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 fra

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