chokidar 监控文件变化

const chokidar = require('chokidar')
const path = require('path')

let pathStr = path.join(__dirname, 'utils')
console.log(pathStr)
chokidar.watch(pathStr, {
  persistent: true,
  ignored: /.js/    // 用正则匹配来筛选
}).on('all', (event, path) => {
  console.log(event, path)
})