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Memento Pattern (@xndrjs/memento)

Memento pattern implementation for undo/redo functionality.

Installation​

npm install @xndrjs/memento

Overview​

The @xndrjs/memento package provides:

  • MementoBaseCaretaker - Basic undo/redo implementation
  • MementoDiffCaretaker - Optimized implementation using diffs

Key Concepts​

  • Originator - Object whose state needs to be saved
  • Memento - Snapshot of the originator's state
  • Caretaker - Manages the history of mementos

Next Steps​