import { Pipe, PipeTransform, OnInit } from '@angular/core'; import { BasicDataService } from '../../pages/basic-data-service'; @Pipe({ name: 'terminalArea' }) export class TerminalAreaPipe implements PipeTransform { constructor( private basicDataService: BasicDataService ) { } transform(value: any, args?: any): any { let terminal_area = this.basicDataService.terminal_area.find(val => val.terminalAreaCode === value) if (terminal_area) { return terminal_area.terminalAreaName } else { return null; } } }