@marciocamello/react-sortable-tree/src/utils/generic-utils.ts

Drag-and-drop sortable component for nested data and hierarchies

export const slideRows = (
  rows: any[],
  fromIndex: number,
  toIndex: number,
  count = 1
) => {
  const rowsWithoutMoved = [
    ...rows.slice(0, fromIndex),
    ...rows.slice(fromIndex + count),
  ]

  return [
    ...rowsWithoutMoved.slice(0, toIndex),
    ...rows.slice(fromIndex, fromIndex + count),
    ...rowsWithoutMoved.slice(toIndex),
  ]
}