5 import { Pipe, PipeTransform } from '@angular/core';
10 export class NumberFixedLenPipe implements PipeTransform {
11 transform(num: number, len: number): any {
12 let numberInt = Math.floor(num);
13 let length = Math.floor(len);
15 if (num === null || isNaN(numberInt) || isNaN(length)) {
19 let numString = numberInt.toString();
21 while (numString.length < length) {
22 numString = '0' + numString;