Function walk

ts/codediff/html-text-mapper.ts:50–77

(el: Node, fn: (node: Text) => void)

  }

  function walk(el: Node, fn: (node: Text) => void) {
    let node = el.firstChild;
    let oldNode;
    const elsToRemove = [];
    do {
      if (node?.nodeType === 3) {
        fn(node as Text);
      } else if (node?.nodeType === 1 && node.childNodes.length > 0) {
        walk(node, fn);
      }
      if (consumed == 0 && node?.nodeType == 1) {
        elsToRemove.push(node);
      }
    } while ((node = node?.nextSibling ?? null) && count > 0);

    // remove remaining nodes
    while (node) {
      oldNode = node;
      node = node.nextSibling;
      el.removeChild(oldNode);
    }

    for (const el of elsToRemove) {
      if (el.parentNode) {
        el.parentNode.removeChild(el);
      }
    }
  }

  return div.innerHTML;
}