ng2-bootstrap-base-modified/demo/src/app/components/+accordion/demos/one-at-a-time/one-at-a-time.ts

Native Angular Bootstrap Components Typeahead modified

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

@Component({
  selector: 'demo-accordion-one-time',
  templateUrl: './one-at-a-time.html'
})
export class DemoAccordionOneAtATimeComponent {
  public oneAtATime: boolean = true;

}