text pip帮助

Posted 2021-05-03

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

import { radio } from '../classes/radio';

@Pipe({ name: 'searchRadio' })
export class SearchRadioPipe implements PipeTransform {
  transform(allRadios: radio[] , name :string , location:string) {
    let result ;
    let final ;
    let respat = RegExp(".","g"); // match any thing
    if(name.length != 0){
      respat = RegExp("^.*"+name+".*$","gi");
      result =  allRadios.filter(radio => radio.name.search(respat)!=-1);
    }
    else{
      result =  allRadios;
    }

    // location search from result and not from arg
    if(location.length != 0){
      let locreg = RegExp("^.*"+location+".*$","gi");
      final = result.filter(radio => radio.location.search(locreg)!=-1);
    }
    else{
      final = result ;
    }
    return final;
  }
}