Effortlessly Fetch and Cache Data in React with the useQuery Hook

Introduction to the useQuery hook

If you are familiar with the popular library react-query, then you may already be aware of the useQuery hook. useQuery is a hook that allows you to easily fetch and manage data in your React application.

One of the key benefits of useQuery is that it allows you to declaratively specify the data that you need in your component, rather than having to manually fetch the data yourself. This makes it much easier to reason about your component's data dependencies, and it helps to keep your code clean and maintainable.

How to use the useQuery hook

Using the useQuery hook is simple. First, you need to import the hook from react-query. Then, you can call the hook in your component and pass it an options object that specifies the data that you want to fetch.

Here is an example of how you might use the useQuery hook to fetch data from an API:

import { useQuery } from 'react-query';

function MyComponent() {
  const { data, error, isLoading } = useQuery(
    ['todos', { status: 'completed' }],
    () => fetch('/api/todos?status=completed').then(res => res.json())
  );

  if (isLoading) {
    return <p>Loading...</p>;
  }

  if (error) {…