options
*/
function View(template) {
this.template = template;
this.ENTER_KEY = 13;
this.ESCAPE_KEY = 27;
this.$todoList = qs('.todo-list');
this.$todoItemCounter = qs('.todo-count');
this.$clearCompleted = qs('.clear-completed');
this.$main = qs('.main');
this.$footer = qs('.footer');
this.$toggleAll = qs('.toggle-all');
this.$newTodo = qs('.new-todo');
}
View.prototype._removeItem = function (id) {
var elem = qs('[data-id="' + id + '"]');
if (elem) {
this.$todoList.removeChild(elem);
}
};
View.prototype._clearCompletedButton = function (completedCount, visible) {
this.$clearCompleted.innerHTML = this.template.clearCompletedButton(completedCount);
this.$clearCompleted.style.display = visible ? 'block' : 'none';
};
View.prototype._setFilter = function (currentPage) {
qs('.filters .selected').className = '';
qs('.filters [href="#/' + currentPage + '"]').className = 'selected';
};
View.prototype._elementComplete = function (id, completed) {
var listItem = qs('[data-id="' + id + '"]');
if (!listItem) {
return;
}
listItem.className = completed ? 'completed' : '';
// In case it was toggled from an event and not by clicking the checkbox
qs('input', listItem).checked = completed;
};
View.prototype._editItem = function (id, title) {
var listItem = qs('[data-id="' + id + '"]');
if (!listItem) {
return;
}
listItem.className = listItem.className + ' editing';
var input = document.createElement('input');
input.className = 'edit';
listItem.appendChild(input);
input.focus();
input.value = title;
};
View.prototype._editItemDone = function (id, title) {
var listItem = qs('[data-id="' + id + '"]');
if (!listItem) {
return;
}
var input = qs('input.edit', listItem);
listItem.removeChild(input);
listItem.className = listItem.className.replace('editing', '');
qsa('label', listItem).forEach(function (label) {
label.textContent = title;
});
};
View.prototype.render = function (viewCmd, parameter) {
var that = this;
var viewCommands = {
showEntries: function () {
that.$todoList.innerHTML = that.template.show(parameter);
},
removeItem: function () {
that._removeItem(parameter);
},
updateElementCount: function () {
that.$todoItemCounter.innerHTML = that.template.itemCounter(parameter);
},
clearCompletedButton: function () {
that._clearCompletedButton(parameter.completed, parameter.visible);
},
contentBlockVisibility: function () {
that.$main.style.display = that.$footer.style.display = parameter.visible ? 'block' : 'none';
},
toggleAll: function () {
that.$toggleAll.checked = parameter.checked;
},
setFilter: function () {
that._setFilter(parameter);
},
clearNewTodo: function () {
that.$newTodo.value = '';
},
elementComplete: function () {
that._elementComplete(parameter.id, parameter.completed);
},
editItem: function () {
that._editItem(parameter.id, parameter.title);
},
editItemDone: function () {
that._editItemDone(parameter.id, parameter.title);
}
};
viewCommands[viewCmd]();
};
View.prototype._itemId = function (element) {
var li = $parent(element, 'li');
return parseInt(li.dataset.id, 10);
};
View.prototype._bindItemEditDone = function (handler) {
var that = this;
$delegate(that.$todoList, 'li .edit', 'blur', function () {
if (!this.dataset.iscanceled) {
handler({
id: that._itemId(this),
title: this.value
});
}
});
$delegate(that.$todoList, 'li .edit', 'keypress', function (event) {
if (event.keyCode === that.ENTER_KEY) {
// Remove the cursor from the input when you hit enter just like if it
// were a real form
this.blur();
}
});
};
View.prototype._bindItemEditCancel = function (handler) {
var that = this;
$delegate(that.$todoList, 'li .edit', 'keyup', function (event) {
if (event.keyCode === that.ESCAPE_KEY) {
this.dataset.iscanceled = true;
this.blur();
handler({id: that._itemId(this)});
}
});
};
View.prototype.bind = function (event, handler) {
var that = this;
if (event === 'newTodo') {
$on(that.$newTodo, 'change', function () {
handler(that.$newTodo.value);
});
} else if (event === 'removeCompleted') {
$on(that.$clearCompleted, 'click', function () {
handler();
});
} else if (event === 'toggleAll') {
$on(that.$toggleAll, 'click', function () {
handler({completed: this.checked});
});
} else if (event === 'itemEdit') {
$delegate(that.$todoList, 'li label', 'dblclick', function () {
handler({id: that._itemId(this)});
});
} else if (event === 'itemRemove') {
$delegate(that.$todoList, '.destroy', 'click', function () {
handler({id: that._itemId(this)});
});
} else if (event === 'itemToggle') {
$delegate(that.$todoList, '.toggle', 'click', function () {
handler({
id: that._itemId(this),
completed: this.checked
});
});
} else if (event === 'itemEditDone') {
that._bindItemEditDone(handler);
} else if (event === 'itemEditCancel') {
that._bindItemEditCancel(handler);
}
};
// Export to window
window.app = window.app || {};
window.app.View = View;
}(window));

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// Karma configuration
// Generated on Mon Aug 10 2015 05:47:13 GMT-0600 (MDT)
module.exports = function(config) {
config.set({
// base path that will be used to resolve all patterns (eg. files, exclude)
basePath: '',
// frameworks to use
// available frameworks: https://npmjs.org/browse/keyword/karma-adapter
frameworks: ['jasmine'],
// list of files / patterns to load in the browser
files: [
'test/**/*Spec.js',
'js/helpers.js',
'js/view.js',
'js/controller.js'
],
// list of files to exclude
exclude: [
],
// preprocess matching files before serving them to the browser
// available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
preprocessors: {
},
// test results reporter to use
// possible values: 'dots', 'progress'
// available reporters: https://npmjs.org/browse/keyword/karma-reporter
reporters: ['progress'],
// web server port
port: 9876,
// enable / disable colors in the output (reporters and logs)
colors: true,
// level of logging
// possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
logLevel: config.LOG_INFO,
// enable / disable watching file and executing tests whenever any file changes
autoWatch: true,
// start these browsers
// available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
browsers: ['Chrome'],
// Continuous Integration mode
// if true, Karma captures browsers, runs the tests and exits
singleRun: false
});
};

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{
"private": true,
"dependencies": {
"todomvc-common": "1.0.2",
"todomvc-app-css": "2.0.1"
},
"devDependencies": {
"jasmine-core": "2.3.4"
}
}

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# Vanilla JavaScript TodoMVC Example
**This particular example has been migrated to utilize ES6**
This is part of [an ES6 training](bit.ly/es6-intro-slides) by [Kent C. Dodds](https://twitter.com/kentcdodds)
> JavaScript® (often shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB.
> _[JavaScript - developer.mozilla.org](http://developer.mozilla.org/en-US/docs/JavaScript)

406
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/*global app, jasmine, describe, it, beforeEach, expect */
describe('controller', function () {
'use strict';
var subject, model, view;
var setUpModel = function (todos) {
model.read.and.callFake(function (query, callback) {
callback = callback || query;
callback(todos);
});
model.getCount.and.callFake(function (callback) {
var todoCounts = {
active: todos.filter(function (todo) {
return !todo.completed;
}).length,
completed: todos.filter(function (todo) {
return !!todo.completed;
}).length,
total: todos.length
};
callback(todoCounts);
});
model.remove.and.callFake(function (id, callback) {
callback();
});
model.create.and.callFake(function (title, callback) {
callback();
});
model.update.and.callFake(function (id, updateData, callback) {
callback();
});
};
var createViewStub = function () {
var eventRegistry = {};
return {
render: jasmine.createSpy('render'),
bind: function (event, handler) {
eventRegistry[event] = handler;
},
trigger: function (event, parameter) {
eventRegistry[event](parameter);
}
};
};
beforeEach(function () {
model = jasmine.createSpyObj('model', ['read', 'getCount', 'remove', 'create', 'update']);
view = createViewStub();
subject = new app.Controller(model, view);
});
it('should show entries on start-up', function () {
setUpModel([]);
subject.setView('');
expect(view.render).toHaveBeenCalledWith('showEntries', []);
});
describe('routing', function () {
it('should show all entries without a route', function () {
var todo = {title: 'my todo'};
setUpModel([todo]);
subject.setView('');
expect(view.render).toHaveBeenCalledWith('showEntries', [todo]);
});
it('should show all entries without "all" route', function () {
var todo = {title: 'my todo'};
setUpModel([todo]);
subject.setView('#/');
expect(view.render).toHaveBeenCalledWith('showEntries', [todo]);
});
it('should show active entries', function () {
var todo = {title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('#/active');
expect(model.read).toHaveBeenCalledWith({completed: false}, jasmine.any(Function));
expect(view.render).toHaveBeenCalledWith('showEntries', [todo]);
});
it('should show completed entries', function () {
var todo = {title: 'my todo', completed: true};
setUpModel([todo]);
subject.setView('#/completed');
expect(model.read).toHaveBeenCalledWith({completed: true}, jasmine.any(Function));
expect(view.render).toHaveBeenCalledWith('showEntries', [todo]);
});
});
it('should show the content block when todos exists', function () {
setUpModel([{title: 'my todo', completed: true}]);
subject.setView('');
expect(view.render).toHaveBeenCalledWith('contentBlockVisibility', {
visible: true
});
});
it('should hide the content block when no todos exists', function () {
setUpModel([]);
subject.setView('');
expect(view.render).toHaveBeenCalledWith('contentBlockVisibility', {
visible: false
});
});
it('should check the toggle all button, if all todos are completed', function () {
setUpModel([{title: 'my todo', completed: true}]);
subject.setView('');
expect(view.render).toHaveBeenCalledWith('toggleAll', {
checked: true
});
});
it('should set the "clear completed" button', function () {
var todo = {id: 42, title: 'my todo', completed: true};
setUpModel([todo]);
subject.setView('');
expect(view.render).toHaveBeenCalledWith('clearCompletedButton', {
completed: 1,
visible: true
});
});
it('should highlight "All" filter by default', function () {
setUpModel([]);
subject.setView('');
expect(view.render).toHaveBeenCalledWith('setFilter', '');
});
it('should highlight "Active" filter when switching to active view', function () {
setUpModel([]);
subject.setView('#/active');
expect(view.render).toHaveBeenCalledWith('setFilter', 'active');
});
describe('toggle all', function () {
it('should toggle all todos to completed', function () {
var todos = [{
id: 42,
title: 'my todo',
completed: false
}, {
id: 21,
title: 'another todo',
completed: false
}];
setUpModel(todos);
subject.setView('');
view.trigger('toggleAll', {completed: true});
expect(model.update).toHaveBeenCalledWith(42, {completed: true}, jasmine.any(Function));
expect(model.update).toHaveBeenCalledWith(21, {completed: true}, jasmine.any(Function));
});
it('should update the view', function () {
var todos = [{
id: 42,
title: 'my todo',
completed: true
}];
setUpModel(todos);
subject.setView('');
view.trigger('toggleAll', {completed: false});
expect(view.render).toHaveBeenCalledWith('elementComplete', {id : 42, completed : false});
});
});
describe('new todo', function () {
it('should add a new todo to the model', function () {
setUpModel([]);
subject.setView('');
view.trigger('newTodo', 'a new todo');
expect(model.create).toHaveBeenCalledWith('a new todo', jasmine.any(Function));
});
it('should add a new todo to the view', function () {
setUpModel([]);
subject.setView('');
view.render.calls.reset();
model.read.calls.reset();
model.read.and.callFake(function (callback) {
callback([{
title: 'a new todo',
completed: false
}]);
});
view.trigger('newTodo', 'a new todo');
expect(model.read).toHaveBeenCalled();
expect(view.render).toHaveBeenCalledWith('showEntries', [{
title: 'a new todo',
completed: false
}]);
});
it('should clear the input field when a new todo is added', function () {
setUpModel([]);
subject.setView('');
view.trigger('newTodo', 'a new todo');
expect(view.render).toHaveBeenCalledWith('clearNewTodo');
});
});
describe('element removal', function () {
it('should remove an entry from the model', function () {
var todo = {id: 42, title: 'my todo', completed: true};
setUpModel([todo]);
subject.setView('');
view.trigger('itemRemove', {id: 42});
expect(model.remove).toHaveBeenCalledWith(42, jasmine.any(Function));
});
it('should remove an entry from the view', function () {
var todo = {id: 42, title: 'my todo', completed: true};
setUpModel([todo]);
subject.setView('');
view.trigger('itemRemove', {id: 42});
expect(view.render).toHaveBeenCalledWith('removeItem', 42);
});
it('should update the element count', function () {
var todo = {id: 42, title: 'my todo', completed: true};
setUpModel([todo]);
subject.setView('');
view.trigger('itemRemove', {id: 42});
expect(view.render).toHaveBeenCalledWith('updateElementCount', 0);
});
});
describe('remove completed', function () {
it('should remove a completed entry from the model', function () {
var todo = {id: 42, title: 'my todo', completed: true};
setUpModel([todo]);
subject.setView('');
view.trigger('removeCompleted');
expect(model.read).toHaveBeenCalledWith({completed: true}, jasmine.any(Function));
expect(model.remove).toHaveBeenCalledWith(42, jasmine.any(Function));
});
it('should remove a completed entry from the view', function () {
var todo = {id: 42, title: 'my todo', completed: true};
setUpModel([todo]);
subject.setView('');
view.trigger('removeCompleted');
expect(view.render).toHaveBeenCalledWith('removeItem', 42);
});
});
describe('element complete toggle', function () {
it('should update the model', function () {
var todo = {id: 21, title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('');
view.trigger('itemToggle', {id: 21, completed: true});
expect(model.update).toHaveBeenCalledWith(21, {completed: true}, jasmine.any(Function));
});
it('should update the view', function () {
var todo = {id: 42, title: 'my todo', completed: true};
setUpModel([todo]);
subject.setView('');
view.trigger('itemToggle', {id: 42, completed: false});
expect(view.render).toHaveBeenCalledWith('elementComplete', {id: 42, completed: false});
});
});
describe('edit item', function () {
it('should switch to edit mode', function () {
var todo = {id: 21, title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('');
view.trigger('itemEdit', {id: 21});
expect(view.render).toHaveBeenCalledWith('editItem', {id: 21, title: 'my todo'});
});
it('should leave edit mode on done', function () {
var todo = {id: 21, title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('');
view.trigger('itemEditDone', {id: 21, title: 'new title'});
expect(view.render).toHaveBeenCalledWith('editItemDone', {id: 21, title: 'new title'});
});
it('should persist the changes on done', function () {
var todo = {id: 21, title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('');
view.trigger('itemEditDone', {id: 21, title: 'new title'});
expect(model.update).toHaveBeenCalledWith(21, {title: 'new title'}, jasmine.any(Function));
});
it('should remove the element from the model when persisting an empty title', function () {
var todo = {id: 21, title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('');
view.trigger('itemEditDone', {id: 21, title: ''});
expect(model.remove).toHaveBeenCalledWith(21, jasmine.any(Function));
});
it('should remove the element from the view when persisting an empty title', function () {
var todo = {id: 21, title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('');
view.trigger('itemEditDone', {id: 21, title: ''});
expect(view.render).toHaveBeenCalledWith('removeItem', 21);
});
it('should leave edit mode on cancel', function () {
var todo = {id: 21, title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('');
view.trigger('itemEditCancel', {id: 21});
expect(view.render).toHaveBeenCalledWith('editItemDone', {id: 21, title: 'my todo'});
});
it('should not persist the changes on cancel', function () {
var todo = {id: 21, title: 'my todo', completed: false};
setUpModel([todo]);
subject.setView('');
view.trigger('itemEditCancel', {id: 21});
expect(model.update).not.toHaveBeenCalled();
});
});
});