countConvertToKLC.pipe.ts

import { Pipe } from '@angular/core';
import { DecimalPipe } from '@angular/common';

@Pipe({
  name: 'countConvert'
})
export class ThousandPipe extends DecimalPipe {
  transform(value: number): any {
    if (499 > value) {
      return super.transform((value || 0), '1.0-0');
    } else if (499 < value && 100000 > value){
      return super.transform(((value || 0) / 1000), '1.0-2') + ' K';
    } else if (100000 < value && 10000000 > value){
      return super.transform(((value || 0) / 100000), '1.0-2') + ' L';
    } else if (10000000 < value && 1000000000 > value){
      return super.transform(((value || 0) / 10000000), '1.0-2') + ' C';
    }
  }
}