js 对象数组根据对象的key，进行筛选，合并？

//原始数据
/**
  请你写一段代码
  将原始数据「filterList」与「selectedOptions」结合
  根据selectedOptions为true的项，产生与期望结果相符的结果
*/

const filterList = [
  {
    Code: "1",
    Id: "1",
    List: [
      { Code: '00', Name: '通用' }, { Code: '21', Name: '15秋' }, { Code: '22', Name: '15冬' },
      { Code: '23', Name: '16春' }, { Code: '24', Name: '16夏' }, { Code: '25', Name: '16秋' },
      { Code: '26', Name: '16冬' }, { Code: '27', Name: '17春' }, { Code: '28', Name: '17夏' },
      { Code: '29', Name: '17秋' }, { Code: '30', Name: '17冬' }, { Code: '31', Name: '18春' },
      { Code: '32', Name: '18夏' }, { Code: '33', Name: '18秋' }, { Code: '34', Name: '18冬' },
      { Code: '35', Name: '19春' }, { Code: '36', Name: '19夏' }, { Code: '37', Name: '19秋' },
      { Code: '38', Name: '19冬' }, { Code: '40', Name: '20夏' }, { Code: '41', Name: '20秋' },
      { Code: '45', Name: '20冬' }, { Code: '46', Name: '21秋' }, { Code: '47', Name: '21冬' },
      { Code: '48', Name: '21春' }, { Code: '49', Name: '21夏' }, { Code: '50', Name: '22春' },
      { Code: '51', Name: '22夏' }, { Code: '52', Name: '22冬' }, { Code: '53', Name: '22秋' },
      { Code: '54', Name: '2022春' }, { Code: '55', Name: '22秋冬' }
    ],
    ListType: "Base",
    Mode: "alone",
    Name: "销售季节",
    Type: "",
    inputType: "text",
  },
  {
    Code: "2",
    Id: "2",
    List: [
      { Code: 'DA', Name: '订货会订单' }, { Code: 'DH', Name: '期货订单' }, { Code: 'XS', Name: '档口订单' }
    ],
    ListType: "Base",
    Mode: "alone",
    Name: "单据类型",
    Type: "",
    inputType: "text",
  },
  {
    Code: "3",
    Id: "3",
    List: [
      { Code: '0', Name: '未审核' }, { Code: '1', Name: '已审核' }, { Code: '2', Name: '部分发' },
      { Code: '3', Name: '已发完' }, { Code: '4', Name: '已完成' }, { Code: '5', Name: '已作废' }
    ],
    ListType: "Base",
    Mode: "alone",
    Name: "单据状态",
    Type: "",
    inputType: "text",
  },
  {
    Code: "4",
    Id: "4",
    List: [
      { Code: '0', Name: 'OEM' }, { Code: '1', Name: 'TOB' }, { Code: '2', Name: '档口' },
      { Code: '3', Name: '订货会' }
    ],
    ListType: "Base",
    Mode: "alone",
    Name: "单据来源",
    Type: "",
    inputType: "text",
  },
  {
    Code: "5",
    Id: "5",
    List: [
      { Code: '01', Name: '订货' }, { Code: '02', Name: '订货买断' }, { Code: '03', Name: '订货追单' }
    ],
    ListType: "Base",
    Mode: "alone",
    Name: "订货类型",
    Type: "",
    inputType: "text",
  },
];

const selectedOptions = {
  "1_00": true,
  "1_49": false,
  "2_DH": true,
  "2_XS": true,
  "3_1": true,
  "4_1": true,
};

//期望结果
const expectedResult = [
  {
    Code: "1",
    ListType: "Base",
    Name: "销售季节",
    Type: "",
    Val: [
      { code: '00', val: '通用' }
    ],
    inputType: "text"
  },
  {
    Code: "2",
    ListType: "Base",
    Name: "单据类型",
    Type: "",
    Val: [
      { code: 'DH', val: '期货订单' },
      { code: 'XS', val: '档口订单' }
    ],
    inputType: "text"
  },
  {
    Code: "3",
    ListType: "Base",
    Name: "单据状态",
    Type: "",
    Val: [
      { code: '1', val: '已审核' }
    ],
    inputType: "text"
  },
  {
    Code: "4",
    ListType: "Base",
    Name: "单据来源",
    Type: "",
    Val: [
      { code: 'TOB', val: 'TOB' }
    ],
    inputType: "text"
  }
];