Method appendChild

packages/localize-tools/src/formatters/xliff.ts:425–440

* Append childNode to parentNode, try to preserve some * whitespace / indentation for common scenarios.

(
    parentNode: Node,
    childNode: Node,
    level: number,
    indent: Function
  )

   * whitespace / indentation for common scenarios.
   */
  private appendChild(
    parentNode: Node,
    childNode: Node,
    level: number,
    indent: Function
  ) {
    const lastChild = parentNode.lastChild;
    if (lastChild) {
      parentNode.insertBefore(indent(parentNode, level), lastChild);
      parentNode.insertBefore(childNode, lastChild);
    } else {
      parentNode.appendChild(indent(parentNode, level));
      parentNode.appendChild(childNode);
      parentNode.appendChild(indent(parentNode, level - 1));
    }
  }

  private removeChildAndPrecedingText(parentNode: Node, childNode: Node) {
    if (childNode.previousSibling?.nodeType === childNode.TEXT_NODE) {