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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Angular + Unidirectional data flow (Redux)</title>
<meta name="description" content="A framework for easily creating beautiful presentations using HTML">
<meta name="author" content="Hakim El Hattab">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/black.css" id="theme">
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<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
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<style>
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width: 100%;
}
.reveal pre code {
max-height: 550px;
}
</style>
</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section>
<h1>Angular + Unidirectional data flow (Redux)</h1>
<p>
<small>Created by <a href="mailto:[email protected]">Krzysztof Kotlarski</a><br><a href="mailto:[email protected]">[email protected]</a></small>
</p>
</section>
<section>
<h2>Unidirectional data flow</h2>
<img src="assets/flux.jpeg" alt="" />
</section>
<section>
<h2>Redux</h2>
<ul>
<li>store is single source of truth</li>
<li>store can change only in response to emited actions</li>
<li>store can be changed only by pure functions</li>
</ul>
</section>
<section>
<h2>Redux action</h2>
<pre><code data-trim>
const ADD_TODO = 'ADD_TODO'
{
type: ADD_TODO,
text: 'Build my first Redux app'
}
function addTodo(text) {
return {
type: ADD_TODO,
text
}
}
</code></pre>
</section>
<section>
<h2>Redux reducer</h2>
<pre><code data-trim>
function todoApp(state = initialState, action) {
switch (action.type) {
case ADD_TODO:
return Object.assign({}, state, {
todos: [
...state.todos,
{
text: action.text,
completed: false
}
]
})
default:
return state
}
}
</code></pre>
</section>
<section>
<h2>Redux store</h2>
<pre><code data-trim>
let store = createStore(todoApp)
store.dispatch(addTodo('Learn about actions'))
store.dispatch(addTodo('Learn about reducers'))
store.dispatch(addTodo('Learn about store'))
</code></pre>
</section>
<section>
<section>
<h2>ng-Redux</h2>
<pre><code data-trim>
angular.module('app', [ngRedux])
.config(($ngReduxProvider) => {
$ngReduxProvider.createStoreWith(todoApp);
});
class TodoController {
constructor($ngRedux, $scope) {
let unsubscribe = $ngRedux.connect(this.mapStateToThis, TodoActions)(this);
$scope.$on('$destroy', unsubscribe);
}
mapStateToThis(state) {
return {
value: state.todos
};
}
}
</code></pre>
</section>
<section>
<h2>ng-Redux</h2>
<pre><code data-trim>
<div>
<input ng-model="todoText" type="text" />
<button ng-click="todo.addTodo(todoText)">Add</button>
<ul>
<li ng-repeat="item in todo.todos">{item.text}</li>
</ul>
</div>
</code></pre>
</section>
</section>
<section>
<section>
<h2>Pros and cons</h2>
<p>+ structure for complex workflows<br>
+ possible performance boost<br>
+ easy to track data changes<br>
<br>
- feature redundance<br>
- more code to write<br>
- two way data binding becomes an issue</p>
</section>
</section>
<section>
<h1>Q&A</h1>
<p>Thank you</p>
</section>
</div>
</div>
<script src="lib/js/head.min.js"></script>
<script src="js/reveal.js"></script>
<script>
// Full list of configuration options available at:
// https://github.com/hakimel/reveal.js#configuration
Reveal.initialize({
controls: true,
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center: true,
transition: 'slide', // none/fade/slide/convex/concave/zoom
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</body>
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