export class OtPipe implements PipeTransform {

  transform(value: any, arg: any, tag: any): any {
    //  if (arg === '' || arg.length < 2) { return value; }
    if (arg === '') { return value; }
    if (arg === 'All...') { return value; }

    const result = [];
    for (const key of Object.keys(value)) {
      for (const key1 of Object.keys(value[key])) {
        if (key1 === tag) {

          if (value[key][key1].indexOf(arg) > -1) {
            result.push(value[key]);
          }
        }
      }
    }

    return result;
  }