export function formatAreaTree(item, list) {
  if (item.parentId === 0) {
    list.push({
      label: item.areaName,
      id: item.id,
      data: item,
      children: []
    });
  } else {
    let isCurrentChild = false;
    for (let i = 0; i < list.length; i++) {
      const listItem = list[i];
      if (listItem.id === item.parentId) {
        isCurrentChild = true;
        listItem.children.push({
          label: item.areaName,
          id: item.id,
          data: item,
          children: []
        });
      }
    }

    for (let i = 0; i < list.length; i++) {
      const listItem = list[i];
      if (!isCurrentChild && listItem.children !== 0) {
        formatAreaTree(item, listItem.children);
      }
    }
  }
}