Optimize data fetching with the new `cache` function in NextJs

NextJs has introduced a new `cache` function that allows you to optimize data fetching in your application. This new feature can help improve performance and reduce unnecessary calls to APIs, resulting in a faster and smoother user experience. Let’s take a look at how you can utilize the `cache` function in your NextJs project.

What is the `cache` function?

The `cache` function in NextJs allows you to store the results of data fetching functions so that they can be reused across different parts of your application. This means that if you make the same API call multiple times, the data will only be fetched once and then stored in the cache for future use. This can help reduce the number of API calls and improve the overall performance of your application.

How to use the `cache` function

Using the `cache` function in NextJs is simple and straightforward. Here’s an example of how you can implement it in your project:

“`javascript
import { cache } from ‘nextjs-cache’;

const fetchData = async () => {
const response = await fetch(‘https://api.example.com/data’);
const data = await response.json();
return data;
};

const getData = cache(fetchData);

// Call the getData function whenever you need to fetch data
const myData = getData();
“`

In this example, we first define a function called `fetchData` that makes an API call to retrieve data. We then use the `cache` function to create a new function called `getData` that will fetch the data and store it in the cache. Whenever we need to fetch the data, we can simply call the `getData` function.

Benefits of using the `cache` function

There are several benefits to using the `cache` function in NextJs:

• Improved performance: By storing data in the cache, you can reduce the number of API calls and improve the overall performance of your application.
• Reduced network traffic: Since data is stored in the cache, you can avoid making unnecessary API calls and reduce network traffic.
• Consistent data: By reusing data from the cache, you can ensure that your application always displays the most up-to-date information.

Overall, the `cache` function in NextJs is a powerful tool that can help you optimize data fetching in your application. By using the cache function, you can improve performance, reduce network traffic, and ensure that your application always displays the most current data.