如何在ngx-bootstrap datepicker中设置自定义日期

import { Component } from '@angular/core';
import { BsDatepickerConfig } from 'ngx-bootstrap/datepicker';

@Component({
  selector: 'app-datepicker',
  templateUrl: './datepicker.component.html',
  styleUrls: ['./datepicker.component.css']
})
export class DatepickerComponent {
  public datepickerConfig: Partial<BsDatepickerConfig>;
  
  constructor() {
    this.datepickerConfig = Object.assign({}, { containerClass: 'theme-dark-blue' });
  }
}

<input type="text" class="form-control" bsDatepicker [bsConfig]="datepickerConfig">

constructor() {
  this.datepickerConfig = Object.assign({}, { containerClass: 'theme-dark-blue', dateCustomClasses: [
    { date: new Date(2022, 0, 1), classes: ['custom-date-class'] },
    { date: new Date(2022, 0, 15), classes: ['custom-date-class'] }
  ] });
}

.custom-date-class {
  background-color: yellow;
  color: red;
}