Book Image

Getting Started with React

By : Doel Sengupta, Manu Singhal, Danillo Corvalan
Book Image

Getting Started with React

By: Doel Sengupta, Manu Singhal, Danillo Corvalan

Overview of this book

ReactJS, popularly known as the V (view) of the MVC architecture, was developed by the Facebook and Instagram developers. It follows a unidirectional data flow, virtual DOM, and DOM difference that are generously leveraged in order to increase the performance of the UI. Getting Started with React will help you implement the Reactive paradigm to build stateless and asynchronous apps with React. We will begin with an overview of ReactJS and its evolution over the years, followed by building a simple React component. We will then build the same react component with JSX syntax to demystify its usage. You will see how to configure the Facebook Graph API, get your likes list, and render it using React. Following this, we will break the UI into components and you’ll learn how to establish communication between them and respond to users input/events in order to have the UI reflect their state. You’ll also get to grips with the ES6 syntaxes. Moving ahead, we will delve into the FLUX and its architecture, which is used to build client-side web applications and complements React’s composable view components by utilizing a unidirectional data flow. Towards the end, you’ll find out how to make your components reusable, and test and deploy them into a production environment. Finally, we’ll briefly touch on other topics such as React on the server side, Redux and some advanced concepts.
Table of Contents (18 chapters)
Getting Started with React
About the Authors
About the Reviewers


Actions are typically the data that enters into an application, either directly from the View or from an external Web API. Each action is nothing but a JavaScript method, which contains two parts: the actionType and the actual data. The actionCreators methods are simply discrete, semantic helper functions that facilitate passing data to the dispatcher in the form of an action. The different types of actions are declared as a JavaScript object, in a file named App-Constants.js. According to the Flux app hierarchy, the App-Contstants.js file resides under src/js/constants. Typical example for such a file looks like the following:

module.exports = {
        ADD_BOOK: 'ADD_BOOK',

Here, ADD_BOOK, DELETE_BOOK are the actions.


Actions, by itself, do not contain any functionality of their own. Actions are typically executed by the stores and are available in order to...