如何过滤嵌套对象的PrimeNG表？

<p-table [value]="data">
  <ng-template pTemplate="header">
    <tr>
      <th>名称</th>
      <th>年龄</th>
      <th>地址</th>
    </tr>
    <tr>
      <th>
        <input pInputText type="text" (input)="dt.filter($event.target.value, 'name', 'custom')" placeholder="过滤名称">
      </th>
      <th>
        <input pInputText type="text" (input)="dt.filter($event.target.value, 'age', 'custom')" placeholder="过滤年龄">
      </th>
      <th>
        <input pInputText type="text" (input)="dt.filter($event.target.value, 'address', 'custom')" placeholder="过滤地址">
      </th>
    </tr>
  </ng-template>
  <ng-template pTemplate="body" let-rowData>
    <tr>
      <td>{{rowData.name}}</td>
      <td>{{rowData.age}}</td>
      <td>{{rowData.address}}</td>
    </tr>
  </ng-template>
</p-table>

import { Component } from '@angular/core';

@Component({
  selector: 'app-table',
  templateUrl: './table.component.html',
  styleUrls: ['./table.component.css']
})
export class TableComponent {
  data: any[] = [
    { name: '张三', age: 20, address: '北京市朝阳区' },
    { name: '李四', age: 25, address: '上海市浦东新区' },
    { name: '王五', age: 30, address: '广州市天河区' }
  ];

  customFilter(value: string, field: string, rowData: any): boolean {
    if (field.includes('.')) {
      const nestedFields = field.split('.');
      let nestedValue = rowData;
      for (const nestedField of nestedFields) {
        nestedValue = nestedValue[nestedField];
        if (!nestedValue) {
          return false;
        }
      }
      return nestedValue.toString().toLowerCase().includes(value.toLowerCase());
    } else {
      return rowData[field].toString().toLowerCase().includes(value.toLowerCase());
    }
  }
}

<p-table [value]="data">
  <ng-template pTemplate="header">
    <tr>
      <th>名称</th>
      <th>年龄</th>
      <th>地址</th>
    </tr>
    <tr>
      <th>
        <input pInputText type="text" (input)="dt.filter($event.target.value, 'name', 'custom')" placeholder="过滤名称">
      </th>
      <th>
        <input pInputText type="text" (input)="dt.filter($event.target.value, 'age', 'custom')" placeholder="过滤年龄">
      </th>
      <th>
        <input pInputText type="text" (input)="dt.filter($event.target.value, 'address', 'custom')" placeholder="过滤地址">
      </th>
    </tr>
  </ng-template>
  <ng-template pTemplate="body" let-rowData>
    <tr>
      <td>{{rowData.name}}</td>
      <td>{{rowData.age}}</td>
      <td>{{rowData.address}}</td>
    </tr>
  </ng-template>
</p-table>