Commit b0411a67 authored by Sindre Sorhus's avatar Sindre Sorhus

jQuery app - code style

parent ae08e0e2
<!doctype html> <!doctype html>
<html lang="en"> <html lang="en">
<head> <head>
<meta charset="utf-8"> <meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>jQuery • TodoMVC</title> <title>jQuery • TodoMVC</title>
...@@ -9,8 +9,8 @@ ...@@ -9,8 +9,8 @@
<!--[if IE]> <!--[if IE]>
<script src="../../assets/ie.js"></script> <script src="../../assets/ie.js"></script>
<![endif]--> <![endif]-->
</head> </head>
<body> <body>
<section id="todoapp"> <section id="todoapp">
<header id="header"> <header id="header">
<h1>todos</h1> <h1>todos</h1>
...@@ -51,5 +51,5 @@ ...@@ -51,5 +51,5 @@
<script src="../../assets/jquery.min.js"></script> <script src="../../assets/jquery.min.js"></script>
<script src="../../assets/handlebars.min.js"></script> <script src="../../assets/handlebars.min.js"></script>
<script src="js/app.js"></script> <script src="js/app.js"></script>
</body> </body>
</html> </html>
...@@ -3,8 +3,21 @@ jQuery(function ($) { ...@@ -3,8 +3,21 @@ jQuery(function ($) {
'use strict'; 'use strict';
var Utils = { var Utils = {
// https://gist.github.com/1308368 uuid: function () {
uuid: function (a,b){for(b=a='';a++<36;b+=a*51&52?(a^15?8^Math.random()*(a^20?16:4):4).toString(16):'-');return b}, /*jshint bitwise:false */
var i, random;
var uuid = '';
for (i = 0; i < 32; i++) {
random = Math.random() * 16 | 0;
if (i === 8 || i === 12 || i === 16 || i === 20) {
uuid += '-';
}
uuid += (i === 12 ? 4 : (i === 16 ? (random & 3 | 8) : random)).toString(16);
}
return uuid;
},
pluralize: function (count, word) { pluralize: function (count, word) {
return count === 1 ? word : word + 's'; return count === 1 ? word : word + 's';
}, },
...@@ -57,9 +70,9 @@ jQuery(function ($) { ...@@ -57,9 +70,9 @@ jQuery(function ($) {
Utils.store('todos-jquery', this.todos); Utils.store('todos-jquery', this.todos);
}, },
renderFooter: function () { renderFooter: function () {
var todoCount = this.todos.length, var todoCount = this.todos.length;
activeTodoCount = this.activeTodoCount(), var activeTodoCount = this.activeTodoCount();
footer = { var footer = {
activeTodoCount: activeTodoCount, activeTodoCount: activeTodoCount,
activeTodoWord: Utils.pluralize(activeTodoCount, 'item'), activeTodoWord: Utils.pluralize(activeTodoCount, 'item'),
completedTodos: todoCount - activeTodoCount completedTodos: todoCount - activeTodoCount
...@@ -70,34 +83,41 @@ jQuery(function ($) { ...@@ -70,34 +83,41 @@ jQuery(function ($) {
}, },
toggleAll: function () { toggleAll: function () {
var isChecked = $(this).prop('checked'); var isChecked = $(this).prop('checked');
$.each(App.todos, function (i, val) { $.each(App.todos, function (i, val) {
val.completed = isChecked; val.completed = isChecked;
}); });
App.render(); App.render();
}, },
activeTodoCount: function () { activeTodoCount: function () {
var count = 0; var count = 0;
$.each(this.todos, function (i, val) { $.each(this.todos, function (i, val) {
if (!val.completed) { if (!val.completed) {
count++; count++;
} }
}); });
return count; return count;
}, },
destroyCompleted: function () { destroyCompleted: function () {
var todos = App.todos, var todos = App.todos;
l = todos.length; var l = todos.length;
while (l--) { while (l--) {
if (todos[l].completed) { if (todos[l].completed) {
todos.splice(l, 1); todos.splice(l, 1);
} }
} }
App.render(); App.render();
}, },
// Accepts an element from inside the ".item" div and // accepts an element from inside the `.item` div and
// returns the corresponding todo in the todos array // returns the corresponding todo in the todos array
getTodo: function (elem, callback) { getTodo: function (elem, callback) {
var id = $(elem).closest('li').data('id'); var id = $(elem).closest('li').data('id');
$.each(this.todos, function (i, val) { $.each(this.todos, function (i, val) {
if (val.id === id) { if (val.id === id) {
callback.apply(App, arguments); callback.apply(App, arguments);
...@@ -106,16 +126,19 @@ jQuery(function ($) { ...@@ -106,16 +126,19 @@ jQuery(function ($) {
}); });
}, },
create: function (e) { create: function (e) {
var $input = $(this), var $input = $(this);
val = $.trim($input.val()); var val = $.trim($input.val());
if (e.which !== App.ENTER_KEY || !val) { if (e.which !== App.ENTER_KEY || !val) {
return; return;
} }
App.todos.push({ App.todos.push({
id: Utils.uuid(), id: Utils.uuid(),
title: val, title: val,
completed: false completed: false
}); });
$input.val(''); $input.val('');
App.render(); App.render();
}, },
...@@ -129,12 +152,13 @@ jQuery(function ($) { ...@@ -129,12 +152,13 @@ jQuery(function ($) {
$(this).closest('li').addClass('editing').find('.edit').focus(); $(this).closest('li').addClass('editing').find('.edit').focus();
}, },
blurOnEnter: function (e) { blurOnEnter: function (e) {
if (e.keyCode === App.ENTER_KEY) { if (e.which === App.ENTER_KEY) {
e.target.blur(); e.target.blur();
} }
}, },
update: function () { update: function () {
var val = $.trim($(this).removeClass('editing').val()); var val = $.trim($(this).removeClass('editing').val());
App.getTodo(this, function (i) { App.getTodo(this, function (i) {
if (val) { if (val) {
this.todos[i].title = val; this.todos[i].title = val;
...@@ -153,5 +177,4 @@ jQuery(function ($) { ...@@ -153,5 +177,4 @@ jQuery(function ($) {
}; };
App.init(); App.init();
}); });
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