Jacob Fletcher f868ed981b fix(next): clear bfcache on forward/back (#13913)
Fixes #12914.

Using the forward/back browser navigation shows stale data from the
previous visit.

For example:
1. Visit the list view, imagine a document with a title of "123"
2. Navigate to that document, update the title to "456"
3. Press the "back" button in the browser
4. Page incorrectly shows "123"
5. Press the "forward" button in the browser
6. Page incorrectly shows "123"

This is because Next.js caches those pages in memory in their
[Client-side Router
Cache](https://nextjs.org/docs/app/guides/caching#client-side-router-cache).
This enables instant loads during forward and back navigation by
restoring the previously cached response instead of making a new
request—which also happens to be our exact problem. This bfcache-like
behavior is not able to be opted out of, even if the page requires
authentication, etc.

The [hopefully temporary] fix is to force the router to make a new
request on forward/back navigation. We can do this by listening to the
popstate event and calling `router.refresh()`. This does create a flash
of stale content, however, because the refresh takes place _after_ the
cache was restored. While not wonderful, this is targeted to
specifically the forward/back events, and it's technically not
duplicative as the restored cache never made a request in the first
place.

Without native support, I'm not sure how else we'd achieve this, as
there's not way to invalidate the list view from a deeply nested
document drawer, for example.

Before:


https://github.com/user-attachments/assets/751b33b2-1926-47d2-acba-b1d47df06a6d

After:


https://github.com/user-attachments/assets/fe71938a-5c64-4756-a2c7-45dced4fcaaa

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Payload headless CMS Admin panel built with React

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Important

🎉 We've released 3.0! Star this repo or keep an eye on it to follow along.

Payload is the first-ever Next.js native CMS that can install directly in your existing /app folder. It's the start of a new era for headless CMS.

Benefits over a regular CMS

  • Deploy anywhere, including serverless on Vercel for free
  • Combine your front+backend in the same /app folder if you want
  • Don't sign up for yet another SaaS - Payload is open source
  • Query your database in React Server Components
  • Both admin and backend are 100% extensible
  • No vendor lock-in
  • Never touch ancient WP code again
  • Build faster, never hit a roadblock

Quickstart

Before beginning to work with Payload, make sure you have all of the required software.

pnpx create-payload-app@latest

If you're new to Payload, you should start with the website template (pnpx create-payload-app@latest -t website). It shows how to do everything - including custom Rich Text blocks, on-demand revalidation, live preview, and more. It comes with a frontend built with Tailwind all in one /app folder.

One-click templates

Jumpstart your next project by starting with a pre-made template. These are production-ready, end-to-end solutions designed to get you to market as fast as possible.

🌐 Website

Build any kind of website, blog, or portfolio from small to enterprise. Comes with a fully functional front-end built with RSCs and Tailwind.

We're constantly adding more templates to our Templates Directory. If you maintain your own template, consider adding the payload-template topic to your GitHub repository for others to find.

Features

Request Feature

🗒️ Documentation

Check out the Payload website to find in-depth documentation for everything that Payload offers.

Migrating from v2 to v3? Check out the 3.0 Migration Guide on how to do it.

🙋 Contributing

If you want to add contributions to this repository, please follow the instructions in contributing.md.

📚 Examples

The Examples Directory is a great resource for learning how to setup Payload in a variety of different ways, but you can also find great examples in our blog and throughout our social media.

If you'd like to run the examples, you can use create-payload-app to create a project from one:

npx create-payload-app --example example_name

You can see more examples at:

🔌 Plugins

Payload is highly extensible and allows you to install or distribute plugins that add or remove functionality. There are both officially-supported and community-supported plugins available. If you maintain your own plugin, consider adding the payload-plugin topic to your GitHub repository for others to find.

🚨 Need help?

There are lots of good conversations and resources in our Github Discussions board and our Discord Server. If you're struggling with something, chances are, someone's already solved what you're up against. 👇

Like what we're doing? Give us a star

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👏 Thanks to all our contributors

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