使用array.filter向下多个级别

const data = [
  {
    id: 1,
    name: 'A',
    children: [
      {
        id: 2,
        name: 'B',
        children: [
          {
            id: 3,
            name: 'C',
            children: []
          },
          {
            id: 4,
            name: 'D',
            children: []
          }
        ]
      },
      {
        id: 5,
        name: 'E',
        children: []
      }
    ]
  },
  {
    id: 6,
    name: 'F',
    children: [
      {
        id: 7,
        name: 'G',
        children: []
      }
    ]
  }
];

// 使用array.filter向下多个级别筛选数据
const filteredData = data.filter(item => {
  // 筛选条件：name包含字母'C'的元素
  return item.name.includes('C') || item.children.some(child => child.name.includes('C'));
});

console.log(filteredData);