How to detect change in the url hash in next.js?
How to detect change in the url hash in next.js?
1 answer
by
lily ,
6 months ago
@jasen_gottlieb
You can detect changes in the URL hash by using the useEffect hook in a Next.js component. Here's an example:
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import { useEffect } from 'react';
import { useRouter } from 'next/router';
const MyComponent = () => {
const router = useRouter();
useEffect(() => {
const handleHashChange = () => {
// Do something when the hash in the URL changes
console.log('Hash changed:', window.location.hash);
};
// Add an event listener to listen for hash changes
window.addEventListener('hashchange', handleHashChange);
return () => {
// Clean up by removing the event listener
window.removeEventListener('hashchange', handleHashChange);
};
}, []);
return <div>This is my component</div>;
};
export default MyComponent;
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In this example, the useEffect hook is used to add an event listener for the 'hashchange' event on the window object. When the hash in the URL changes, the handleHashChange function is called, which logs the new hash value to the console.
Remember to clean up by removing the event listener when the component is unmounted, to prevent memory leaks.
You can then use this technique to detect changes in the URL hash in your Next.js application and perform any necessary actions based on those changes.
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