Class UndoManager<TAttachedState>

constructor

• new UndoManager<TAttachedState = unknown>(
      options: UndoManagerOptions<TAttachedState>,
  ): UndoManager<TAttachedState>

  Type Parameters

  • TAttachedState = unknown

  Parameters

  • options: UndoManagerOptions<TAttachedState>

  Returns UndoManager<TAttachedState>

clearRedo

clearUndo

ReadonlyrootNode

Readonlystore

canRedo

• get canRedo(): boolean

  Whether redo is possible.

  Returns boolean

canUndo

• get canUndo(): boolean

  Whether undo is possible.

  Returns boolean

isUndoRecordingDisabled

• get isUndoRecordingDisabled(): boolean

  Whether undo recording is currently disabled.

  Returns boolean

maxRedoLevels

• get maxRedoLevels(): number

  Maximum number of redo levels to keep.

  Returns number

maxUndoLevels

• get maxUndoLevels(): number

  Maximum number of undo levels to keep.

  Returns number

redoLevels

• get redoLevels(): number

  Number of redo steps available.

  Returns number

redoQueue

• get redoQueue(): readonly UndoEvent[]

  The redo queue.

  Returns readonly UndoEvent[]

undoLevels

• get undoLevels(): number

  Number of undo steps available.

  Returns number

undoQueue

• get undoQueue(): readonly UndoEvent[]

  The undo queue.

  Returns readonly UndoEvent[]

dispose

• dispose(): void

  Disposes the undo manager, stopping change tracking.

  Returns void

redo

• redo(): void

  Redoes the last undone change.

  Returns void

  Throws

  if called while inside a MobX action

  Throws

  if there are no redo events

undo

• undo(): void

  Undoes the last change.

  Returns void

  Throws

  if called while inside a MobX action

  Throws

  if there are no undo events

withoutUndo

• withoutUndo<T>(fn: () => T): T

  Executes a function without recording changes.

  Type Parameters

  • T

  Parameters

  • fn: () => T

  Returns T