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Ordered Join Field Demo

This is a demo of how to use the join field, but have it leverage an array-like UI in the Payload admin panel. Now, all "joined" documents are instantly editable without using drawers, and you can even control the order via the array UI.

How it works:

  1. We use an array field as a virtual field to benefit from its UI
  2. This array field is populated via an afterRead hook, using data from the join field
  3. In a beforeChange hook, we "sync" any changes made to the joined in posts. If there are differences, the post will automatically be updated.

Check out the Categories collection to see more.

Gotchas

  1. We need a defaultLimit property for our join field, (or paginate: false) so you can get more than 10 docs at once in the join field response. ETA Tues Oct 29, 2024
  2. If you delete a row from the UI, we don't handle the deletion of the joined doc. Could be messy. Might rather disable the Remove UI from the virtual array field