text: const del = require('del');
  const copyfiles = require('copyfiles');
  
  (async () => {
    await del(['../**', '!../source/**', '!../CNAME', '!../README.md'], { dot: false, force: true })
    copyfiles(['./public/**/*', '../'], { follow: true, up: 1 }, (err) => {
      if (err) console.error(err)
      else console.log('Build successfully!')
    })
  })()
  