/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */
export function getDOMRangeRect(nativeSelection: Selection, rootElement: HTMLElement): DOMRect {
  const domRange = nativeSelection.getRangeAt(0)

  let rect

  if (nativeSelection.anchorNode === rootElement) {
    let inner = rootElement
    while (inner.firstElementChild != null) {
      inner = inner.firstElementChild as HTMLElement
    }
    rect = inner.getBoundingClientRect()
  } else {
    rect = domRange.getBoundingClientRect()
  }

  return rect
}