ionic5search

import { HttpClient } from '@angular/common/http';

import { Injectable } from '@angular/core';

/*

  Generated class for the DataProvider provider.

  See https://angular.io/guide/dependency-injection for more info on providers

  and Angular DI.

*/

@Injectable({

  providedIn: 'root'

})

export class DataService{

  items:{firstname:any,lastname:any}[]=[];

    constructor(public http: HttpClient) {

    console.log('Hello DataProvider Provider');

  }  

  getplist(list:any){  

    list.map(data=>{

      this.items.push(data);

    });

  }

  filterItems(searchTerm) {  

    console.log(searchTerm)

    return this.items.filter((item) => {

    return item.firstname?item.firstname.toLowerCase().indexOf(searchTerm.toLowerCase()) > -1:'';

   

  });

  }

}