Interface HistoryStore

context/historyStore.ts:42–80

});

interface HistoryStore {
  current: CanvasState;

  past: CanvasState[];
  future: CanvasState[];

  maxHistorySize: number;

  setFreeDrawingLines: (lines: FreeDrawingLineWithProps[]) => void;
  addFreeDrawingLine: (line: FreeDrawingLineWithProps) => void;
  updateLastFreeDrawingLine: (
    updater: (line: FreeDrawingLineWithProps) => FreeDrawingLineWithProps
  ) => void;

  setLines: (lines: LineShapeWithProps[]) => void;
  addLine: (line: LineShapeWithProps) => void;
  updateLine: (id: string, updates: Partial<LineShapeWithProps>) => void;

  setRectangles: (rectangles: RectangleShapeWithProps[]) => void;
  addRectangle: (rectangle: RectangleShapeWithProps) => void;
  updateRectangle: (
    id: string,
    updates: Partial<RectangleShapeWithProps>
  ) => void;

  setEllipses: (ellipses: EllipseShapeWithProps[]) => void;
  addEllipse: (ellipse: EllipseShapeWithProps) => void;
  updateEllipse: (id: string, updates: Partial<EllipseShapeWithProps>) => void;

  setArrows: (arrows: ArrowShapeWithProps[]) => void;
  addArrow: (arrow: ArrowShapeWithProps) => void;
  updateArrow: (id: string, updates: Partial<ArrowShapeWithProps>) => void;

  saveToHistory: () => void;
  undo: () => void;
  redo: () => void;
  canUndo: () => boolean;
  canRedo: () => boolean;
}

const useHistoryStore = create<HistoryStore>((set, get) => ({
  current: createEmptyState(),