노드에서 예약된 작업을 구현하는 방법

import schedule from 'node-schedule';
import updateCode from './controllers/hcpLan/fetch'
 
const app = new Koa();
 
const router = new Router();
 
router.get( '/', (ctx, next) => {
      ctx.body = 'hello'
});
 
app.use(router.routes()).use(router.allowedMethods());
 
 
let rule = new schedule.RecurrenceRule()
/**每天的凌晨12点更新代码*/
rule.hour = 0
rule.minute = 0
rule.second = 0
/**启动任务*/
schedule.scheduleJob(rule, () => {
  updateCode.cloneRepo();
  console.log('代码更新了！');
})
 
app.listen(3000)

*    *    *    *    *    *
┬    ┬    ┬    ┬    ┬    ┬
│    │    │    │    │    |
│    │    │    │    │    └ 一周的星期 (0 - 7) (0 or 7 is Sun)
│    │    │    │    └───── 月份 (1 - 12)
│    │    │    └────────── 月份中的日子 (1 - 31)
│    │    └─────────────── 小时 (0 - 23)
│    └──────────────────── 分钟 (0 - 59)
└───────────────────────── 秒 (0 - 59, OPTIONAL)
 
var schedule = require('node-schedule');
//当分钟为42时，执行一个cron任务
var j = schedule.scheduleJob('42 * * * *', function(){
  console.log('执行了!');
});

var schedule = require('node-schedule');
var date = new Date('2017-09-26 22:00:00');
 
var j = schedule.scheduleJob(date, function(){
  console.log('执行了！');
});

var schedule = require('node-schedule');
 
var rule = new schedule.RecurrenceRule();
rule.minute = 42;
 
var j = schedule.scheduleJob(rule, function(){
  console.log('执行了!');
});