ngOnInit(): void {
this.currentDate = new Date();
this.date = this.datePipe.transform(this.currentDate, 'y-MM-dd');
this.currentDate = this.date;
}
The code snippet above is used to retrieve the current date. The task at hand involves subtracting a day from this current date in order to obtain yesterday's date.
To display yesterday's date, utilize the code snippet below.
export class DateComponent implements OnInit{
datePipe = new DatePipe('en');
public today?: Date;
public yesterday?: string | null;
ngOnInit(){
// Testing the 'getYesterday()' method.
console.log(this.getYesterday());
}
getYesterday(){
this.today = new Date();
this.today.setDate(this.today.getDate() - 1);
// Return the formatted date.
return this.yesterday = this.datePipe.transform(this.today, 'dd-MM-y');
}
}
This method increases or decreases the date by a specified number of days in the passed Date object. If a negative value is passed, it will subtract the days instead.
function adjustDateByDays(date: Date, daysToAdd: number): Date {
date.setDate(date.getDate() + daysToAdd);
return date;
}
console.log(adjustDateByDays(new Date(), -1));
Also, it is recommended to avoid using pipes in your components and check out How to format a JavaScript date for detailed information on formatting dates.
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