/*
 * https://github.com/morethanwords/tweb
 * Copyright (C) 2019-2021 Eduard Kuzmenko
 * https://github.com/morethanwords/tweb/blob/master/LICENSE
 */

export default function setCaretAt(node: Node) {
  // node.appendChild(document.createTextNode(''));

  const originalNode = node;
  node = node.previousSibling;

  if(node.nodeType === 1) {
    const newNode = document.createTextNode('');
    node.parentNode.insertBefore(newNode, !originalNode.nextSibling || originalNode.nextSibling.nodeType === node.nodeType ? originalNode : originalNode.nextSibling);
    node = newNode;
  }

  if(window.getSelection && document.createRange) {
    const range = document.createRange();
    if(node) {
      range.setStartAfter(node);
      range.insertNode(node);
      range.setStart(node, node.nodeValue.length);
    }

    range.collapse(true);

    const sel = window.getSelection();
    sel.removeAllRanges();
    sel.addRange(range);
  }
}