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

@Pipe({
  name : 'orderByDate',
  pure : true,
})
export class DateOrderPipe implements PipeTransform {
  transform(
    value: any[],
    sortBy: string,
  ): any {
    if ( value ) {
      return value.sort((
        a,
        b,
      ) => {
        if ( !a[sortBy] ) {
          throw new Error(`Incorrect orderByDate property`);
        }

        const dateA = new Date(a[sortBy]).getTime();
        const dateB = new Date(b[sortBy]).getTime();
        return dateB - dateA;
      });
    }
  }
}