Измените значение textNode

const data = [
  { id: 1, children: [{ id: 2, children: [] }] },
  {
    id: 2,
    children: [
      {
        id: 1,
        children: [],
      },
    ],
  },
  {
    id: 3,
    children: [],
  },
  {
    id: 4,
    children: [
      {
        id: 2,
        children: [
          {
            id: 2,
            children: [
              {
                id: 1,
                children: [],
              },
              {
                id: 2,
                children: [],
              },
            ],
          },
        ],
      },
    ],
  },
];

function removeBy(data, predicate) {
  return data.reduce((result, item) => {
    if (!predicate(item.id)) {
      const newItem = { ...item };
      if (item.children.length > 0) {
        newItem.children = removeBy(item.children, predicate);
      }
      result.push(newItem);
    }
    return result;
  }, []);
}

const predicate = value => value === 1;
const result = removeBy(data, predicate);

console.log(result);