@atlaskit/editor-plugin-show-diff/dist/esm/pm-plugins/decorations/utils/findSafeInsertPos.js

ShowDiff plugin for @atlaskit/editor-core

import { canInsert } from '@atlaskit/editor-prosemirror/utils';

/**
 * Find a safe position to insert a deletion slice at the given position.
 * @param doc
 * @param pos
 * @param slice
 * @returns
 */
export function findSafeInsertPos(doc, pos, slice) {
  if (pos > doc.content.size) {
    return doc.content.size;
  }
  var $pos = doc.resolve(pos);
  while (!canInsert($pos, slice.content) && ((_slice$content$firstC = slice.content.firstChild) === null || _slice$content$firstC === void 0 ? void 0 : _slice$content$firstC.type.name) !== 'paragraph') {
    var _slice$content$firstC;
    if ($pos.pos + 1 > doc.content.size) {
      break;
    }
    $pos = doc.resolve($pos.pos + 1);
  }
  return $pos.pos;
}