@gechiui/dom/build-module/dom/compute-caret-rect.js

DOM utilities module for GeChiUI.

/**
 * Internal dependencies
 */
import getRectangleFromRange from './get-rectangle-from-range';
import { assertIsDefined } from '../utils/assert-is-defined';
/**
 * Get the rectangle for the selection in a container.
 *
 * @param {Window} win The window of the selection.
 *
 * @return {DOMRect | null} The rectangle.
 */

export default function computeCaretRect(win) {
  const selection = win.getSelection();
  assertIsDefined(selection, 'selection');
  const range = selection.rangeCount ? selection.getRangeAt(0) : null;

  if (!range) {
    return null;
  }

  return getRectangleFromRange(range);
}
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