'use strict'; const log4js = require('../lib/log4js'); log4js.configure({ appenders: { file: { type: 'dateFile', filename: 'thing.log', numBackups: 3, pattern: '.mm', }, }, categories: { default: { appenders: ['file'], level: 'debug' }, }, }); const logger = log4js.getLogger('thing'); setInterval(() => { logger.info('just doing the thing'); }, 1000);