@hello-pangea/dnd/src/state/get-frame.ts

Beautiful and accessible drag and drop for lists with React

import { invariant } from '../invariant';

import type { DroppableDimension, Scrollable } from '../types';

export default (droppable: DroppableDimension): Scrollable => {
  const frame: Scrollable | null = droppable.frame;
  invariant(frame, 'Expected Droppable to have a frame');
  return frame;
};