React Redux CRUD Actions Tutorial

In this tutorial, we will cover how to perform CRUD (Create, Read, Update, Delete) actions using React JS and Redux, and communicate with a JSON-SERVER API to fetch and store data.

What is React Redux?

React Redux is a library used to manage the state of a React application. It provides a predictable way to manage the state of an application, making it easier to maintain and test. Redux is often used with React to handle the state management of larger applications.

Getting Started

Before we start, make sure you have Node.js installed on your machine. You can check this by running node -v in your terminal. If Node.js is not installed, you can download it from the official website.

Next, we need to install Create-React-App, a tool that allows us to quickly set up a new React project. You can install Create-React-App by running npm install -g create-react-app in your terminal.

Now that we have the necessary tools installed, let’s create a new React project using Create-React-App by running create-react-app react-redux-crud in your terminal.

Setting up JSON-SERVER API

In order to simulate a backend API, we will use JSON-SERVER. JSON-SERVER is a tool that allows us to create a fake REST API with a simple JSON file. To install JSON-SERVER globally, run npm install -g json-server in your terminal.

Next, create a new file called db.json in the root of your project with the following content:

      
        {
          "posts": [
            { "id": 1, "title": "Post 1", "body": "This is the first post" },
            { "id": 2, "title": "Post 2", "body": "This is the second post" }
          ]
        }
      
    

Now, start the JSON-SERVER by running json-server --watch db.json --port 3001 in your terminal. This will create a fake REST API at http://localhost:3001 with the data from the db.json file.

Creating Redux Actions

Now that we have our backend API set up, let’s create some Redux actions to perform CRUD operations on the posts data. First, we need to install Redux and React-Redux by running npm install redux react-redux in your terminal.

Next, we need to create our Redux store, actions, and reducers. I won’t go into too much detail on how to do this, as it is beyond the scope of this tutorial. However, you can find a complete example of how to set up Redux in a React application in the official Redux documentation.

Once we have our Redux store set up, we can create actions to fetch, add, update, and delete posts from the JSON-SERVER API. These actions will dispatch requests to the API and update the Redux store with the returned data.

Displaying Data in React Components

Finally, we can create React components to display the data fetched from the JSON-SERVER API. We can use Redux to connect our components to the Redux store and fetch the posts data using the actions we created.

Once we have our components set up, we can use them to perform CRUD operations on the posts data, and see the changes reflected in the JSON-SERVER API.

Conclusion

In this tutorial, we covered how to perform CRUD actions using React JS and Redux, and communicate with a JSON-SERVER API to fetch and store data. We saw how to set up Redux actions to interact with the API, and how to display the data in React components.

By combining React, Redux, and JSON-SERVER, we can create powerful and dynamic web applications with a predictable state management system and a flexible backend API. I hope this tutorial has been helpful in getting you started with React Redux CRUD actions!