import {Pipe, PipeTransform} from '@angular/core'; /* * Raise the value exponentially * Takes an exponent argument that defaults to 1. * Usage: * value | exponentialStrength:exponent * Example * {{ 2 | exponentialStrength:10}} * formats to: 1024 */ @Pipe({ name: 'undefinedToEmpty' }) export class UndefinedToEmptyPipe implements PipeTransform { transform(value: any, args: any[]): any { if (value == undefined) { return ""; } return value; } }