如何将ngbDatepicker日期格式从JSON改为YYYY/MM/DD

<input type="text" [(ngModel)]="selectedDate" ngbDatepicker #dp="ngbDatepicker">

import { Component, Pipe, PipeTransform } from '@angular/core';

@Pipe({ name: 'datePipe' })
export class DatePipe implements PipeTransform {
  transform(value: any): any {
    if (value) {
      const date = new Date(value.year, value.month - 1, value.day);
      const formattedDate = `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`;
      return formattedDate;
    }
    return '';
  }
}

@Component({
  selector: 'app',
  template: `
    <input type="text" [(ngModel)]="selectedDate" ngbDatepicker #dp="ngbDatepicker">
    <p>Formatted Date: {{ selectedDate | datePipe }}</p>
  `
})
export class AppComponent {
  selectedDate: any;
}

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';

import { AppComponent, DatePipe } from './app.component';

@NgModule({
  imports: [BrowserModule],
  declarations: [AppComponent, DatePipe],
  bootstrap: [AppComponent]
})
export class AppModule { }