body {

font-family: Arial, sans-serif;

line-height: 1.6;

margin: 2em;

}

h1 {

text-align: center;

}

p {

margin-bottom: 1em;

}

Next.js 14 Server Actions – Complete Guide

Next.js 14 comes with enhanced server actions for GET, POST, and DELETE requests. It also includes error handling, notification, and loader features for a seamless server-side development experience. In this complete guide, we’ll cover how to use these features in your Next.js applications.

GET Requests

To make a GET request in Next.js 14, you can use the fetch API or the axios library to fetch data from a server. Here’s an example using fetch:

  fetch('/api/data')
    .then(response => response.json())
    .then(data => console.log(data))
    .catch(error => console.error('Error:', error));
  

POST Requests

For POST requests, you can use the same fetch API or axios library to send data to the server. Here’s an example using fetch:

  fetch('/api/data', {
    method: 'POST',
    body: JSON.stringify({ name: 'John' }),
    headers: {
      'Content-Type': 'application/json'
    }
  })
    .then(response => response.json())
    .then(data => console.log(data))
    .catch(error => console.error('Error:', error));
  

DELETE Requests

To send a DELETE request, you can also use the fetch API or axios library. Here’s an example using fetch:

  fetch('/api/data/1', {
    method: 'DELETE'
  })
    .then(response => console.log('Deleted'))
    .catch(error => console.error('Error:', error));
  

Error Handling

Next.js 14 provides built-in error handling for server actions. You can use try...catch blocks or .catch() methods to handle errors in your server-side code. Here’s an example using fetch with error handling:

  try {
    const response = await fetch('/api/data');
    const data = await response.json();
    console.log(data);
  } catch (error) {
    console.error('Error:', error);
  }
  

Notification

Next.js 14 also includes a built-in notification system for server actions. You can use this to display success or error messages to the user. Here’s an example using a notification library like react-toastify:

  import { toast } from 'react-toastify';

  // Display success message
  toast.success('Data saved successfully!');

  // Display error message
  toast.error('Error saving data.');
  

Loader

For asynchronous server actions, you can use a loader to indicate to the user that something is happening in the background. Here’s an example using a spinner component:

  import Spinner from 'react-spinner';

  // Display loader while fetching data
  <Spinner />