Comment by efortis

Undo. I use it in UI Drafter for handling Undo.

For example, I create a revision of a store (a deep clone) and apply the undo frames one-by-one.

Each undo frame has the setter name and its arguments. IOW, the frames contain what changed, such as:

    [
      [BASE.setCard, 'some-id', CF.title, 'The New Title'],
      …more frames
    ]

Here's a post with more details

https://blog.uidrafter.com/architecture-of-a-desktop-alike-s...