import {Pipe, PipeTransform} from '@angular/core'; import * as _ from 'lodash'; @Pipe({ name: 'time' }) export class TimePipe implements PipeTransform { transform(value: any, args?: any): any { let ret = '00:00'; if (_.isNumber(value) && value > 0) { const minutes = Math.floor(value / 60); const seconds = Math.floor(value % 60); ret = _.padStart(minutes, 2, '0') + ':' + _.padStart(seconds, 2, '0'); } return ret; } }