I am trying to set value during initializing form using primeng datepick calender but not working.I am working in angular 8.I have created custom datepicker component using primeng.I have given my code below.How to set date range value that?Anyone can have idea?please help to find the solution.

app.component.html:

app.component.ts:

datesRangeFilter:Date;

 ngOnInit(){

  let yesterday = ( d => new Date(d.setDate(d.getDate()-1)) )(new Date);

  this.datesRangeFilter=yesterday +'-'+new Date;

 }